Papers & Proceedings

2025
S. Fuji, Y. Isoda, X. Lingling, M. Haruta, T. Majima, Y. Shimakawa, and D. Kan
"Correlation between structural properties and electrochemical proton insertion in (001) VO2 epitaxial films"
App. Phys. Exp., , (2025). DOI: 10.35848/1882-0786/adc8f9

W. -T. Chen, T. Nishikubo, Y. Sakai, H. Das, M. Fukuda, Z. Pan, N. Ishimatsu, M. Mizumaki, N. Kawamura, S. I Kawaguchi, O. Smirnova, M. G Tucker, T. Watanuki, A. Machida, S. Takajo, Y. Uwatoko, Y. Shimakawa, M. Takano, M. Azuma, and J. . Attfield
"Pressure-induced charge amorphisation in BiNiO3"
NAture Communs, 16,2128/1-7 (2025). DOI: 10.1038/s41467-025-57247-1

M. Goto, K. Sato, W.-T. Chen, W.-H. Huang, and Y. Shimakawa
"Robust Unusually High Valence Fe5+ State and Large Magnetic Interaction Change in the Double Perovskites La2-xCaxLiFeO6-0.5x"
Chem. Mater., 37, 2008-2013 (2025). DOI: 10.1021/acs.chemmater.4c03494

Y. Shen, K. Ooe, K. Shitara, S. Kobayashi, T. Yoshimura, T. Yamada, L. Xie, Y. Shimakawa, and D. Kan
"Ultrathin freestanding membranes of ZrO2 with metastable structures and strain-dependent electrical properties"
Phys. Rev. Mater., 9, 024411/1-9 (2025). DOI: 10.1103/PhysRevMaterials.9.024411

L. Xie, Y. Isoda, S. Nakamizo, Y. Shen, S. Fuji, T. Majima, Y. Shimakawa, and D. Kan
"Effect of substrate-induced compressive strain on protonation of SrCoO2.5 epitaxial films"
Jap. J. Appl. Phys., 64, 025501/1-5(2025). DOI: 10.35848/1347-4065/adaab7

Y. Isoda; T. N. Pham, R. Aso, S. Nakamizo, T. Majima, S. Hosokawa, K. Nitta, Y. Morikawa, Y. Shimakawa, and D. Kan
"Stabilization of oxygen vacancy ordering and electrochemical-proton-insertion-and-extraction-induced large resistance modulation in strontium iron cobalt oxides Sr(Fe,Co)Oy"
Nature Communs., 16,56/1-9 (2025). DOI: 10.1038/s41467-024-55517-y


2024
J. K. Bidika, S. Mandal, Y. Shimakawa, K. Pradhan, and B. R. K. Nanda
"Tunable magnetism in spin-half A-site ordered perovskites: CaCu3B4O12"
Phys. Rev. B, 110,16516/1-10 (2024). DOI: 10.1103/PhysRevB.110.165161

L. Xie, Y. Isoda, S. Nakamizo, T. Majima, S. Hosokawa, K. Nitta, Y. Shimakawa, and D. Kan
"Impact of Interfacial Proton Accumulation on Protonation in a Brownmillerite Oxide"
Adv. Func. Mater., 34, 2410084/1-7 (2024). DOI: 10.1002/adfm.202410084

Y. Shen, K. Ooe, X. Yuan, T. Yamada, S. Kobayashi, M. Haruta, D. Kan, and Y. Shimakawa
"Ferroelectric freestanding hafnia membranes with metastable rhombohedral structure down to 1-nm-thick"
Nature Communs, 15, 4789/1-9 (2024). DOI: 10.1038/s41467-024-49055-w

M. Iihoshi, M. Goto, and Y. Shimakawa (Published as part of Chemistry of Materials virtual special issue "C. N. R. Rao at 90")
"Stabilities of Charge Disproportionated States by Successive Charge Transitions of Mixed and Unusually High Valence Fe3.5+ in LnBaFe2O6 (Ln = Pr, Sm)"
Chem. Mater., 36,6047-6052 (2024). DOI: 10.1021/acs.chemmater.4c00578

X. M. de Irujo-Labalde, M. Goto, E. Urones-Garrote, U. Amador, C. Ritter, M. Amano-Patino, Y. Shimakawa, and S. Garcia-Martin (Published as part of Chemistry of Materials virtual special issue "C. N. R. Rao at 90")
"Charge Evolution in the Y0.9Ba1.7Ca2.4Fe5O14.7 Layered Perovskite"
Chem. Mater., 36,5184-5191 (2024). DOI: 10.1021/acs.chemmater.4c00552

R. Watanabe, M. Goto, Y. Kosugi, D. Kan, and Y. Shimakawa
"Oxygen Release and Incorporation Behaviors in BaFeO3 Polymorphs with Unusually High-Valence Fe4+"
Chem. Mater., 36,5184-5191 (2024). DOI: 10.1021/acs.chemmater.3c03236

A. Masuno, S. Munakata, Y. Okamoto, T. Yaji, Y. Kosugi, and Y. Shimakawa
"Crystal-Like Atomic Arrangement and Optical Properties of 25La2O3-75MoO3 Binary Glasses Composed of Isolated MoO42-"
Inorg. Chem., 63,5701-5708 (2024). DOI: 10.1021/acs.inorgchem.4c00176

S.D. Injac, B.G. Mullens, F.D. Romero, M. Avdeev, C. Barnett, A. KL Yuen, M. Amano Patino, S. Mukherjee, G. Vaitheeswaran, D.J. Singh, B.J. Kennedy, Y. Shimakawa (Back cover art picture)
"Characterisation of Pb2Rh2O7 and Y2Rh2O7: an unusual case of pyrochlore stabilisation under high pressure, high temperature synthesis conditions"
J. Mater. Chem. C, 12,9,3077-3089 (2024). DOI: 10.1039/D3TC04389D

L. Xie, Y. Isoda, T. Majima, Y. Shen, D. Kan, and Y. Shimakawa
"Orientation-dependent electrochemical response of LaSrNiO4 epitaxial films"
J. Solid State Electrochem., 28, 4519-4525 (2024). DOI: 10.1007/s10008-023-05759-5


2023
Y. Shen, M. Haruta, L. I-Ching, L. Xie, D. Kan, and Y. Shimakawa
"Stabilization of ferroelectric Hf0.5Zr0.5O2 epitaxial films via monolayer reconstruction driven by valence-dependent interfacial redox reaction and intralayer electron transfer"
Phys. Rev. Mater., 7, 114405/1-8 (2023). DOI: 10.1103/PhysRevMaterials.7.114405

K. Iwai, Y. Mizuhata, T. Nakamura, M. Goto, A. Wakamiya, Y. Shimakawa, and N. Tokitoh
"Solid‐state Chromism of Zwitterionic Triarylmethylium Salts"
Eur. J. Inorg. Chem., 26, e202300337 (2023). DOI: 10.1002/ejic.202300337

H. Narita, J. Ishizuka, D. Kan, Y. Shimakawa, Y. Yanase, and T. Ono
"Magnetization Control of Zero-Field Intrinsic Superconducting Diode Effect"
Adv. Mater., 35, 2304083/1-7 (2023). DOI: 10.1002/adma.202304083

L. I-Ching, M. Haruta, T. Nemoto,M. Goto, Y. Shimakawa, and H. Kurata
"Extraction of Anisotropic Thermal Vibration Factors for Oxygen from the Ti L2,3-Edge in SrTiO3"
J. Phys. Chem. C., 127, 17802-17808 (2023). DOI: 10.1021/acs.jpcc.3c02035

Y. Shimakawa (Invited review article for The 77th CerSJ Awards for Academic Achievements in Ceramic Science and Technology)
"Novel functional properties of charge-transition oxides synthesized under high pressure"
J. Ceram. Soc, Jpn., 131, 771-776 (2023). DOI: 10.2109/jcersj2.23115

M. M. Kurian, Z. Tan, Y. Shimakawa, and P. N. Santhosh
"Probing Griffiths phase like behavior and exchange bias phenomena in 6H Ba3Co0.5Mn0.5Ru2O9 by B-site doping"
J. Appl. Phys., 134, 043901/1-10 (2023). DOI: 10.1063/5.0156433

M. Goto, M. Okazaki, Y. Shimakawa,
"Structural and Magnetic Properties of the B-Site-Ordered Double Perovskites Ln2NiTiO6 (Ln = La, Pr, and Nd) "
Bull. Chem. Soc. Jpn, 96,11 1269-1273 (2023). DOI: 10.1246/bcsj.20230154

M. A. Truong, T. Funasaki, L. Ueberricke, W. Nojo, R. Murdey, T. Yamada, S. Hu, A. Akatsuka, N. Sekiguchi, S. Hira, L. Xie, T. Nakamura, N. Shioya, D. Kan, Y. Tsuji, S. Iikubo, H. Yoshida, Y. Shimakawa, T. Hasegawa, Y. Kanemitsu, T. Suzuki, and A. Wakamiya
"Tripodal Triazatruxene Derivative as a Face-On Oriented Hole-Collecting Monolayer for Efficient and Stable Inverted Perovskite Solar Cells"
J. Amer. Chem. Soc., 145, 7528-7539 (2023). DOI: 10.1021/jacs.3c00805

W. S. Ham, T. H. Ho, Y. Shiota, T. Iino, F. Ando, T. Ikebuchi, Y. Kotani, T. Nakamura, D. Kan, Y. Shimakawa, T. Moriyma, E. Im, N. -J. Lee, K. -W. Kim,S. C. Hong, S. H. Rhim, T. Ono, and S. Kim
"Bulk Rashba-Type Spin Splitting in Non-Centrosymmetric Artificial Superlattices"
Advanced Science, 10, 2206800/1-9 (2023). DOI: 10.1002/advs.202206800

C. Chen, Y. Kosugi, M. Goto, and Y. Shimakawa
"Thermal properties and phase transition behaviors of possible caloric materials Bi0.95Ln0.05NiO3"
J. Mater. Chem. A, 11, 15389-15393 (2023). DOI: 10.1039/D3TA01259J

M. Iihoshi, M. Goto, Y. Kosugi, and Y. Shimakawa (Supplementary cover art picture)
"Cascade Charge Transitions of Unusually High and Mixed Valence Fe3.5+ in the A-Site Layer-Ordered Double Perovskite SmBaFe2O6"
J. Amer. Chem. Soc., 145, 10756-10762 (2023).DOI: 10.1021/jacs.3c01654

Y. Shimakawa and Y. Kosugi (Celebrating ten years of Journal of Materials Chemistry A: Invited Perspective review article)
"Giant caloric effects in charge-spin-lattice coupled transition-metal oxides"
J. Mater. Chem. A, 11, 12695-12702 (2023). DOI: 10.1039/D2TA09186K

Y. Zhang, M. Sawamura, M. Harada, Y. Noda, M. Nakayama, M. Goto, D. Kan, Y. Shimakawa, B. D. Louis Campeon, D. Shibata, T. Ohta, and N. Yabuuchi
"Partially Reversible Anionic Redox for Lithium-Excess Cobalt Oxides with Cation-Disordered Rocksalt Structure"
J. Phys. Chem. C, 127, 2194-2203 (2023). DOI: 10.1021/acs.jpcc.2c08005

T. Kamada, T. Ueda, S. Fukuura, T. Yumura, S. Hosokawa, T. Tanaka, D. Kan, and Y. Shimakawa
"Ultralong distance hydrogen spillover enabled by valence changes in a metal oxide surface"
J. Am. Chem. Soc., 145, 1631-1637 (2023). DOI: 10.1021/jacs.2c09729

R. Takahashi, T. Ohkochi, D. Kan, Y. Shimakawa, H. Wadati
"Optically induced magnetization switching in NiCo2O4 thin films using ultrafast lasers"
ACS Appl. Electron. Mater., 5, 748-753 (2023). DOI: 10.1021/acsaelm.2c01233

Chosen to be the "Spotlights" !!
Y. Isoda, D. Kan, T. Majima, and Y. Shimakawa
"Orientation-dependent electrochemical reduction and proton evolution in the oxygen-deficient perovskite SrFeO2.5+y"
Appl. Phys. Express, 16, 015506/1-5 (2023). DOI: 10.35848/1882-0786/acac60


