2005

H. Hiramatsu, K. Ueda, H. Ohta, T. Kamiya, M. Hirano and H. Hosono
“Excitonic blue luminescence from p-LaCuOSe/n-InGaZn₅O₈ light-emitting diode at room temperature”
Appl. Phys. Lett. 87 (2005) 211107.1-3

K. Ueda, H. Hosono and N. Hamada
“Valence-band structures of layered oxychalcogenides, LaCuOCh (Ch=S, Se, and Te), studied by ultraviolet photoemission spectroscopy and energy band calculations ”
J. Appl. Phys. 98 (2005) 043506.1-7

T. Kamiya, K. Ueda, H. Hiramatsu, H. Kamioka, H. Ohta, M. Hirano and H. Hosono
“Two-dimensional electronic structure and multiple excitonic states in layered oxychalcogenide semiconductors, LaCuOCh(Ch=S, Se, Te): Optical properties and relativistic ab initio study ”
Thin Solid Films 486 (2005) 98-103

M. Yasukawa, K. Ikeuchi, T. Kono, K. Ueda, and H. Hosono
“Thermoelectric properties of delafossite-type layered oxides AgIn_1-xSn_xO₂ ”
J. Appl. Phys. 98 (2005) 013706.1-4

H. Hiramatsu, H. Kamioka, K. Ueda, M. Hirano and H. Hosono
“Electrical and photonic functions originating from low-dimensional structures in wide-gap semiconductors LnCuOCh (Ln=lanthanide, Ch=chalcogen): a review
J. Ceram. Soc. Japan 113 (2005) 10-16

H. Kamioka, H. Hiramatsu, M. Hirano, K. Ueda, T. Kamiya and H. Hosono
“Excitonic properties related to valence band levels split by spin-orbit interaction in layered oxychalcogenide LaCuOCh(Ch=S,Se)”
J. Lumin. 112 (2005) 66-70

T. Kamiya, S. Narushima, H. Mizoguchi, K. Shimizu, K. Ueda, H. Ohta, M. Hirano and H. Hosono
“Electrical properties and structure of p-type amorphous oxide semiconductor xZnO-Rh₂O₃ ”
Adv. Funct. Mater. 15 (2005) 968

T. Maeda, K. Ueda
Synthesis and electrical properties of impurities doped Sr_２TiO₄
2005 CSJ West Japan Convention
Oct. 23, 2005　Yamaguchi University (Ube city)

K. Ozaki, K. Ueda, K. Shimooka, S. Kohiki
Optical and electrical properties of Sr_n+1(Ti_1-xMn_x)_nO_3n+1(n=1,∞)
2005 CSJ West Japan Convention
Oct. 23, 2005　Yamaguchi University (Ube city)

K. Furui, K. Ueda
Electrical respons to reducing gases in layered Oxysulfide LaCuOS
2005 CSJ West Japan Convention
Oct. 22, 2005　Yamaguchi University (Ube city)

K. Furui, K. Ueda
Electrical respons to reducing gases in Cu-containing layered conpound
42th Chemical-related branch Kyushu Convention
July 02, 2005　Kitakyushu international conference hall

K. Ozaki, K. Ueda, K. Shimooka, S. Kohiki
Optocal and magnetic properties of Mn doped Sr_n+1Ti_nO_3n+1(n=1,∞)
42th Chemical-related branch Kyushu Convention
July 02, 2005　Kitakyushu international conference hall

K. Nakayashiki, K. Ueda
Preparation of transparent conductive impurity doped TiO_２ thin films.
42th Chemical-related branch Kyushu Convention
July 02, 2005　Kitakyushu international conference hall

T. Maeda, K. Ueda
Synthesis and electrical properties of La or Nb doped Sr_２TiO₄
42th Chemical-related branch Kyushu Convention
July 02, 2005　Kitakyushu international conference hall

K. Ueda, H. Yanagi, K. Takatou, T. Kamiya, H. Hosono
Photoelectron spectrum of layered Oxyselenide CdCuOSe
CSJ 2005 convention
March 25, 2005 Okayama University

K. Furui, K. Ueda
Electrical respons to reducing gases in layered Oxysulfide LaCuOS
CSJ 2005 convention
March 24, 2005 Okayama University

T. Maeda, K. Ueda
Synthesis and electrical properties of La doped Sr_２TiO₄
CSJ 2005 convention
March 23, 2005 Okayama University

K. Ozaki, K. Ueda, K. Shimooka, S. Kohiki
Optocal and magnetic properties of Sr_n+1Ti_1-xMn_xO_3n+1(n=1,∞)
CSJ 2005 convention
March 23, 2005 Okayama University

K. Ueda
“Transparent conducting properties in layered oxychalcogenides”
6^th Pacific Rim Conference on Ceramic & Glass Technology (PACRIM6)
(Sept 13, 2005) in Hawaii (USA)

K. Ueda
“Wide-gap layered oxychalcogenide semiconductors: materials, electronic structures and optoelectronic properties”
4th International Symposium on Transparent Oxide Thin Films for Electronics and Optics (TOEO-4)
(April 8, 2005) in Tokyo (Japan)