Kosuke Kosuda
National Institute for Materials Science
11 Papers
89 Citations
Kosuke Kosuda is an academic researcher from National Institute for Materials Science. The author has contributed to research in topics: Seebeck coefficient & Magnetic susceptibility. The author has an hindex of 4, co-authored 11 publications. Previous affiliations of Kosuke Kosuda include McMaster University.
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Papers
Eu0.56Ta2O7: A New Nanosheet Phosphor with the High Intrananosheet Site Photoactivator Concentration
Tadashi C. Ozawa,Katsutoshi Fukuda,Kosho Akatsuka,Yasuo Ebina,Takayoshi Sasaki,Keiji Kurashima,Kosuke Kosuda +6 more
TL;DR: In-plane X-ray diffraction and TEM and AFM observation results indicate that the Eu0.56Ta2O7 nanosheet is crystalline and retains the layered perovskite structural feature of the bulk precursors.
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New misfit-layered cobalt oxide (CaOH)1.14CoO2
Mitsuyuki Shizuya,Masaaki Isobe,Y. Baba,Takuro Nagai,Minoru Osada,Kosuke Kosuda,Satoshi Takenouchi,Yoshio Matsui,Eiji Takayama-Muromachi +8 more
TL;DR: In this article, the authors synthesize a new cobalt oxide (CaOH) 1.14 CoO 2 by utilizing a high-pressure technique and X-ray and electron diffraction studies revealed that the compound has a layered structure that consists of CdI 2 -type CoO2 layers and rock-salt-type double CaOH atomic layers.
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Synthesis, Crystal and Electronic Structures of New Narrow-Band-Gap Semiconducting Antimonide Oxides RE3SbO3 and RE8Sb3−δO8, with RE = La, Sm, Gd, and Ho
TL;DR: In the search for high-temperature thermoelectric materials, two families of novel, narrow-band-gap semiconducting antimonide oxides with the compositions RE(3)SbO( 3) and RE(8)SB(3-delta)O( 8) have been discovered.
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Synthesis, crystal structure, and physical properties of the Gd 3 BiO 3 and Gd 8 Bi 3 O 8 phases
TL;DR: The second and third known rare-earth bismuthide oxides, Gd3BiO3 and Gd8Bi3O8, have been discovered via high temperature reactions at 1300°C as mentioned in this paper.
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A bona fide two-dimensional percolation model: an insight into the optimum photoactivator concentration in La 2/3 x Eu x Ta 2 O 7 nanosheets
Tadashi C. Ozawa,Katsutoshi Fukuda,Yasuo Ebina,Kosuke Kosuda,Akira Sato,Yuichi Michiue,Keiji Kurashima,Takayoshi Sasaki +7 more
TL;DR: The absolute photoluminescence quantum efficiency of the La2/3−xEuxTa2O7 nanosheets increases as the experimentally determined Eu contents increase up to x=0.45 and decrease above it, in good agreement with the optimum photoactivator concentration expected from the percolation theory.
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