2022
Y. Kobayashi, M. Kimata, D. Kan, T. Ikebuchi, Y. Shiota, H. Kohno, Y. Shimakawa, T. Ono, and T. Moriyama
"Extrinsic contribution to anomalous Hall effect in chiral antiferromagnetic (111)-oriented L12-Mn3Ir films"
Jpn. J. Appl. Phys., 61, 070912/1-4 (2022). DOI: 10.35848/1347-4065/ac7625

K. Nishio, K. Toh, A. Perron, M. Goto, M. Abo, Y. Shimakawa, and M. Uesugi
"Magnetic Control of Cells by Chemical Fabrication of Melanin"
J. Amer. Chem. Soc., 144, 092402/1-6 (2022). DOI: 10.1021/jacs.2c06555

Chosen to be the "Highlights paper in 2022" !!
T. Wada, W. Namiki, T. Tsuchiya, D. Kan, Y. Shimakawa, T. Higuchi, and K. Terabe
"In situ manipulation of perpendicular magnetic anisotropy in half-metallic NiCo2O4 thin film by proton insertion"
Jpn. J. Appl. Phys., 61, 16720-16725 (2022). DOI: 10.35848/1347-4065/ac594f

S. Funada, D. Kan, K. Kuwano, Y. Shiota, R. Hisatomi, T. Moriyama, Y. Shimakawa, and T. Ono
"Low ferrimagnetic damping in Gd3Fe5O12 epitaxial films grown using pulsed laser deposition"
Appl. Phys. Lett., 121, 21011-21015 (2022). DOI: 10.1063/5.0099618

Y. Xu, Z. Tan, W.-T. Chen, C.-K. Chang, Y.-C. Chuang, M. Goto, and Y. Shimakawa
"High-Pressure Synthesized Perovskite CdMnO3 with C-Type Antiferromagnetic Spin Configuration"
Inorg. Chem., 61, 51/1-7 (2022). DOI: 10.1021/acs.inorgchem.2c03497

M. Amano Patino, F. Denis Romero, H. -J. Koo, M. Avdeev, S. D. A. Injac, M. Goto, M. -H. Whangbo, and Y. Shimakawa
"Orthogonal antiferromagnetism to canted ferromagnetism in CaCo3Ti4O12 quadruple perovskite driven by underlying kagome lattices"
Commun. Mater., 3, 51/1-7 (2022). DOI: 10.1038/s43246-022-00274-y

H. Narita, J. Ishizuka, R. Kawarazaki, D. Kan, Y. Shiota, T. Moriyama, Y. Shimakawa, A. Ognev, A. S. Samardak, Y. Yanase, and T. Ono
"Field-free superconducting diode effect in noncentrosymmetric superconductor/ferromagnet multilayers"
Nature Nanotechnology, , online (2022). DOI: 10.1038/s41565-022-01159-4

R. Fukuma, M. Harada, W. Zhao, M. Sawamura, Y. Noda, M. Nakayama, M. Goto, D. Kan, Y. Shimakawa, M. Yonemura, N. Ikeda, R. Watanuki, H. L. Andersen, A. M. D'Angelo, N. Sharma, J. Park, H. R. Byon, S. Fukuyama, Z. J. Han, H. Fukumitsu, M. Schulz-Dobrick, K. Yamanaka, H. Yamagishi, T. Ohta, and N. Yabuuchi
"Unexpectedly Large Contribution of Oxygen to Charge Compensation Triggered by Structural Disordering: Detailed Experimental and Theoretical Study on a Li3NbO4-NiO Binary System"
ACS Central Science, 8, 775-794 (2022). DOI: 10.1021/acscentsci.2c00238

M. Goto, M. Okazaki, and Y. Shimakawa
"Charge transfer between Fe and Ti induced by Ln substitution and temperature in the B-site-disordered perovskites Ln2(FeTi)O6 (Ln = La, Pr, and Nd)"
Bull. Chem. Soc. Jpn., 95, 1011-1015 (2022). DOI: 10.1246/bcsj.20220100

D. Kan, H. Shiraki, S. Horai, and Y. Shimakawa
"Film growth mechanism of mist-chemical-vapor-deposited magnetite"
Jpn. J. Appl. Phys., 61, 065505/1-6 (2022). DOI: 10.35848/1347-4065/ac6aff

Z. Tan, J. A. Lussier, T. Yamada, Y. Xu, T. Saito, M. Goto, Y. Kosugi, D. Vrublevskiy, Y. Kanemitsu, M. Bieringer, and Y. Shimakawa
"LiNbO3-type polar antiferromagnet InVO3 synthesized under high-pressure conditions"
Angew. Chem. Int. Ed., 61, e202203669/1-4 (2022). DOI: 10.1002/anie.202203669

K. Ji, E. Solana-Madruga, M. Amano Patino, Y. Shimakawa, and J. P. Attfield
"A new cation-ordered structure type with multiple thermal redistributions in Co2InSbO6"
Angew. Chem. Int. Ed., , e202203062/1-6 (2022). DOI: 10.1002/anie.202203062

Y. Shimakawa, M. Goto, and M. Amano Patino (Dedicated to the occasion of the 100th birthday of Prof. John B. Goodenough: Invited research article)
"Topotactic Oxygen Release and Incorporation in AFeO3 with Fe4+, AFeO2.5 with Fe3+, and AFeO2 with Fe2+ (A = Ca and Sr)"
ECS J. Solid State Sci. Tech., 11, 043004/1-6 (2022). DOI: 10.1149/2162-8777/ac62ee

D. Kan, T. Moriyama, R. Aso, S. Horai, and Y. Shimakawa
"Triaxial magnetic anisotropy and Morin transition in α-Fe2O3 epitaxial films characterized by spin Hall magnetoresistance"
Appl. Phys. Lett., 120, 112403/1-6 (2022). DOI: 10.1063/5.0087643

D. Takegami, C.-Y. Kuo, K. Kasebayashi, J.-G. Kim, C. F. Chang, C. E. Liu, C. N. Wu, D. Kasinathan, S. G. Altendorf, K. Hoefer, F. Meneghin, A. Marino, Y. F. Liao, K. D. Tsuei, C. T. Chen, K.-T. Ko, A. Gunther, S. G. Ebbinghaus, J. W. Seo, D. H. Lee, G. Ryu, A. C. Komarek, S. Sugano, Y. Shimakawa, A. Tanaka, T. Mizokawa, J. Kunes, L. H. Tjeng, and A. Hariki
"CaCu3Ru4O12: A High-Kondo-Temperature Transition-Metal Oxide"
Phys. Rev. X, 12, 011017/1-12 (2022). DOI: 10.1103/PhysRevX.12.011017

Y. Isoda, D. Kan, Y. Ogura, T. Majima, T. Tsuchiya, and Y. Shimakawa
"Electrochemical control and protonation of the strontium iron oxide SrFeOy by using proton-conducting electrolyte"
Appl. Phys. Lett., 120, 091601/1-5 (2022). DOI: 10.1063/5.0083209

H. Guo, M. Amano Patino, N. Ichikawa, T. Saito, R. Watanabe, M. Goto, M. Yang, D. Kan, and Y. Shimakawa
"Oxygen Release and Incorporation Behaviors Influenced by A-Site Cation Order/Disorder in LaCa2Fe3O9 with Unusually High Valence Fe3.67+"
Chem. Mater., 34, 345-350 (2022). DOI: 10.1021/acs.chemmater.1c03686


2021
M. Amano Patino, F. D. Romero, M. Goto, T. Saito, F. Orlandi, P. Manuel, A. Szabo, P. Kayser-Gonzalez, K. H. Hong, K. Alharbi, J. P. Attfield, and Y. Shimakawa
"Multi-k spin ordering in CaFe3Ti4O12 stabilized by spin-orbit coupling and further-neighbor exchange"
Phys. Rev. Research, 3, 043208/1-8 (2021). DOI: 10.1103/PhysRevResearch.3.043208

M. Goto, T. Oguchi, and Y. Shimakawa
"Geometrical Spin Frustration and Monoclinic-Distortion-Induced Spin Canting in the Double Perovskites Ln2LiFeO6 (Ln = La, Nd, Sm, and Eu) with Unusually High Valence Fe5+"
J. Amer. Chem. Soc., 143, 19207-19213 (2021). DOI: 10.1021/jacs.1c09838

T. Kim, S. Sim, S. Lim, M. Amano Patino, J. Hong, J. Lee, T. Hyeon, Y. Shimakawa, S. Lee, J. P. Attfield, and J. -G. Park
"Slow oxidation of magnetite nanoparticles elucidates the limits of the Verwey transition"
Nature Comms, 12, 6356/1-6 (2021). DOI: 10.1038/s41467-021-26566-4

D. Kan, L. Xie, and Y. Shimakawa
"Scaling of the anomalous Hall effect in perpendicularly magnetized epitaxial films of the ferrimagnet NiCo2O4"
Phys. Rev. B, 104, 134407/1-5 (2021). DOI: 10.1103/PhysRevB.104.134407

R. Takahashi, Y. Tani, H. Abe, M. Yamasaki,I. Suzuki, D. Kan, Y. Shimakawa, and H. Wadati
"Ultrafast demagnetization in NiCo2O4 thin films probed by time-resolved microscopy"
Appl. Phys. Lett., 119, 102404/1-5 (2021). DOI: 10.1063/5.0058740

H. Koizumi, I. Suzuko, D. Kan, J. Inoue, Y. Wakabayashi, Y. Shimakawa, and H. Yanagihara
"Spin reorientation in tetragonally distorted spinel oxide NiCo2O4 epitaxial films"
Phys. Rev. B, 104, 014422/1-6 (2021). DOI: 10.1103/PhysRevB.104.014422

Y. Kosugi, M. Goto, Z. Tan, D. Kan, M. Isobe, K. Yoshii, M. Mizumaki, A. Fujita, H. Takagi, and Y. Shimakawa
"Giant multiple caloric effects in charge transition ferrimagnet"
Sci. Rep., 11, 12682/1-8 (2021). DOI: 10.1038/s41598-021-91888-8

X. M. Irujo-Labalde, U. Amador, C. Ritter, M. Goto, M. Amano Patino, Y. Shimakawa, and S. Garcia-Martin
"3D to 2D Magnetic Ordering of Fe3+ Oxides Induced by Their Layered Perovskite Structure"
Inorg. Chem., 60, 8027-8034 (2021). DOI: 10.1021/acs.inorgchem.1c00529

D. Kan, I. Suzuki, and Y. Shimakawa
"Tuning magnetic anisotropy by continuous composition-gradients in a transition metal oxide"
J. Appl. Phys., 129, 183902/1-8 (2021). DOI: 10.1063/5.0050247

F. Ando, R. Kawarazaki, M. Naritsuka, Y. Kasahara, Y. Miyasaka, H. Narita, D. Kan, Y. Shiota, T. Moriyama, Y. Shimakawa, Y. Matsuda, and T. Ono
"Investigation of the upper critical field in artificially engineered Nb/V/Ta superlattices"
Jpn. J. Appl. PHys., 60, 60902/1-4 (2021). DOI: 10.35848/1347-4065/abfdc1

Y. Kosugi, M. Goto, Z. Tan, A. Fujita, T. Saito, T. Kamiyama, W.-T. Chen, Y.-C. Chuang, H.-S. Sheu, D. Kan, and Y. Shimakawa (Cover art picture)
"Colossal Barocaloric Effect by Large Latent Heat Produced by First‐Order Intersite‐Charge‐Transfer Transition"
Adv. Func. Mater., 31, 2009476/1-7 (2021). DOI: 10.1002/adfm.202009476

Y.-Y. Chin, Z. Hu, Y. Shimakawa, J. Yang, Y. Long, A. Tanaka, L. H. Tjeng, H.-J. Lin, and C.-T. Chen
"Charge and spin degrees of freedom in A-site ordered YCu3Co4O12 and CaCu3Co4O12"
Phys. Rev. B, 103, 115149 (2021). DOI: 10.1103/PhysRevB.103.115149

S. D. A. Injac, Y. Xu, F. Denis Romero, and Y. Shimakawa
"Pauli-paramagnetic and metallic properties of high pressure polymorphs of BaRhO3 oxides containing Rh2O9 dimers"
Dalton Trans.,, 50, 4673-4679 (2021). DOI: 10.1039/D1DT00502B

