論文 - 植田 和茂
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Photoluminescence properties of Pr doped and Tb-Mg codoped CaSnO3 with Perovskite structure 査読有り
K. Goto,Y. Nakachi,K. Ueda
Thin Solid Films 516 5885 - 5889 2008年04月
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Blue photoluminescence in Ti-doped alkaline-earth stannates 査読有り
T. Yamashita,K. Ueda
J. Solid State Chem. 180 1410 - 1413 2007年04月
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Optoelectronic properties and electronic structure of YCuOSe 査読有り
K. Ueda,K. Takafuji,H. Yanagi,T. Kamiya,H. Hosono,H. Hiramatsu,M. Hirano and N. Hamada
J. Appl. Phys. 102 113714.1 - 6 2007年04月
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Heavy hole doping of epitaxial thin films of a wide gap p-type semiconductor, LaCuOSe, and analysis of the effective mass 査読有り
H. Hiramatsu,K. Ueda,H. Ohta,M. Hirano,M. Kikuchi,H. Yanagi,T. Kamiya and H. Hosono
Appl. Phys. Lett. 91 012104.1 - 3 2007年04月
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Wide-gap layered oxychalcogenide semiconductors: Materials, electronic structures and optoelectronic properties 査読有り
K. Ueda,H. Hiramatsu,M. Hirano,T. Kamiya and H. Hosono
Thin Solid Films 496 8 - 8 2006年04月
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Red photoluminescence in praseodymium-doped titanate perovskite films epitaxially grown by pulsed laser deposition 査読有り
H. Takashima,K. Ueda,M. Itoh
Appl. Phys. Lett. 89 261915 - 261915 2006年04月
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Green, Orange, and Magenta Luminescence in Strontium Stannates with Perovskite-Related Structures 査読有り
K. Ueda,T. Yamashita,K. Nakayashiki,K. Goto,T. Maeda,K. Furui,K. Ozaki,Y. Nakachi,S. Nakamura,M. Fujisawa and T. Miyazaki
Jpn. J. Appl. Phys. 45 6981 - 6981 2006年04月
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Opto-electronic properties and light-emitting device application of widegap layered oxychalcogenides: LaCuOCh (Ch = chalcogen) and La2CdO2Se2 査読有り
H. Hiramatsu,H. Kamioka,K. Ueda,H. Ohta,T. Kamiya,M. Hirano and H. Hosono
Phys. Stat. Sol. (a) 203 2800 - 2800 2006年04月
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Two-dimensional electronic structure and multiple excitonic states in layered oxychalcogenide semiconductors, LaCuOCh(Ch=S, Se, Te): Optical properties and relativistic ab initio study 査読有り
T. Kamiya,K. Ueda,H. Hiramatsu,H. Kamioka,H. Ohta,M. Hirano and H. Hosono
Thin Solid Films 486 98 - 103 2005年04月
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Excitonic blue luminescence from p-LaCuOSe/n-InGaZn5O8 light-emitting diode at room temperature 査読有り
H. Hiramatsu,K. Ueda,H. Ohta,T. Kamiya,M. Hirano and H. Hosono
Appl. Phys. Lett. 87 211107.1 - 3 2005年04月
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Electrical properties and structure of p-type amorphous oxide semiconductor xZnO-Rh2O3 査読有り
T. Kamiya,S. Narushima,H. Mizoguchi,K. Shimizu,K. Ueda,H. Ohta,M. Hirano and H. Hosono
Adv. Funct. Mater. 15 968 - 968 2005年04月
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Valence-band structures of layered oxychalcogenides, LaCuOCh (Ch=S, Se, and Te), studied by ultraviolet photoemission spectroscopy and energy band calculations 査読有り
K. Ueda,H. Hosono and N. Hamada
J. Appl. Phys. 98 043506.1 - 7 2005年04月
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Excitonic properties related to valence band levels split by spin-orbit interaction in layered oxychalcogenide LaCuOCh(Ch=S,Se) 査読有り
H. Kamioka,H. Hiramatsu,M. Hirano,K. Ueda,T. Kamiya and H. Hosono
J. Lumin. 112 66 - 66 2005年04月
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Thermoelectric properties of delafossite-type layered oxides AgIn1-xSnxO2 査読有り
M. Yasukawa,K. Ikeuchi,T. Kono,K. Ueda,and H. Hosono
J. Appl. Phys. 98 (2005) 013706.1-4 98 013706.1 - 4 2005年04月
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Electrical and photonic functions originating from low-dimensional structures in wide-gap semiconductors LnCuOCh (Ln=lanthanide, Ch=chalcogen): a review 査読有り
H. Hiramatsu,H. Kamioka,K. Ueda,M. Hirano and H. Hosono
J. Ceram. Soc. Japan 113 10 - 10 2005年04月
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Energy band structure of LaCuOCh (Ch=S, Se and Te) calculated by the full-potential linearized augmented plane-wave method 査読有り
K. Ueda,H. Hosono and Noriaki Hamada
J. Phys.: Condens. Matter 16 5179 - 5179 2004年04月
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Thermoelectric properties of layered oxyselenides La1-xSrxCuOSe 査読有り
M. Yasukawa,K. Ueda,and H. Hosono
J. Appl. Phys. 95 3594 - 3594 2004年04月
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Optical properties of two-dimensional electronic structure in wide-gap layered oxychalcogenide: La2CdO2Se2 査読有り
H. Hiramatsu,K. Ueda,T. Kamiya,H. Ohta,M. Hirano and H. Hosono
J. Phys. Chem. B 108 17344 - 17351 2004年04月
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Single-atomic-layered quantum wells built in wide-gap semiconductors LnCuOCh (Ln=lanthanide, Ch=chalcogen) 査読有り
K. Ueda,H. Hiramatsu,H. Ohta,M. Hirano,T. Kamiya,and H. Hosono
Phys. Rev. B 69 155305 - 155305 2004年04月
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Fabrication of heteroepitaxial thin films of layered oxychalcogenides LnCuOCh (Ln=La-Nd; Ch=S-Te) by reactive solid-phase epitaxy 査読有り
H. Hiramatsu,K. Ueda,K. Takafuji,H. Ohta,M. Hirano,T. Kamiya and H. Hosono
J. Mater. Res. 19 2137 - 2137 2004年04月