|
|
|
研究成果
主な公表論文：
| [1] |
Y. Kanemitsu and Y. Yamada,
“Light
emission from SrTiO3”
physica status solidi (b),
248 416-421 (2011). |
| [2] |
Y. Yamada and Y. Kanemitsu,
“Band-to-Band photoluminescence in SrTiO3”
Physical Review B, 82 121103(R) (2010). |
| [3] |
Y. Yamada and Y. Kanemitsu,
“Blue
Photoluminescence of highly photoexcited rutile
TiO2: Nearly degenerate conduction-band effects”
Physical Review B, 82 113103 (2010). |
| [4] |
Y. Koyama, T. Moriyasu, H. Okamura, Y.
Yamada, K. Tanaka, and T. Kohmoto,
“Doping-induced
ferroelectric phase transition in strontium titanate:
Observation of birefringence and coherent phonons under
ultraviolet-illumination”
Physical Review B, 81, 024104
(2010). |
| [5] |
Y. Yamada, H. Yasuda, T. Tayagaki, and
Y. Kanemitsu,
"Photocarrier recombination dynamics in
highly excited SrTiO3 studied by transient
absorption and photoluminescence spectroscopy"
Applied
Physics Letters 95, 12112 (2009). |
| [6] |
Y. Yamada, H. Yasuda, T. Tayagaki, and
Y. Kanemitsu,
"Temperature dependence of photoluminescence
spectra of nondoped and electron-doped SrTiO3:
Crossover from Auger recombination to single-carrier trapping"
Physical Review Letters 102, 247401 (2009). |
| [7] |
H. Yasuda, Y. Yamada, T. Tayagaki, and
Y. Kanemitsu,
"Spatial distribution of carriers in
SrTiO3 revealed by photoluminescence dynamics
measurements"
Physical Review B 78, 233202
(2008). |
| [8] |
Y. Yamada and K. Tanaka,
"Mechanism of Photoinduced Dielectric Response in
Ferroelectric Sr1-xCaxTiO3"
Journal of the Physical Society of Japan 77,
054704/1－054704/10 (2008). |
| [9] |
Y. Yamada and K. Tanaka,
"Photo-induced suppression of ferroelectric transition in
oxygen-isotope-exchanged SrTiO3"
Journal of
Luminescence 112, 259－262 (2005). |
| [10] |
T. Hasegawa, S. Mouri, Y. Yamada, and
K. Tanaka,
"Giant Photo-Induced Dielectricity in
SrTiO3"
Journal of the Physical Society of
Japan 72, 41－44
(2003). |
主な学会発表：
| [1] |
Y. Yamada and Y. Kanemitsu, “Band-edge
luminescence from SrTiO3: No polaron effect”, 7th
International Symposium on Transparent Oxide Thin Films for
Electronics and Optics, (2011), Tokyo, Japan. |
| [2] |
Y. Yamada and Y. Kanemitsu,
“Photocarrier recombination dynamics of SrTiO3”,
SPIE Photonic WEST ’11 International Symposium on “Ultrafast
Phenomena in Semiconductors and Nanostructure XV”, (2011), San
Francisco, USA, (invited). |
| [3] |
Y. Yamada and Y. Kanemitsu, “Blue
light emission from highly photoexcited SrTiO3”,
30th International Conference on the Physics of Semiconductors
(ICPS2010), (2010), Seoul, Korea, (invited). |
| [4] |
Y. Kanemitsu and Y. Yamada, “Light
emission from highly photoexcited SrTiO3 and
electron-doped SrTiO3“, 9th International
Conference on Excitonic and Photonic Processes in Condensed
and Nano Materials (EXCON'10), (2010), Brisbane, Australia
(plenary). |
| [5] |
Y. Yamada, T. Tayagaki, H. Yasuda, and
Y. Kanemitsu, “Blue Photoluminescence of SrTiO3: A
New Probe for Carrier Density“, E-MRS 2009 Spring Meeting,
(2009), Strasbourg, France. |
| [6] |
Y. Yamada and K. Tanaka, “Debye-type
dispersion by photo-excited conductive region in ferroelectric
Sr1-xCaxTiO3.”, 7th
International Conference on Excitonic Processes in Condensed
Matter, (2006), Winston-Salem, USA. |
| [7] |
Y. Yamada and K. Tanaka,
“Photo-Controlled ferroelectric transition in
Sr1-xCaxTiO3” the
International Conference on Quantum Electronics 2005 and the
Pacific Rim Conference on Lasers and Electro-Optics, (2005),
Tokyo, Japan. |
| [8] |
Y. Yamada and K. Tanaka,
“Light-Controlled Ferroelectric order in
Sr1-xCaxTiO3” 6th
International Conference on Excitonic Processes in Condensed
Matter, (2004), Cracow,
Poland. |
|
| |