S. D. Klos, A. Haffner, P. Manuel, M. Goto, Y. Shimakawa, and J. P. Attfield
"Preparation of iron(IV) nitridoferrate Ca4FeN4 through azide-mediated oxidation under high-pressure conditions"
Nature Communications, 12, 571/1-6 (2021). DOI: 10.1038/s41467-020-20881-y

K. H. Hong, E. Solana-Madruga, B. V. Hakala, M. Amano Patino, P. Manuel, Y. Shimakawa, and J. P. Attfield
"Substitutional tuning of electronic phase separation in CaFe3O5"
Phy. Rev. Mater., 5, 024406/1-9 (2021). DOI: 10.1103/PhysRevMaterials.5.024406

Z. Tan, A. Koedtruad, M. Goto, M. Iihoshi, and Y. Shimakawa
"Layered Hexagonal Perovskite Oxides 21R Ba7Fe5Ge2O20 and 12H Ba6Fe3Ge3O17"
Inorg. Chem., 60, 1257-1263 (2021). DOI: 10.1021/acs.inorgchem.0c03423

Z. Zhang, S. Zhang, C. Jiang, H. Guo, F. Qu, Y. Shimakawa, and M. Yang
"Integrated sensing array of the perovskite-type LnFeO3 (Ln=La, Pr, Nd, Sm) to discriminate detection of volatile sulfur compounds"
J. Hazardous Materials, , 125380 (2021). DOI: 10.1016/j.jhazmat.2021.125380


2020
Chosen to be the "Editor's Pick" !!
D. Kan, T. Hatano, A. Abe, H. Ikuta, and Y. Shimakawa
"Metallic transport properties and electrostatic resistance modulations in LaNiO3 ultrathin channels electrochemically etched in electric-double-layer transistors"
Appl. Phys. Lett., 117, 231602/1-5 (2020). DOI: 10.1063/5.0028501

A. Koedtruad, M. Amano Patino, Y.-C. Chuang, W.-T. Chen, D. Kan, and Y. Shimakawa
"Ruddlesden-Popper phases of lithium-hydroxide-halide antiperovskites: Two dimensional Li-ion conductors"
RSC Advances, 10, 41816-41820 (2020). DOI: 10.1039/D0RA07803D

D. Kan, I. Suzuki, and Y. Shimakawa
"Influence of deposition rate on magnetic properties of inverse-spinel NiCo2O4 epitaxial thin films grown by pulsed laser deposition"
Jpn. J. Appl. Phys., 59, 110905/1-6 (2020). DOI: 10.35848/1347-4065/abc2b2

Y. Zhang, K. Shinokita, K. Watanabe, T. Taniguchi, M. Goto, D. Kan, Y. Shimakawa, Y. Moritomo, T. Nishihara, Y. Miyauchi, and K. Matsuda
"Controllable Magnetic Proximity Effect and Charge Transfer in 2D Semiconductor and Double-Layered Perovskite Manganese Oxide van der Waals Heterostructure"
Adv. Mater. 2003501/1-8 (2020). DOI: 10.1002/adma.202003501

M. Haruta, A. Nii, Y. Hosaka, N. Ichikawa, T. Saito, Y. Shimakawa, and H. Kurata
"Extraction of the local coordination and electronic structures of FeO6 octahedra using crystal field multiplet calculations combined with STEM-EELS"
Appl. Phys. Lett., 117, 132902/1-5 (2020). DOI: 10.1063/5.0020629

Y. Abe, I. Satoh, T. Saito, D. Kan, and Y. Shimakawa
"Oxygen Reduction Reaction Catalytic Activities of Pure Ni-Based Perovskite-Related Structure Oxides"
Chem. Mater., 32, 8694-8699 (2020). DOI: 10.1021/acs.chemmater.0c03320

Z. Tan, F. D. Romero, T. Saito, M. Goto, M. Amano Patino, A. Koedtruad, Y. Kosugi, W. -T. Chen, Y. -C. Chuang, H. -S. Sheu, J. P. Attfield, and Y. Shimakawa
"Charge disproportionation and interchange transitions in twelve-layer BaFeO3"
Phys. Rev. B, 102, 054404/1-5 (2020). DOI: 10.1103/PhysRevB.102.054404

D. Kan, M. Mizumaki, M. Kitamura, Y. Kotani, Y. Shen, I. Suzuki, K. Horiba, and Y. Shimakawa
"Spin and orbital magnetic moments in perpendicularly magnetized Ni1-xCo2+yO4-z epitaxial thin films: Effects of site-dependent cation valence states"
Phys. Rev. B, 101, 224434/1-6 (2020). DOI: 10.1103/PhysRevB.101.224434

M. Y. Lv, H. C. Guo, H. J. Shen, J. Wang, J. C. Wang, Y. Shimakawa, and M. Yang
"Fe3C cluster-promoted single-atom Fe, N doped carbon for oxygen-reduction reaction"
Phys. Chem. Chem. Phy., 22, 7218-7223 (2020). DOI: 10.1039/d0cp00109k

Y. Shen, D. Kan, I. -C. Lin, M. -W. Chu, I. Suzuki, and Y. Shimakawa
"Perpendicular magnetic tunnel junctions based on half-metallic NiCo2O4"
Appl. Phys. Lett., 117, 203903/1-6 (2020). DOI: 10.1063/5.0017637

I. Suzuki, D. Kan, M. Kitamura, Y. Shen, K. Horiba, and Y. Shimakawa
"Influence of oxygen vacancies on magnetic properties of perpendicularly magnetized NiCo2O4 epitaxial thin films"
J. Appl. Phys. , 127, 042408/1-4 (2020). DOI: 10.1063/5.0008173

Y. Shen, D. Kan, Z. Tan, Y. Wakabayashi, and Y. Shimakawa
"Tuning of ferrimagnetism and perpendicular magnetic anisotropy in NiCo2O4 epitaxial films by the cation distribution"
Phys. Rev. B, 101, 094412/1-6 (2020). DOI: 10.1103/PhysRevB.101.094412

M. Goto, X. Martinez de Irujo-Labalde, T. Saito, S. Garcia-Martin, and Y. Shimakawa
"Successive and Site-Selective Oxygen Release from B-Site-Layer-Ordered Double Perovskite Ca2FeMnO6 with Unusually High Valence Fe4+"
Inorg. Chem., 59, 2024-2029 (2020). DOI: 10.1021/acs.inorgchem.9b03374

A. Koedtruad, M. Amano Patino, N. Ichikawa, D. Kan, and Y. Shimakawa (Dedicated to the occasion of the 70th birthday of Prof. Kenneth Poeppelmeier: Invited research article)
"Crystal structures and ionic conductivity in Li2OHX (X = Cl, Br) antiperovskites"
J. Solid State Chem., 286, 121263/1-5 (2020). DOI: 10.1016/j.jssc.2020.121263

D. Kan, T. Moriyama, and Y. Shimakawa
"Field-sweep-rate and time dependence of transverse resistivity anomalies in ultrathin SrRuO3 films"
Phys. Rev. B, 101, 014448/1-5 (2020). DOI: 10.1103/PhysRevB.101.014448

D. Kan, K. Kobayashi, and Y. Shimakawa
"Electric field induced modulation of transverse resistivity anomalies in ultrathin SrRuO3 epitaxial films"
Phys. Rev. B, 101, 144405/1-5 (2020). DOI: 10.1103/PhysRevB.101.144405

F. D. Romero, M. Amano Patino, M. Haruta, H. Kurata, J. P. Attfield, and Y. Shimakawa
"Conversion of a Defect Pyrochlore into a Double Perovskite via High-Pressure, High-Temperature Reduction of Te6+"
Inorg. Chem., 59, 343-349 (2020). DOI: 10.1021/acs.inorgchem.9b02472


2019
M. Ozaki,Y. Nakaike, A. Shimazaki, M. Jung, N. Maruyama, S. Yakumaru, A. I. Rafieh, P. Ekanayake, T. Saito, Y. Shimakawa, T. Sasamori, Y. Murata, R. Murdey, A. Wakamiya
"How to Make Dense and Flat Perovskite Layers for > 20% Efficient Solar Cells: Oriented, Crystalline Perovskite Intermediates and Their Thermal Conversion"
Bull. Chem. Soc. Jpn., 92, 1972-1979 (2019). DOI: 10.1246/bcsj.20190241

D. Kan, S. Sugano, Y. Kosugi, K. Kobayashi, N. Uebayashi, T. Koganezawa, and Y. Shimakawa
"Selective growth of α-Fe2O3, γ-Fe2O3 and Fe3O4 at low-temperatures and under ambient pressure"
Jpn. J. Appl. Phys, 58, 095504/1-6 (2019). DOI: 10.7567/1347-4065/ab39d1

X. M. de Irujo-Labalde, M. Goto, E. Urones-Garrote, U. Amador, C. Ritter, M. E. Amano Patino, A. Koedtruad, Z. Tan, Y. Shimakawa, and S. Garcia-Martin
"Multiferroism Induced by Spontaneous Structural Ordering in Antiferromagnetic Iron Perovskites"
Chem. Mater., 31, 5993-6000 (2019). DOI: 10.1021/acs.chemmater.9b02716

Chosen to be the "Editor's Pick" !!
D. Kan and Y. Shimakawa
"Strain effect on thermoelectric properties of SrRuO3 epitaxial thin films"
Appl. Phys. Lett., 115, 022403/1-4 (2019). DOI: 10.1063/1.5097927

K. Kobayashi, D. Kan, S. Matsumoto, M. Mizumaki, and Y. Shimakawa
"Orbital magnetic moments in strained SrRuO3 thin films"
J. Phys. Soc. Jpn., 88, 084708/1-5 (2019). DOI: 10.7566/JPSJ.88.084708

Y. Heo, D. Kan, M. Anada, Y. Wakabayashi, H. Tajiri, and Y. Shimakawa
"Correlations between oxygen octahedral distortions and magnetic and transport properties in strained La0.5Sr0.5CoO3 thin films"
Phys. Rev. B, 99, 174420/1-7 (2019). DOI: 10.1103/PhysRevB.99.174420

Y. -Y. Chin, H. -J. Lin, Z. Hu, Y. Shimakawa, and C. -T. Chen
"Direct observation of the partial valence transition of Cu in the A-site ordered LaCu3Fe4O12-d by soft X-ray absorption spectroscopy"
Phys. B: Cond. Matter, 568, 92-95 (2019). DOI: 10.1016/j.physb.2019.02.047

W. -T. Chen, C. Ablitt, N. C. Bristowe, A. A. Mostofi, T. Saito, Y. Shimakawa, and M. S. Senn
"Negative thermal expansion in high pressure layered perovskite Ca2GeO4"
Chem. Comm., 55, 2984-2987 (2019). DOI: 10.1039/C8CC09614G

F. D. Romero and Y. Shimakawa (Invited Feature Article)
"Charge transitions in perovskite oxides containing unusually high-valent Fe"
Chem. Comm., 55, 3690-3696 (2019). DOI: 10.1039/C8CC10207D

A. Koedtruad, M. Goto, M. Amano Patino, Z. Tan, H. Guo, T. Nakamura, T. Handa, W. -T. Chen, Y. -C. Chuang, H. -S. Sheu, T. Saito, D. Kan, Y. Kanemitsu, A. Wakamiya, and Y. Shimakawa
"Structure-property relations in Ag-Bi-I compounds: potential Pb-free absorbers in solar cells"
J. Mater. Chem. A, 7, 5583-5588 (2019). DOI: 10.1039/C8TA11227D


2018
Chosen to be the "Editor's Suggestion" !!
D. Kan, T. Moriyama, K. Kobayashi, and Y. Shimakawa
"Alternative to the topological interpretation of the transverse resistivity anomalies in SrRuO3"
Phys. Rev. B (Rapid), 98, 180408(R) (2018). DOI: 10.1103/PhysRevB.98.180408

M. Goto, T. Saito, and Y. Shimakawa
"Unusual Ferromagnetic Metal: A-Site-Layer-Ordered Double Perovskite YBaCo2O6 with Unusually High Valence Co3.5+"
Chem. Mater., 30, 8702-8706 (2018). DOI: 10.1021/acs.chemmater.8b04203

Chosen to be the "Featured Article" !!
Y. Heo, D. Kan, and Y. Shimakawa (Cover art picture)
"Nanoscale oxygen ion dynamics in SrFeO2.5+d epitaxial thin films"
Appl. Phys. Lett., 113, 221904/1-5 (2018). DOI: 10.1063/1.5046749

