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

W. -T. Chen, M. Mizumaki, T. Saito, and Y. Shimakawa
"Frustration relieved ferrimagnetism in novel A- and B-site-ordered quadruple perovskite"
Dalton Transactions, in press,  (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., in press,  (2013). DOI:

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

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

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

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: 10.1038/srep00449

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: 10.1002/anie.201202644

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).

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).

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).

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).

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).

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).

T. Saito, W. T. Chen, M. Mizumaki, A. Agui, 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).

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).

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).

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).

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).

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).

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).

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 (2010).

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).

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).

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).


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).

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).

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).

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).

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).

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).

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).

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).

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

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).

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).

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

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 (2009).

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).

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).

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

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).

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).

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).

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).

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).

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 (2008).

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

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).

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).

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).

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).

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).

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).

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).

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).


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).

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).

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).

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).

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).

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).

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).

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).

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).

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).


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).

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).

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).

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).

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).


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).

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).

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).

S. Ishiwata, M. Azuma, M. Hanawa, Y. Moritomo, Y. Ohishi, K. Kato, M. Takata, E. Nishibori, M. Sakata, I. Terasaki, and M. Takano
"Pressure/temperature/substitution-induced melting of A-site charge disproportionation in Bi1-xLaxNiO3 (0-x-0.5)"
Phys. Rev. B, 72, 144411.1-5 (2005).

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).

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).

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).


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).

M. Azuma, H. Yoshida, T. Saito, T. Yamada, and M. Takano
"Pressure-Induced Buckling of Spin Ladder in SrCu2O3"
J. Am. Chem. Soc., 126, 8244-8246 (2004).

A.A. Belik, M. Azuma, and M. Takano
"Magnetic Properties of Some Cu-Containing Phosphates"
J. Mag. Mag. Mat., 272-276, Part 2 937-938 (2004).

A.A. Belik, M. Azuma, and M. Takano
"Characterization of Quasi-One-Dimensional S=1/2 Heisenberg Antiferromagnets Sr2Cu(PO4)2 and Ba2Cu(PO4)2 with Magnetic Susceptibility, Specific Heat, and Thermal Analysis"
J. Solid State Chem., 177, 883-888 (2004).