Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Teruyoshi Unesaki"'
Autor:
Jun Takada, Naoichi Yamamoto, Masao Kiyama, Y. Miura, Hitoshi Kitaguchi, Yoichi Tomii, Akiyoshi Osaka, Teruyoshi Unesaki, Yoshio Oka
Publikováno v:
Journal of the Japan Society of Powder and Powder Metallurgy. 34:651-658
High-Tc superconductor YBa2Cu3Ox(x ≈ 6.8) reacts upon water to decompose. In order to clarify the process of decomposition, the microstructure of the YBC ceramics was studied by means of X-ray diffraction and EPMA after the reaction with water unde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e79abd998ff17ee490dc92b72be4484
https://doi.org/10.2497/jjspm.34.651
https://doi.org/10.2497/jjspm.34.651
Autor:
Yoshio Oka, Hiromasa Mazaki, Jun Takada, Yoshinari Miura, Yasuo Takeda, Yoichi Tomii, Hitoshi Kitaguchi, Akiyoshi Osaka, Teruyoshi Unesaki, Mikio Takano, Yasunori Ikeda, Yoshichika Bando, Kiichi Oda, Naoichi Yamamoto
Publikováno v:
Journal of the Japan Society of Powder and Powder Metallurgy. 35:424-427
Partial substitution of Pb for Bi in the Bi-Sr-Ca-Cu-O system has been found to increase sharply the volume fraction of the high-Tc phase when both the starting materials, coprecipitated oxalate being used in the present study, and the heating proces
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9230c3fd20e33a9f950d66577d48359
https://doi.org/10.2497/jjspm.35.424
https://doi.org/10.2497/jjspm.35.424
Autor:
Kozo Osamura, Tomoo Takayama, Wei Zhang, Shojiro Ochiai, Yoichi Tomii, Teruyoshi Unesaki, Isamu Nakagawa
Publikováno v:
Japanese Journal of Applied Physics. 27:L417
The microstructure of a Y2Ba3Cu5O y superconducting mixed-phase material with a critical temperature of 88 K was examined with a scanning electron microscope from room temperature to 85 K. Two regions were observed: a dark region constituted of super
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b25b603f5638057d100b4d2743a69895
https://doi.org/10.1143/jjap.27.l417
https://doi.org/10.1143/jjap.27.l417
Publikováno v:
Physica Status Solidi. A: Applications & Materials Science; May2012, Vol. 209 Issue 5, p945-948, 4p