D. Kan, Y. Niwa, T. Koganezawa, and Y. Shimakawa
"Growth-temperature-dependent coalescence determines structural phase of mist-chemical-vapor-deposition-grown SnO2 thin films"
J. Appl. Phys., 124, 125303/1-5 (2018). DOI: 10.1063/1.5045327

Chosen to be the "Featured Article" !!
Y. Shimakawa, M.W. Lufaso, and P. M. Woodward
"Negative and positive thermal expansion-like volume changes due to intermetallic charge transfer based on an ionic crystal model of transition-metal oxides"
APL Materials, 6, 086106/1-8 (2018). DOI: 10.1063/1.5042510

Z. Tan, T. Saito, F. D. Romero, M. Amano Patino, M. Goto, W.-T. Chen, Y.-C. Chuang, H.-S. Sheu, and Y. Shimakawa
"Hexagonal Perovskite Ba4Fe3NiO12 Containing Tetravalent Fe and Ni Ions"
Inorg. Chem., 57, 10410-10415 (2018). DOI: 10.1021/acs.inorgchem.8b01618

D. Kan and Y. Shimakawa
"Defect‐Induced Anomalous Transverse Resistivity in an Itinerant Ferromagnetic Oxide"
Phys. Status Solidi B, 225, 1800175/1-6 (2018). DOI: 10.1002/pssb.201800175

F. D. Romero, P. Xiong, M. Amano Patino, T. Saito, P. Kayser, J. P. Attfield, and Y. Shimakawa
"Suppression of Sequential Charge Transitions in Ca0.5Bi0.5FeO3 via B-Site Cobalt Substitution"
Chem. Mater., 30, 5493-5499 (2018). DOI: 10.1021/acs.chemmater.8b02524

Chosen to be the "Editor's Pick" !!
D. Kan, M. Anada, Y. Wakabayashi, H. Tajiri, and Y. Shimakawa
"Oxygen octahedral distortions in compressively strained SrRuO3 epitaxial thin films"
J. Appl. Phys., 123, 235303 (2018). DOI: 10.1063/1.5036748

P. Xiong, Y, Hosaka, T. Saito, and Y. Shimakawa
"High pressure synthesis and physical properties of Sr0.5-xCaxBi0.5FeO3"
J. Jpn, Soc. Powder Powder Metallurgy, 65, 269-273 (2018). DOI: 10.2497/jjspm.65.269

A. M. Arevalo-Lopez, Y. Hosaka, H. C. Guo, F. D. Romero, T. Saito, J. P. Attfield, and Y. Shimakawa
"Spin order in the charge disproportionated phases of the A-site layer ordered triple perovskite LaCa2Fe3O9"
Phys. Rev. B, 97, 024421/1-5 (2018). DOI: 10.1103/PhysRevB.97.024421

P. Xiong, F. D. Romero, Y, Hosaka, H. C. Guo, T. Saito, W. -T. Chen, Y. -C. Chuang, H. -S. Sheu, G. McNally, J. P. Attfield, and Y. Shimakawa
"Charge Disproportionation in Sr0.5Bi0.5FeO3 Containing Unusually High Valence Fe3.5+"
Inorg. Chem., 57, 843-848 (2018). DOI: 10.1021/acs.inorgchem.7b02785


2017
M. Ozaki, Y. Katsuki, J. Liu, T. Handa, R. Nishikubo, S. Yakumaru, Y. Hashikawa, Y. Murata, T. Saito, Y. Shimakawa, Y. Kanemitsu, A. Saeki, and A. Wakamiya
"Solvent-Coordinated Tin Halide Complexes as Purified Precursors for Tin-based Perovskites"
ACS Omega, 2, 7016-7021 (2017). DOI: 10.1021/acsomega.7b01292

H. Mizuno, K. Yamada, D. Kan, T .Moriyama, Y. Shimakawa, and T. Ono
"Electric-field-induced modulation of the anomalous Hall effect in a heterostructured itinerant ferromagnet SrRuO3"
Phys. Rev. B, 96, 214422 (2017). DOI: 10.1103/PhysRevB.96.214422

L. Zhou, J. Dai, Y. Chai, H. Zhang, S. Dong, H. Cao, S. Calder, Y. Yin, X. Wang, X. Shen, Z. Liu, T. Saito, Y. Shimakawa, H. Hojo, Y. Ikuhara, M. Azuma, Z. Hu, Y. Sun, C. Jin, and Y. Long
"Realization of Large Electric Polarization and Strong Magnetoelectric Coupling in BiMn3Cr4O12"
Adv. Mater., 29, 1703435 (2017). DOI: 10.1002/adma.201703435

K. Hirai, R. Aso, Y. Ozaki, D. Kan, M. Haruta, N. Ichikawa, H. Kurata, and Y. Shimakawa
"Melting of oxygen vacancy order at oxide-heterostructure interface"
ACS Appl. Mater. Interfaces, 9, 30143-30148 (2017). DOI: 10.1021/acsami.7b08134

F. D. Romero, Y. Hosaka, N. Ichikawa, T. Saito, G. McNally, J. P. Attfield, and Y. Shimakawa
"Charge and spin order in Ca0.5Bi0.5FeO3: Idle spins in the charge disproportionated state"
Phys. Rev. B, 96, 064434/1-5 (2017). DOI: 10.1103/PhysRevB.96.064434

Y. Ozaki, D. Kan, and Y. Shimakawa
"Influence of cation off-stoichiometry on structural and transport properties of (Ba,La)SnO3 epitaxial thin films grown by pulsed laser deposition"
J. Appl. Phys., 121, 215304/1-6 (2017). DOI: 10.1063/1.4984317

Y. Hosaka, F. D. Romero, N. Ichikawa, T. Saito, and Y. Shimakawa
"Successive Charge Transitions of Unusually High-Valence Fe3.5+: Charge Disproportionation and Intermetallic Charge Transfer"
Angew. Chem. Int. Ed., 56, 4243-4246 (2017). DOI: 10.1002/anie.201700881

H. Guo, Y. Hosaka, F. D. Romero, T. Saito, N. Ichikawa, and Y. Shimakawa
"Two Charge Ordering Patterns in the Topochemically Synthesized Layer-Structured Perovskite LaCa2Fe3O9 with Unusually High Valence Fe3.67+"
Inorg. Chem., 56, 3695-3701 (2017). DOI: 10.1021/acs.inorgchem.7b00104

T Saito, S. Zhang, D. Khalyavin, P. Manuel, J. P. Attfield, and Y. Shimakawa
"G-type antiferromagnetic order in the metallic oxide LaCu3Cr4O12"
Phys. Rev. B (Rapid), 95, 041109 (2017). DOI: 10.1103/PhysRevB.95.041109

S. Garcia-Martin, K. Manabe, E. Urones-Garrote, D. Avila-Brande, N. Ichikawa, and Y. Shimakawa
"Crystal structures at atomic resolution of the perovskite-related GdBaMnFeO5 and its oxidized GdBaMnFeO6"
Inorg. Chem., 56, 1412-1217 (2017). DOI: 10.1021/acs.inorgchem.6b02472

H. Guo, Y. Hosaka, H. Seki, T. Saito, N. Ichikawa, and Y. Shimakawa
"2:1 Charge disproportionation in perovskite-structure oxide La1/3Ca2/3FeO3 with unusually-high-valence Fe3.67+"
J. Solid State Chem., 246, 199-202 (2017). DOI: 10.1016/j.jssc.2016.11.027


2016
D. Kan, M. Mizumaki, T. Nishimura, and Y. Shimakawa
"Orbital magnetic moments in SrRuO3 epitaxial thin films with interfacially controlled magnetic anisotropy"
Phys. Rev., B 94, 214420 (2016). DOI: 10.1103/PhysRevB.94.214420

L. Gustin, Y. Hosaka, C. Tassel, T. Aharen, Y. Shimakawa, H. Kageyama, and J. B. Wiley
"From tetrahedral to octahedral iron coordination: Layer compression in topochemically prepared FeLa2Ti3O10"
Inorg. Chem., 55, 11529-11537(2016). DOI: 10.1021/acs.inorgchem.6b02071

Y. Hosaka, N. Ichikawa, T. Saito, J. P. Attfield, and Y. Shimakawa
"Charge and spin order in the perovskite CaFe0.5Mn0.5O3: Charge disproportionation behavior of randomly arranged Fe4+"
Phys. Rev., B 94, 104429 (2016). DOI: 10.1103/PhysRevB.94.104429

D. Kan, Y. Wakabayashi, H. Tajiri, and Y. Shimakawa
"Interfacially engineered oxygen octahedral rotations and their impact on strain relief in coherently grown SrRuO3 films"
Phys. Rev., B 94, 024112 (2016). DOI: 10.1103/PhysRevB.94.024112

H. Seki, T. Saito, and Y. Shimakawa
"High Pressure Synthesis of SrFe1-xNixO3"
J. Jpn. Soc. Powder Powder Metallurgy, 63, 609-612 (2016). DOI: 10.2497/jjspm.63.609

Y. Hosaka, N. Ichikawa, T. Saito, M. Mizumaki, and Y. Shimakawa
"A Layered Double Perovskite Ca2FeMnO6 with Unusually High Valence Fe4+ Obtained by Low-Temperature Topotactic Oxidation"
J. Jpn. Soc. Powder Powder Metallurgy, 63, 605-608 (2016). DOI: 10.2497/jjspm.63.605

P. Xiong, H. Seki, H. Guo, Y. Hosaka, T. Saito, M. Mizumaki, and Y. Shimakawa
"Geometrical Spin Frustration of Unusually High Valence Fe5+ in the Double Perovskite La2LiFeO6"
Inorg. Chem., 55, 6218-6222 (2016). DOI: 10.1021/acs.inorgchem.6b00827

M. Haruta, Y. Hosaka, N. Ichikawa, T. Saito, Y. Shimakawa, and H. Kurata
"Determination of Elemental Ratio in an Atomic Column by Electron Energy Loss Spectroscopy"
ACS Nano, 10, 6680-6684 (2016). DOI: 10.1021/acsnano.6b01887

D. Kan, R. Aso, R. Sato, M. Haruta, H. Kurata, and Y. Shimakawa
"Tuning magnetic anisotropy by interfacially engineering the oxygen coordination environment in a transition metal oxide"
Nature Materials, 15, 432-437 (2016). DOI: 10.1038/NMAT4580

Y. Heo, D. Kan, Y. Shimakawa, and J. Seidel
"Resistive switching properties of epitaxial BaTiO3-d thin films tuned by after-growth oxygen cooling pressure"
Physical Chemistry Chemical Physics, 18, 197-204 (2016). DOI: 10.1039/C5CP05333A

D. Kan, Y. Orikasa, K. Nitta, H. Tanida, R. Kurosaki, T. Nishimura, T. Sasaki, H. Guo, Y. Ozaki, Y. Uchimoto, and Y. Shimakawa
"Overpotential-induced introduction of oxygen vacancy in La0.67Sr0.33MnO3 surface and its impact on oxygen reduction reaction catalytic activity in alkaline solution"
Journal of Physical Chemistry, C 120, 6006-6010 (2016). DOI: 10.1021/acs.jpcc.5b11664

Chosen to be the "Editor's choice"
T. Kawakami, Y. Sekiya, A. Mimura, K. Kobayashi, K. Tokumichi, I. Yamada, M. Mizumaki, N. Kawamura, Y. Shimakawa, Y. Ohishi, N. Hirao, N. Ishimatsu, N. Hayashi, M. Takano
"Two-step suppression of charge disproportionation in CaCu3Fe4O12 under high pressure"
J. Phys. Soc. Jpn., 85, 034716 (2016). DOI: 10.7566/JPSJ.85.034716

H. Seki, Y. Hosaka, T. Saito, M. Mizumaki, and Y. Shimakawa
"Ferromagnetism induced by substitution of the iron(IV) ion by an unusual high-valence nickel(IV) ion in antiferromagnetic SrFeO3"
Angew. Chem. Int. Ed., 55, 1360-1363 (2016). DOI: 10.1002/anie.201509195

Y. Imai, S. Kimura, D. Kan, and Y. Shimakawa
"Characterization of domain structure in one-dimensional SrRuO3 nanostructure using synchrotron x-ray microdiffraction"
AIP Conference Proc., 1741, 050014/1-4 (2016). DOI: 10.1063/1.4952934


2015
Y. Shimakawa (Invited topical review article)
"Crystal and magnetic structures of CaCu3Fe4O12 and LaCu3Fe4O12: Distinct charge transitions of unusual high valence Fe"
J. Phys. D: Appl. Phys. Special issue on "100 Years of Crystallography", 48, 504006/1-13 (2015). DOI: 10.1088/0022-3727/48/50/504006

E. Baba, D. Kan, Y. Yamada, M. Haruta, H. Kurata, Y. Kanemitsu, and Y. Shimakawa
"Optical and transport properties of transparent conducting La-doped SrSnO3 thin films"
J. Phys. D: Applied Physics , 48, 455106/1-5 (2015). DOI: 10.1088/0022-3727/48/45/455106

X. Wang, Y.-S. Chai, L. Zhou, H. Cao, C.-d Cruz, J.-Y. Yang, J.-H. Dai, Y.-Y. Yin, Z. Yuan, S. Zhang, R.-Z. Yu, M. Azuma, Y. Shimakawa, H.-M. Zhang, S. Dong, Y. Sun, C.-Q. Jin, and Y.-W. Long
"Observation of magnetoelectric multiferroicity in a cubic perovskite system: LaMn3Cr4O12"
Phys. Rev. Lett., 115, 087601/1-5 (2015). DOI: 10.1103/PhysRevLett.115.087601

Y. Hosaka, N. Ichikawa, T. Saito, P. Manuel, D. Khalyavin, J. Paul Attfield, and Y. Shimakawa
"Two-dimensional charge disproportionation of the unusual high-valence state Fe4+ in a layered double perovskite"
J. Am. Chem. Soc., 137, 7468-7473 (2015). DOI: 10.1021/jacs.5b03712

M. Toyoda, T. Saito, K. Yamauchi, Y. Shimakawa, and T. Oguchi
"Superexchange interaction in the A-site ordered perovskite YMn3Al4O12"
Phys. Rev. B, 92, 014420/1-7 (2015). DOI: 10.1103/PhysRevB.92.014420

D. Kan, T. Shimizu, and Y. Shimakawa
"Influence of cation off-stoichiometry on transport properties of metal/Nb-SrTiO3 junctions"
J. Appl. Phys., 117, 205305/1-5 (2015). DOI: 10.1063/1.4921802

S. Corallini, M. Ceretti, G. Silly, A. Piovano, S. Singh, J. Stern, C. Ritter, J. Ren, H. Eckert, K. Conder, W.-T. Chen, F.-C. Chou, N. Ichikawa, Y. Shimakawa, and W. Paulus
"1D oxygen diffusion mechanism in Sr2ScGaO5 electrolyte explored by neutron and synchrotron diffraction, 17 O-NMR and DFT calculations"
J. Phys. Chem. C, 119, 11447-11458 (2015). DOI: 10.1021/acs.jpcc.5b02173

M. Mizumaki, H. Fujii, K. Yoshii, N. Hayashi, T. Saito, Y. Shimakawa, T. Uozumi, and M. Takano
"Electronic structure of BaFeO3 studied by X-ray spectroscopy"
Physica Status Solidi C, 12, 818-821 (2015). DOI: 10.1002/pssc.201400252

D. Kan, R. Aso, H. Kurata, and Y. Shimakawa (Invited Research Update Article)
"Interface-engineered oxygen octahedral tilts in perovskite oxide heterostructures"
APL Mater., 3, 062302/1-9 (2015). DOI: 10.1063/1.4918965

D. Kan, R. Aso, H. Kurata, and Y. Shimakawa (Invited Perspective Article)
"Phase control of a perovskite transition-metal oxide through oxygen displacement at the heterointerface"
Dalton Trans, 44, 10594-10607 (2015). DOI: 10.1039/C4DT03749A

Chosen to be the "Selected paper" !!
Y. Hosaka, N. Ichikawa, T. Saito, M. Haruta, K. Kimoto, H. Kurata, and Y. Shimakawa
"Ca2FeMnO6: a layered double perovskite with unusual high valence Fe4+ in a layered arrangement"
Bull. Chem. Soc. Jpn., 88, 657-661 (2015). DOI: 10.1246/bcsj.20140404

K. Hirai, D. Kan, N. Ichikawa, K. Mibu, Y. Yoda, M. Andreeva, and Y. Shimakawa
"Strain-induced significant increase in metal-insulator transition temperature in oxygen-deficient Fe oxide epitaxial thin films"
Sci. Rep., 5, 7894/1-6 (2015). DOI: 10.1038/srep07894


2014
T. Saito, M. Toyoda, C. Ritter, S. Zhang, T. Oguchi, J. P. Attfield, and Y. Shimakawa
"Symmetry-breaking 60-spin order in the A-site-ordered perovskite LaMn3V4O12"
Phys. Rev. B, 90, 214405/1-6 (2014). DOI: 10.1103/PhysRevB.90.214405

R. Aso, D. Kan, Y. Shimakawa, and H. Kurata
"Strong dependence of oxygen octahedral distortions in SrRuO3 films on types of substrate-induced epitaxial strain"
Cryst. Growth & Des. (Communication), 14 , 2128-2132 (2014).DOI: 10.1021/cg501340e

Y. Shimakawa and M. Mizumaki (Invited topical review article)
"Multiple magnetic interactions in A-site-ordered perovskite-structure oxides"
J. Phys. Cond. Matter, 26, 473203/1-14 (2014). DOI: 10.1088/0953-8984/26/47/473203

R. Aso, D. Kan, Y. Shimakawa, and H. Kurata (Inside cover art picture)
"Control of structural distortions in transition-metal oxide films through oxygen displacement at the heterointerface"
Adv. Func. Mater., 24, 5177-5184 (2014).DOI: 10.1002/adfm.201303521

M. S. Senn, W-T Chen, T. Saito, S. Garcia-Martin, J. P. Attfield, and Y. Shimakawa
"B-cation order control of magnetism in the 1322 perovskite CaCu3Fe2Nb2O12"
Chem. Mater., 26, 4832-4837 (2014). DOI: 10.1021/cm502064b

N. Murakami, D. Kan, N. Ichikawa, and Y. Shimakawa
"Low-temperature reduction of brownmillerite CaFeO2.5 in LaAlO3/CaFeO2.5 heterostructures made on SrTiO3"
Dalton Trans., 43, 14596-14599 (2014). DOI: 10.1039/c4dt01616e

W-T Chen, M. Mizumaki, H. Seki, M. S. Senn, T. Saito, D. Kan, J. P. Attfield, and Y. Shimakawa
"A half-metallic A- and B-site-ordered quadruple perovskite oxide CaCu3Fe2Re2O12 with large magnetization and a high transition temperature"
Nature Comm., 5, 3909/1-7 (2014). DOI: 10.1038/ncomms4909

S. Zhang, T. Saito, M. Mizumaki, and Y. Shimakawa
"Temperature-induced intersite charge transfer involving Cr ions in A-site-ordered perovskites ACu3Cr4O12 (A = La and Y)"
Chemistry -A Eur. J, 20, 9510-9513 (2014). DOI: 10.1002/chem.201403692

D. Kan, R. Aso, H. Kurata, and Y. Shimakawa
"Unit-cell thick BaTiO3 blocks octahedral tilt propagation across oxide heterointerface"
J. Appl. Phys., 115, 184304/1-6 (2014). DOI: 10.1063/1.4875839

R. Aso, D. Kan, Y. Shimakawa, and H. Kurata
"Octahedral tilt propagation controlled by A-site cation size at perovskite oxide heterointerfaces"
Cryst. Growth & Des., 14, 2128-2132 (2014). DOI: 10.1021/cg500285m

H. Seki, R. Yamada, T. Saito, B.J. Kennedy, and Y. Shimakawa
"High-concentration Na doping of SrRuO3 and CaRuO3"
Inorg. Chem., 53, 4579-4584 (2014). DOI: 10.1021/ic500265t

K. Nishimura, I Yamada, K. Oka, Y. Shimakawa, and M. Azuma
"High-pressure synthesis of BaVO3: A new cubic perovskite"
J. Phys. Chem. Solids, 75, 710-712 (2014). DOI: 10.1016/j.jpcs.2014.02.001

T. Saito, R. Yamada, C. Ritter, M. Senn, J.P. Attfield, and Y. Shimakawa
"Control of L-type ferrimagnetism by the Ce/vacancy ordering in the A-site-ordered perovskite Ce1/2Cu3Ti4O12"
Inorg. Chem., 53, 1578-1584 (2014). DOI: 10.1021/ic402616r

Y. Shimakawa, S. Zhang, T. Saito, M. W. Lufaso, and P. M. Woodward
"Order-disorder transition involving the A-Site cations in Ln3+Mn3V4O12 perovskites"
Inorg. Chem., 53, 594-599 (2014). DOI: 10.1021/ic402740k

D. Kan, T. Shimizu, Y. Yamada, R. Aso, H. Kurata, Y. Kanemitsu, and Y. Shimakawa
"Band-to-band photoluminescence as a probe of electron carriers in Nb-doped SrTiO3 epitaxial thin films"
Appl. Phys. Exp., 7, 015503 (2014). DOI: 10.7567/APEX.7.015503


2013
I. Sosnowska, M. Azuma, R. Przeniosto, D. Wardecki, W.-T. Chen, K. Oka, and Y. Shimakawa
"Crystal and magnetic structure in Co-substituted BiFeO3"
Inorg. Chem., 52, 13269-13277 (2013). DOI: 10.1021/ic402427q

M. Senn, A. Arevalo-Lopez, T. Saito, Y. Shimakawa, and J. P. Attfield
"Nonmagnetic spin-singlet dimer formation and coupling to the lattice in the 6H perovskite Ba3CaRu2O9"
J. Phy.: Cond. Matter., 25, 496008/1-6（2013). DOI: :10.1088/0953-8984/25/49/496008

D. Kan and Y. Shimakawa
"Transient behavior in Pt/Nb-doped SrTiO3 Schottky junctions"
Appl. Phys. Lett., 103, 142910/1-5 (2013). DOI: 10.1063/1.4824169

Y. Kobayashi, Z. Li, K. Hirai, C. Tassel, F. Loyer, N. Ichikawa, N. Abe, T. Yamamoto, Y. Shimakawa, K. Yoshimura, M. Takano, and H. Kageyama
"Gas phase contributions to topochemical hydride reduction reactions"
J. Solid State Chem., 207, 190-193 (2013). DOI: 10.1016/j.jssc.2013.09.006

S. Zhang, T. Saito, W. -T. Chen, M. Mizumaki, and Y. Shimakawa
"Solid Solutions of Pauli-paramagnetic CaCu3V4O12 and Antiferromagnetic CaMn3V4O12"
Inorg. Chem., 52, 10610-10614（2013）. DOI: 10.1021/ic401633c

V. R. Singh, V. K. Verma, K. Ishigami, G. Shibata, Y. Yamazaki, A. Fujimori, Y. Takeda, T. Okane, Y. Saitoh, H. Yamagami, Y. Nakamura, M. Azuma, and Y. Shimakawa
"Enhanced ferromagnetic moment in Co-doped BiFeO3 thin films studied by soft X-ray circular dichroism"
J. Appl. Phys., 114, 103905/1-6 (2013). DOI: 10.1063/1.4821024

M. Mizumaki, K. Yoshii, N. Hayashi, T. Saito, Y. Shimakawa, and M. Takano
"Magnetocaloric effect of field-induced ferromagnet BaFeO3"
J. Appl. Phys., 114, 073901/1-6 (2013). DOI: 10.1063/1.4818316

K. Hirai, D. Kan, R. Aso, H. Kurata, and Y. Shimakawa
"Anisotropic in-plane lattice strain relaxation in brownmillerite SrFeO2.5 epitaxial thin films"
J. Appl. Phys., 114, 053514/1-6 (2013). DOI: 10.1063/1.4817505

R. Aso, D. Kan, Y. Shimakawa, and H. Kurata
"Atomic level observation of octahedral distortions at the perovskite oxide heterointerface"
Sci. Rep., 3, 2214/1-6 (2013). DOI: 10.1038/srep02214

K. Oka, K. Nabetani, C. Sakaguchi, H. Seki, M. Czapski, Y. Shimakawa, and M. Azuma
"Tuning negative thermal expansion in Bi1-xLnxNiO3 (Ln=La, Nd, Eu, Dy)"
Appl. Phys. Lett., 103, 061909/1-3 (2013). DOI: 10.1063/1.4817976

M. Mizumaki, T. Saito, T. Uozumi, and Y. Shimakawa
"Electronic structure of Cu in ferromagnetic CaCu3Sn4O12"
J. Phys.: Conference Series, 428, 012030/1-4 (2013). DOI: 10.1088/1742-6596/428/1/012030

D. Kan, R. Aso, H. Kurata, and Y. Shimakawa
"Epitaxial strain effect in tetragonal SrRuO3 thin films"
J. Appl. Phys., 113, 173912 (2013). DOI: 10.1063/1.4803869

W. -T. Chen, M. Mizumaki, T. Saito, and Y. Shimakawa (Cover art picture)
"Frustration relieved ferrimagnetism in novel A- and B-site-ordered quadruple perovskite"
Dalton Transactions, 42, 10116-10120 (2013). DOI: 10.1039/c3dt50489a

K. Matsumoto, D. Kan, N. Ichikawa, S. Hosokawa, H. Kageyama, and Y. Shimakawa
"Oxygen Incorporation into Infinite-Layer Structure AFeO2 (A = Sr, Ca)"
Chem. Lett., 42, 732-734(2013). DOI: 10.1246/cl.130208

H. Wadati, K. Kato, Y. Wakisaka, T. Sudayama, D. G. Hawthorn, T. Z. Regier, N. Onishi, M. Azuma, Y. Shimakawa, T. Mizokawa, A. Tanaka, and G. A. Sawatzky
"Impact of Mn-O-O-Mn superexchange pathways in a honeycomb lattice Mn oxide with small charge-transfer energy"
Solid State Comm., 162, 18-22 (2013). DOI: 10.1016/j.ssc.2013.02.021

T. Tohyama, M. S. Senn, T. Saito, W. -T. Chen, C. C Tang, J. P. Attfield, and Y. Shimakawa (Cover art picture)
"Valence change of A'-site Mn by A-site doping in La1-xNaxMn3Ti4O12"
Chem. Mater., 25, 178-183 (2013). DOI: 10.1021/cm303182u

D. Kan, R. Aso, H. Kurata, and Y. Shimakawa
"Thickness-dependent structure-property relationships in strained (110) SrRuO3 thin films"
Adv. Func. Mater., 23, 112-1136 (2013). DOI: 10.1002/adfm.201202402

S. Zhang, T. Saito, M. Mizumaki, W. -T. Chen, T. Tohyama, and Y. Shimakawa
"Site-Selective Doping Effect in AMn3V4O12 (A = Na+, Ca2+, and La3+)"
J. Am. Chem. Soc., 135, 6056-6060 (2013). DOI: 10.1021/ja308851f

Y. Shimakawa (Invited review article for The CSJ Award for Creative Work) (Back cover picture)
"Reduction and Oxidation of Transition-Metal Oxide Thin Films: Solid State Chemistry with Epitaxially Grown Thin Films"
Bull. Chem. Soc. Jpn., 86, 299-311 (2013). DOI: 10.1246/bcsj.20120277


2012
Y. Shimakawa, W. -T. Chen, and T. Saito
"New A-site ordered perovskite-structure oxides with intriguing functional properties"
Proceeding of the 2012 Powder Metallurgy World Congress, 16F-T14-14/1-6 (2012).

T. Tohyama, T. Saito, and Y. Shimakawa
"Material Design, Synthesis and Magnetic Properties of Novel A-Site-Ordered Perovskites AMn3Al4O12"
Proceeding of the 2012 Powder Metallurgy World Congress, 16F-T14-15/1-6 (2012).

K. Hirai, D. Kan, N. Ichikawa, and Y. Shimakawa
"Epitaxial Growth of Brownmillerite-structure Sr1-xLaxFeO2.5 Thin Films"
Proceeding of the 2012 Powder Metallurgy World Congress, 16F-T14-18/1-6 (2012).

T. Yamamoto, Y. Kobayashi, N. Hayashi, C. Tassel, T. Saito, S. Yamanaka, M. Takano, K. Ohoyama, Y. Shimakawa, K. Yoshimura, and H. Kageyama
"(Sr1-xBax)FeO2 (0.4 < x < 1): A New Oxygen-Deficient Perovskite Structure"
J. Am. Chem. Soc., 134, 11444-11454 (2012). DOI: 10.1021/ja3007403

M. Mizumaki, T. Saito, T. Uozumi, and Y. Shimakawa
"X-Ray Spectroscopic Studies of A-Site Ordered Perovskite LaMn3B4O12(B = V, Cr)"
e-J. Surf. Sci. Nanotech., 10, 575-577 (2012). DOI: 10.1380/ejssnt.2012.575

S. Okubo, T. Ueda, H. Ohta, W. Zhang, T. Sakurai, N. Onishi, M. Azuma, Y. Shimakawa, H. Nakano, and T. Sakai
"Dzyaloshinsky-Moriya interaction and field-induced magnetic order in an antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3) studied by high-field electron spin resonance"
Phys. Rev. B, 86, 140401/1-4 (R) (2012). DOI: 10.1103/PhysRevB.86.140401

K. Oka, T. Koyama, T. Ozaaki, S. Mori, Y. Shimakawa, and M. Azuma
"Polarization rotation in the monoclinic perovskite BiCo1-xFexO3"
Angew. Chem. Int. Ed., 51, 7977-7980 (2012). DOI: 10.1002/anie.201202644

W. T. Chen, T. Saito, N. Hayashi, M. Takano, and Y. Shimakawa
"Ligand-hole localization in oxides with unusual valence Fe"
Sci. Rep., 2, 449/1-6 (2012). DOI: 10.1038/srep00449

Y. W. Long, T. Kawakami, W. T. Chen, T. Saito, T. Watanuki, Y. Nakakura, Q. Q. Liu, C. Q. Jin, and Y. Shimakawa
"Pressure Effect on Intersite Charge Transfer in A-site-Ordered Double-Perovskite-Structure Oxide"
Chem. Mater., 24, 2234-2239 (2012). DOI: 10.1021/cm301267e

D. Kan and Y. Shimakawa
"Geometric-shape-dependent structural transition behavior in (110) SrRuO3 epitaxial thin films"
J. Appl. Phys., 111, 093532/1-5 (2012). DOI: 10.1063/1.4716029

N. Ichikawa, M. Iwanowska, M. Kawai, C. Calers, W. Paulus, and Y. Shimakawa (Cover art picture)
"Reduction and oxidation of SrCoO2.5 thin films at low temperatures"
Dalton Transactions, 41, 10507-10510 (2012). DOI: 10.1039/c2dt30317e

T. Saito, R. Yamada, and Y. Shimakawa
"Magnetic interactions in A-site ordered perovskites LnCu3(Ge3/4Ga1/4)4O12 (Ln = La, Dy)"
Inorg. Chem., 51, 5095-5098 (2012). DOI: 10.1021/ic202582z

N. Onishi, K. Oka, M. Azuma, Y. Shimakawa, Y. Motome, T. Taniguchi, M. Hiraishi, M. Miyazaki, T. Masuda, A. Koda, K. M. Kojima, and R. Kadono
"Magnetic ground state of the frustrated honeycomb lattice antiferromagnet Bi3Mn4O12(NO3)"
Phys. Rev. B, 85, 184412/1-6 (2012). DOI: 10.1103/PhysRevB.85.184412

M. Haruta, K. Kurashima, T. Nagai, H. Komatsu, Y. Shimakawa, H. Kurata, and K. Kimoto
"Visualization of hybridization states with atomic resolution using electron energy loss spectroscopy mapping"
Appl. Phys. Lett., 100, 163107/1-4 (2012). DOI: 10.1063/1.4704558

Chosen to be the "Best of pss" !!
Y. Shimakawa and T. Saito (Invited review article) (Cover art picture)
"A-site magnetism in A-site-ordered perovskite-structure oxides"
Physica Status Solidi B, 249, 423-434 (2012). DOI: 10.1002/pssb.201147477


2011
D. Kan and Y. Shimakawa
"Strain effect on structural transition in SrRuO3 epitaxial thin films"
Crystal Growth & Design, 11, 5483-5487 (2011). DOI: 10.1021/cg201070n

K. Matsumoto, M. Haruta, M. Kawai, A. Sakaiguchi, N. Ichikawa, H. Kurata, and Y. Shimakawa
"Selective reduction of layers at low temperature in artificial superlattice thin films"
Sci. Reprts, 1, 27/1-4 (2011). DOI: 10.1038/srep00027

M. Mizumaki, W. T. Chen, T. Saito, I. Yamada, J. P. Attfield, and Y. Shimakawa
"Direct observation of the ferrimagnetic coupling of A-site Cu and B-site Fe spins in charge-disproportionated CaCu3Fe4O12"
Phys. Rev. B, 84, 094418/1-4 (2011). DOI: 10.1103/PhysRevB.84.094418

D. Kan and Y. Shimakawa
"Controlled cation stoichiometry in pulsed laser deposition-grown BaTiO3 epitaxial thin films with laser fluence"
Appl. Phys. Lett., 99, 081907/1-3 (2011). DOI: 10.1063/1.3628461

T. Saito, T. Tohyama, P. M. Woodward, and Y. Shimakawa
"Material design and high-pressure synthesis of novel A-site-ordered perovskites AMn3Al4O12 (A = Y, Yb, and Dy) with square planar-coordinated Mn3+"
Bull. Chem. Soc. Jpn., 84, 802-806 (2011). DOI: 10.1246/bcsj.20100335

M. Haruta, H. Kurata, K. Matsumoto, S. Inoue, Y. Shimakawa, and S. Isoda
"Local electronic structure analysis for brownmillerite Ca(Sr)FeO2.5 using site-resolved ELNES"
J. Appl. Phys., 110, 033708/1-8 (2011). DOI: 10.1063/1.3610526

M. Azuma, W. T. Chen, H. Seki, M. Czpski, S. Olga, K. Oka, M. Mizumaki, T. Watanuki, N. Ishimatsu, N. Kawamura, S. Ishiwata, M. G. Tucker, Y. Shimakawa, and J. P. Attfield
"Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer"
Nature Comm., 2, 347/1-5 (2011). DOI: 10.1038/ncomms1361

Y. Teng, Y. Kusano, M. Azuma, M. Haruta, and Y. Shimakawa
"Morphology effects of Co3O4 nanocrystals catalyzing CO oxidation in a dry reactant gas stream"
Cryst. Sci. Tech., 1, 920-922 (2011). DOI: 10.1039/c1cy00113b

H. J. Wang, Y. Teng, L. Radhakrishnan, Y. Nemoto, M. Imura, Y. Shimakawa, and Y. Yamauchi
"Mesoporous Co3O4 for Low Temperature CO Oxidation: Effect of Calcination Temperatures on Their Catalytic Performance"
J. Nanosci. Nanotech., 11, 3843-3850 (2011). DOI: 10.1166/jnn.2011.3836

T. Sudayama, Y. Wakisaka, T. Mizokawa, H. Wadati, G. A. Sawatzky, D. G. Hawthorn, T. Z. Regier, K. Oka, M. Azuma, and Y. Shimakawa
"Co-O-O-Co superexchange pathways enhanced by small charge-transfer energy in multiferroic BiCoO3"
Phys. Rev. B, 83, 235105/1-5 (2011). DOI: 10.1103/PhysRevB.83.235105

M. Kubota, K. Oka, Y. Nakamura, H. Yabuta, K. Miura, Y. Shimakawa, and M. Azuma
"Sequential Phase Transitions in Sm Substituted BiFeO3"
Jpn. J. Appl. Phys., 50, 09NE08/1-4 (2011). DOI: 10.1143/JJAP.50.09NE08

Y. Nakamura, M. Kawai, M. Azuma, M. Kubota, M. Shimada, T. Aiba, and Y. Shimakawa
"Rhombohedral-tetragonal structural change and enhanced piezoelectric constant in (1-x)BiFeO3-xBiCoO3 thin films"
IOP Conf. Ser.: Mater. Sci. Eng., 18, 92017/1-4 (2011). DOI: 10.1088/1757-899X/18/9/092017

Y. Nakamura, M. Kawai, M. Azuma, M. Kubota, M. Shimada, T. Aiba, and Y. Shimakawa
"Enhanced piezoelectric constant of (1-x)BiFeO3-xBiCoO3 thin films grown on LaAlO3 substrate"
Jpn. J. Appl. Phys., 50, 31505/1-4 (2011). DOI: 10.1143/JJAP.50.031505

Y. Shimakawa, M. Azuma, and N. Ichikawa (Invited review article)
"Multiferroic compounds with double-perovskite structures"
Materials, 4, 153-168 (2011). DOI: 10.3390/ma4010153


2010
Y. Shimakawa, S. Inoue, M. Haruta, M. Kawai, K. Matsumoto, A. Sakaiguchi, N. Ichikawa, S. Isoda, and H. Kurata
"Topotactic changes in thin films of Brownmillerite SrFeO2.5 grown on SrTiO3 substrates to infinite-layer structure SrFeO2"
Crystal Growth & Design (Communication), 10, 4713 (2010).DOI: 10.1021/cg101133w

K. Matsumoto, M. Haruta, M. Kawai, A. Sakaiguchi, N. Ichikawa, H. Kurata, and Y. Shimakawa
"Artificial superlattice thin film of infinite-layer structure [CaFeO2]/[SrFeO2]"
Appl. Phys. Exp., 3, 10561 (2010).DOI: 10.1143/APEX.3.105601

M. Matsuda, M. Azuma, M. Tokunaga, Y. Shimakawa, and N. Kumada
"Disordered ground state and magnetic field-induced long-range order in an S=3/2 antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3)"
Phys. Rev. Lett., 105, 187201 (2010).DOI: 10.1103/PhysRevLett.105.187201

M. Tokunaga, M. Azuma, and Y. Shimakawa
"High-Field Study of Strong Magnetoelectric Coupling in Single-Domain Crystals of BiFeO3"
J. Phys. Soc. Jpn., 79, 064713 (2010).DOI:10.1143/JPSJ.79.064713

I. Yamada, S. Ishiwata,I. Terasaki, M. Azuma,Y. Shimakawa, and M. Takano
"Synthesis, structure, and physical properties of A-site ordered perovskites ACu3Co4O12 (A=Ca and Y)"
Chem. Mater., 22, 5328 (2010).DOI: 10.1021/cm101671j

Y. W. Long and Y. Shimakawa (Invited review article)
"Intermetallic charge transfer between A-site Cu and B-site Fe in A-site-ordered double perovskites"
New. J. Phys., 12, 063029 (2010).DOI: 10.1088/1367-2630/12/6/063029

T. Saito, W. T. Chen, M. Mizumaki, J. P. Attfield, and Y. Shimakawa
"Magnetic coupling between A' and B sites in A-site-ordered perovskite BiCu3Mn4O12"
Phys. Rev. B, 82, 024426 (2010).DOI: 10.1103/PhysRevB.82.024426

W. T. Chen, Y. W. Long, T. Saito, J. P. Attfield, and Y. Shimakawa
"Charge transfer and antiferromagnetic order in the A-site-ordered perovskite LaCu3Fe4O12"
J. Mater. Chem., 20, 7282 (2010).DOI: 10.1039/c0jm00767f

K. Oka, M. Azuma, W. T. Chen, H. Yusa, A. A. Belik, E. Takayama-Muromachi, M. Mizumaki, N. Ishimatsu, N. Hiraoka, M. Tsujimoto, M. G. Tucker, J. P. Attfield, and Y. Shimakawa
"Pressure-induced spin-state transition in BiCoO3"
J. Am. Chem. Soc., 132, 9438 (2010).DOI: 10.1021/ja102987d

Y. Nakamura, M. Kawai, M. Azuma, and Y. Shimakawa
"Crystal structures and electric properties of (1-x)BiFeO3-xBiCoO3 thin films prepared by chemical solution deposition"
Jpn. J. Appl. Phys., 49, 51501 (2010).DOI: 10.1143/JJAP.49.051501

M. Kawai, K. Matsumoto, N. Ichikawa, M. Mizumaki, O. Sakata, N. Kawamura, S. Kimura, and Y. Shimakawa
"Orientation change of an infinite-layer structure LaNiO2 epitaxial thin film by annealing with CaH2"
Crystal Growth & Design (Communication), 10, 2044 (2010).DOI: 10.1021/cg100178y

Y. Morita, T. Sudayama, K. Takubo, H. Shiraki, T. Saito, Y. Shimakawa, and T. Mizokawa
"Valence fluctuations and correlated metallic states in A-site ordered perovskite oxides ACu3V4O12 (A = Na, Ca, and Y)"
Phys. Rev. B., 81, 165111 (2010).DOI:10.1103/PhysRevB.81.165111

T. Tohyama, T. Saito, M. Mizumaki, A. Agui, and Y. Shimakawa
"Antiferromagnetic interaction between A'-site Mn spins in A-site-ordered perovskite YMn3Al4O12"
Inorg. Chem., 49, 2492 (2010).DOI: 10.1021/ic9024876

S. Inoue, M. Kawai, N. Ichikawa, H. Kageyama, W. Paulus, and Y. Shimakawa
"Anisotropic oxygen diffusion at low temperature in perovskite-structure iron oxides"
Nature Chem., 2, 213-217 (2010).DOI:10.1038/nchem.547

M. Kawai, K. Ito, N. Ichikawa, and Y. Shimakawa
"Thermally formed conducting filaments in a single-crystalline NiO thin film"
Appl. Phys. Lett., 96, 072106 (2010).DOI:10.1063/1.3309709

D. Kan, K. Ito, and Y. Shimakawa
"Local conduction in junctions composed of Pt and single-crystalline Nb-doped SrTiO3"
Thin Solid Films, 518, 3246 (2010).DOI:10.1016/j.tsf.2009.10.165

Y. Teng, S. Yamamoto, Y. Kusano, M. Azuma, and Y. Shimakawa
"One-pot hydrothermal synthesis of uniformly cubic Co3O4 nanocrystals"
Mater. Lett., 64, 239 (2010).DOI:10.1016/j.matlet.2009.10.039


2009
Y. Shimakawa and M. Takano (Invited review article: Dedicated to Professor Martin Jansen on the Occasion of His 65th Birthday)
"Charge Disproportionation and Charge Transfer in A-site Ordered Perovskites Containing Iron"
Z. Anorg. Allg. Chem., 635, 1882 (2009).DOI:10.1002/zaac.200900248

M. Mizumaki, N. Ishimatsu, N. Kawamura, M. Azuma, Y. Shimakawa, M. Takano, and T. Uozumi
"Direct observation of the pressure-induced charge redistribution in BiNiO3 by x-ray absorption spectroscopy"
Phys. Rev., B 80, 233104 (2009).DOI:10.1103/PhysRevB.80.233104

Y.W. Long, T. Saito, M. Mizumaki, A. Agui, and Y. Shimakawa
"Various Valence States of Square-Coordinated Mn in A-Site-Ordered Perovskites"
J. Amer. Chem. Soc., 131, 16244 (2009).DOI:10.1021/ja906668c

M. Haruta, H. Kurata, H. Komatsu, Y. Shimakawa, and S. Isoda
"Site-resolved oxygen K-edge ELNES of the layered double perovskite La2CuSnO6"
Phys. Rev. B, 80, 165123 (2009).DOI:10.1103/PhysRevB.80.165123

H. Kurata, S. Isojima, M. Kawai, Y. Shimakawa, and S. Isoda
"Local analysis of the edge dislocation core in BaTiO3 thin film by STEM-EELS"
J. Microscopy, 236, 128 (2009).DOI:10.1111/j.1365-2818.2009.03265.x

M. Haruta, H. Komatsu, H. Kurata, Y. Shimakawa, and S. Isoda
"HAADF-STEM analysis of layered double perovskite La2CuSnO6 grown epitaxially"
J. Microscopy, 236, 100 (2009).DOI:10.1111/j.1365-2818.2009.03235.x

T. Mizokawa, Y. Morita, T. Sudayama, K. Takubo, I. Yamada, M. Azuma, M. Takano, and Y. Shimakawa
"Metallic versus insulating behavior in the A-site ordered perovskite oxides ACu3Co4O12 (A=Ca and Y) controlled by Mott and Zhang-Rice physics"
Phys. Rev. B, 80, 125105 (2009).DOI:10.1103/PhysRevB.80.125105

Y.W. Long, T. Saito, T. Tohyama, K. Oka, M. Azuma, and Y. Shimakawa
"Intermetallic Charge Transfer in A-Site-Ordered Double Perovskite BiCu3Fe4O12"
Inorg. Chem., 48, 8489 (2009).DOI:10.1021/ic901128k

K. Nishimura, M. Azuma, S. Hirai, M. Takano, and Y. Shimakawa
"Synthesis and Physical Properties of Double Perovskite Pb2FeReO6"
Inorg. Chem., 48, 5962 (2009).DOI:10.1021/ic900297q

M. Kawai, K. Ito, and Y. Shimakawa
"Observation of unipolar resistance switching in a single-crystalline NiO thin film grown on a Pt0.8Ir0.2 electrode"
Appl. Phys. Lett., 95, 012109 (2009).DOI:10.1063/1.3179169

O. Smirnova, M. Azuma, N. Kumada, Y. Kusano, M. Matsuda, Y. Shimakawa, T. Takei, Y. Yonesaki, and N. Kinomura
"Synthesis, crystal structure, and magnetic properties of Bi3Mn4O12(NO3) oxynitrate comprising S=3/2 honeycomb lattice"
J. Am. Chem. Soc., 131, 8313 (2009).DOI:10.1021/ja901922p

M. Haruta, H. Kurata, H. Komatsu, Y. Shimakawa, and S. Isoda
"Effects of electronchanneling in HAADF-STEM intensity in La2CuSnO6"
Ultramicroscopy, 109, 361 (2009).DOI:10.1016/j.ultramic.2009.01.004

Y.W. Long, N. Hayashi, T. Saito, M. Azuma, S. Muranaka, and Y. Shimakawa
"Temperature-induced A-B intersite charge transfer in an A-site-ordered LaCu3Fe4O12 perovskite"
Nature, 458, 60-63 (2009).DOI:10.1038/nature07816

M. Kawai, S. Inoue, M. Mizumaki, N. Kawamura, N. Ichikawa, and Y. Shimakawa
"Reversible changes of epitaxial thin films from perovskite LaNiO3 to infinite-layer-structure LaNiO2"
Appl. Phys. Lett., 94, 082102 (2009).DOI: 10.1063/1.3078276

M. Mizumaki, T. Saito, H. Shiraki, and Y. Shimakawa
"Orbital hybridization and magnetic coupling of the A-site Cu spins in CaCu3B(B=Ti, Ge, and Sn)4O12 perovskites"
Inorg. Chem., 48, 3499 (2009).DOI: 10.1021/ic802166b

S. Yamamoto, N. Kasai, and Y. Shimakawa
"Preparation of monodisperse and spherical Rutile VO2 fine particles"
Chem. Mater., 21, 198 (2009).DOI: 10.1021/cm801570z

K. Oka, M. Azuma, S. Hirai, A.A. Belik, H. Kojitani, M. Akaogi, M. Takano, and Y. Shimakawa
"Pressure-induced 6H Hexagonal to 3C perovskite structure transformation in PbMnO3"
Inorg. Chem., 48, 2285 (2009).DOI: 10.1021/ic802081f

Y. Shimakawa, S. Inoue, M. Kawai, N. Ichikawa, M. Mizumaki, and N. Kawamura
"Single-crystal thin films of SrFeO2 and LaNiO2 with infinite-layer structures"
Mat. Res. Soc. Proc. , 1148E, PP07-08 (2009).DOI: 10.1557/PROC-1148-PP07-08

N. Ichikawa, M. Arai, Y. Imai, K. Hagiwara, H. Sakama, M. Azuma, Y. Shimakawa, M. Takano, Y. Kotaka, M. Yonetani, H. Fujisawa, M. Shimizu, K. Ishikawa, and Y. Cho
"Ferromagnetism and ferroelectricity in BiFeO3/BiCrO3 artificial 1/1 superlattice"
Mat. Res. Soc. Proc. , 1110E, C06-14 (2009).


2008
H. Shiraki, T. Saito, and Y. Shimakawa
"Structural and magnetic properties of A-site-ordered perovskites ACu3Sn4O12 with A=Ca2+, Sr2+, and Pb2+"
Chem. Mater., 20, 7077 (2008).DOI: 10.1021/cm8021209

N. Ichikawa, M. Arai, Y. Imai, K. Hagiwara, H. Sakama, M. Azuma, Y. Shimakawa, M. Takano, Y. Kotaka, M. Yonetani, H. Fujisawa, M. Shimizu, K. Ishikawa, and Y. Cho
"Multiferroism at room temperature in BiFeO3/BiCrO3 (111) artificial superlattice"
Appl. Phys. Express, 1, 101302 (2008).DOI: 10.1143/APEX.1.101302

Y. Shimakawa, H. Shiraki, and T. Saito
"Unusual ferromagnetic-to-antiferromagnetic-to-ferromagnetic transitions in Cu2+ (S=1/2) cubic spin lattice of A-site ordered perovskites"
J. Phys. Soc. Jpn., 77, 113702 (2008).DOI: 10.1143/JPSJ.77.113702

I. Yamada, K. Takata, N. Hayashi, S. Shinohara, M. Azuma, S. Mori, S. Muranaka, Y. Shimakawa, and M. Takano
"A perovskite containing quadrivalent iron as a charge-disproportionated ferrimagnet"
Angew. Chem. Int. Ed., 47, 7032-7035 (2008).DOI: 10.1002/ange.200801482

Y. Shimakawa (Invited review article)
"A-site ordered perovskites with intriguing physical properties"
Inorg. Chem. Mat. Forum, 47, 8562 (2008).DOI: 10.1021/ic800696u

M. Azuma, S. Niitaka, N. Hayashi, K. Oka, M. Takano, H. Funakubo, and Y. Shimakawa
"Rhombohedral-tetragonal phase boundary with high Curie temperature in (1-x)BiCoO3-xBiFeO3 solid solution"
Jpn. J. App. Phys. (FMA special issue), 47, 7579 (2008).DOI: 10.1143/JJAP.47.7579

K. Oka, I. Yamada, M. Azuma, K. Sato, S. Takeshita, A. Koda, R. Kadono, M. Takano, and Y. Shimakawa
"Magnetic ground state of perovskite PbVO3 with large tetragonal distortion"
Inorg. Chem., 47, 7355 (2008).DOI: 10.1021/ic800649a

S. Inoue, M. Kawai, Y. Shimakawa, M. Mizumaki, N. Kawamura, T. Watanabe, Y. Tsujimoto, H. Kageyama, and K. Yoshimura
"Single-crystal epitaxial thin films of SrFeO2 with FeO2 "infinite layers"
App. Phys. Lett., 92, 161911 (2008).DOI: 10.1063/1.2913164

K. Oka, M. Azuma, N. Hayashi, S. Muranaka, Y. Narumi, K. Kindo, S. Ayukawa, M. Kato, Y. Koike, Y. Shimakawa, and M. Takano
"Charge and magnetic orderings in the triangular-lattice antiferromagnet InFe2O4"
J. Phy. Soc. Jpn., 77, 64803 (2008).DOI: 10.1143/JPSJ.77.064803

H. Shiraki, T. Saito, M. Azuma, and Y. Shimakawa
"Metallic Behavior in A-Site-Ordered Perovskites ACu3V4O12 with A = Na+, Ca2+, and Y3+"
J. Phy. Soc. Jpn., 77, 64705 (2008).DOI: 10.1143/JPSJ.77.064705

S.J.E. Carlsson, M. Azuma, Y. Shimakawa, M. Takano, A. Hewat, and J.P. Attfield
"Neutron powder diffraction study of the crystal and magnetic structures of BiNiO3 at low temperature"
J. Solid State Chem., 181, 611-615 (2008).DOI: j.jssc.2007.12.037

Y. Shimakawa (Invited review article)
"Multiferroic Bi2NiMnO6 with a double-perovskite structure: High-pressure synthesized bulk and epitaxially grown thin films"
Mat. Res. Soc. Proc. , 1034E, K04.7.1-10 (2008).DOI: j.jssc.2007.12.037

M. Kawai, D. Kan, S. Isojima, H. Kurata, S. Isod, Y. Shimakawa, S. Kimura, and O. Sakata
"Deposition rate effect on critical thickness of BaTiO3 epitaxial thin film grown on SrTiO3 (001)"
Mat. Res. Soc. Proc. , 1034E, K10.4.1-6 (2008).DOI: 10.1557/PROC-1034-K10-04


2007
M. Kawai, D. Kan, S. Isojima, H. Kurata, S. Isod, Y. Shimakawa, S. Kimura, and O. Sakata
"Critical thickness control by deposition rate for epitaxial BaTiO3 thin films grown on SrTiO (001)"
J. Appl. Phys. , 102, 114311-114314 (2007).DOI: 10.1063/1.2821915

H. Shiraki, T. Saito, T. Yamada, M. Tsujimoto, M. Azuma, H. Kurata, S. Isoda, M. Takano, and Y. Shimakawa
"Ferromagnetic cuprates, CaCu3Ge4O12 and CaCu3Sn4O12, with A-site ordered perovskite structures"
Phys. Rev. B. (Rapid), 460, 420-421 (2007).DOI: 10.1103/PhysRevB.76.140403

M. Azuma, S. Carlsson, J. Rodgers, M.G. Tucker, M. Tsujimoto, S. Ishiwata, S. Isoda, Y. Shimakawa, M. Takano, and J.P. Attfield
"Pressure-induced intermetallic valence transition in BiNiO3"
J. Am. Chem. Soc., 129, 14433-14436 (2007).DOI: 10.1021/ja074880u

Y. Shimakawa, D. Kan, M. Kawai, M. Sakai, S. Inoue, M. Azuma, S. Kimura, and O. Sakata
"Direct observation of B-site ordering in Multiferroic Bi2NiMnO6 thin film"
Jpn. J. Appl. Phys., 46, L845-L847 (2007).DOI: 10.1143/JJAP.46.L845

K. Takata, I. Yamada, M. Azuma, M. Takano, and Y. Shimakawa
"Magnetoresistance and electronic structure of the half-metallic ferrimagnet BiCu3Mn4O12"
Phys. Rev. B., 76, 024429.1-4 (2007).DOI: 10.1103/PhysRevB.76.024429

I. Yamada, M. Azuma, Y. Shimakawa, and M. Takano
"Single crystal growth of A-site deficient superconductor Ca2-xCuO2Cl2"
Physica C, 102, 114311-114314 (2007).DOI: 10.1016/j.physc.2007.03.106

D. Kan, O. Sakata, S. Kimura, M. Takano, and Y. Shimakawa
"Structural characterization of Ar-irradiated SrTiO3 showing room-temperature blue luminescence"
Jpn. J. App. Phys., 46, L471 (2007).DOI: 10.1143/JJAP.46.L471

M. Sakai, A. Masuno, D. Kan, M. Hashisaka, K. Takata, M. Azuma, M. Takano, and Y. Shimakawa
"Multiferroic thin film of Bi2NiMnO6 with ordered double-perovskite structure"
App. Phys. Lett., 90, 072903.1-3 (2007).DOI: 10.1063/1.2539575

T. Saito, A. Williams, J.P. Attfield, T. Wuernisha, T. Kamiyama, S. lshiwata, Y. Takeda, Y. Shimakawa，and M. Takano
"Neutron diffraction study of a layered cobalt oxide SrCo6O11"
J. Mag. Mag. Mat., 310, 1584-1586 (2007).DOI: 10.1016/j.jmmm.2006.10.602

M. Azuma, H. Kanda，A.A. Belik，Y. Shimakawa, and M. Takano
"Magnetic and structural properties of BiFe1-xMnxO3"
J. Mag. Mag. Mat., 310, 1177-1179 (2007).DOI: 10.1016/j.jmmm.2006.10.287


2006
H. Mukuda, Y. Kitaoka, S. Ishiwata，T. Saito, Y. Shimakawa, H. Harima, and M. Takano
"59Co-NMR probe for stepwise magnetization and magnetotransport in SrCo6O11 with metallic Kagome layer and triangular lattice with local momonts"
J. Phys. Soc. Jpn., 75, 094715.1-5 (2006).DOI: 10.1143/JPSJ.75.094715

A.A. BeIik，S. likubo, K. Kodama, N. lgawa, S. Shamoto, S. Niitaka，M. Azuma，Y. Shimakawa, M. Takano, F. Izumj, and E. Takayama−Muromachi
"Neutron powder diffraction study on the crystal and magnetic structure of BiCoO3"
Chem. Mat., 18, 798-803 (2006).DOI: 10.1021/cm052334z

A. Masuno, M. Haruta, M. Azuma, H. Kurata, S. Isoda, M. Takano, and Y. Shimakawa
"Epitaxial growth and B-site cation ordering in layered double perovskite La2CuSnO6 thin films"
App. Phys. Lett., 89, 211913.1-3 (2006).DOI: 10.1063/1.2396892

M. Hashisaka, D. Kan, A. Masuno, M. Takano, Y. Shimakawa, T. Terashima, and K. Mibu
"Epitaxial growth of ferromagnetic La2NiMnO6 with ordered double-perovskite structure"
App. Phys. Lett., 89, 032504.1-3 (2006).DOI: 10.1063/1.2226997

D. Kan, R. Kanda, Y. Kanemitsu, Y. Shimakawa, M. Takano, T. Terashima, and A. Ishizumi
"Blue luminescence from electron-doped SrTiO3"
App. Phys. Lett., 88, 191916-191918 (2006).DOI: 10.1063/1.2202750


2005
I. Yamada, A.A. Belik, M. Azuma, S. Harjo, T. Kamiyama, Y. Shimakawa, and M. Takano
"Single-layer oxychloride superconductor Ca2-xCuO2Cl2 with A-site cation deficiency"
Phys. Rev. B, 72, 224503.1-5 (2005).DOI: 10.1103/PhysRevB.72.224503

Y. Shimakawa, M. Azuma, K. Takata, M. Hashisaka, D. Kan, A. Masuno, M. Sakai, T. Terashima, K. Mibu, and M. Takano (Invited review article)
"New ferromagnetic ferroelectric Bi2NiMnO6 compound with double-perovskite structure"
Proc. in 12th US-Japan Seminar on Dielectric & Piezoelectric Ceramics, , 203-206 (2005).

D. Kan, T. Terashima. R. Kannda, A. Masuno, K. Tanaka, S. Chu, H. Kan, A. Ishizumi, Y. Kanemitsu, Y. Shimakawa, and M. Takano
"Blue-light emission at room temperature from Ar+ -irradiated SrTiO3"
Nature Materials, 4, 816-819 (2005).DOI: 10.1038/nmat1498

D. Kan, T. Terashima, Y. Shimakawa, and M. Takano
"Fabrication and I-V characteristics of p-n junctions composed of high-Tc superconductors and La-doped SrTiO3"
Thin Solid Films, 486, 71-74 (2005).DOI:10.1016/j.tsf.2004.11.218

M. Azuma, K. Takata, T. Saito, S. Ishiwata, Y. Shimakawa, and M. Takano
"A Designed New Ferromagnetic Ferroelectric Bi2NiMnO6"
J. of Am. Chem. Soc., 127, 8889-8892 (2005).DOI:10.1021/ja0512576

S. Yamamoto, M. Takano and Y. Shimakawa
"Synthesis of Submicron-Sized, Monodisperse Spherical V2O5 Particles"
Mat. Res. Soc. Proc., 879E, Z7.14.1-6 (2005).DOI:10.1557/PROC-879-Z7.14

A.A. Belik, M. Azuma, T. Saito, Y. Shimakawa, and M. Takano
"Crystallographic Features and Tetragonal Phase Stability of PbVO3, a New Member of PbTiO3 Family"
Chem. Mat., 17, 269-273 (2005).DOI:10.1021/cm048387i


2004
A. Masuno, T. Terashima, Y. Shimakawa, and M. Takano
"Current-Induced Electroresistive Effect in Mixed-Phase La0.67Ca0.33MnO3 Thin Films "
App. Phys. Lett., 85, 6194-6196 (2004).DOI:10.1063/1.1840114