Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Seiya Ogota"'
Autor:
Yuji Yaegashi, Seiya Ogota, Kazuyuki Isawa, Shiroshi Sudo, Hisao Yamauchi, M. Nagano, Kazuyoshi Yamada
Publikováno v:
Physical Review B. 57:7950-7954
The thermoelectric power of triangle planar cuprates, $R{\mathrm{CuO}}_{2+\mathrm{\ensuremath{\delta}}}$ $(\ensuremath{\delta}g~0.5),$ of the delafossite-type with various rare-earth elements $R:$ Y, La, Pr, Nd, Sm, and Eu has been studied. The therm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ca02767c720ff9f6d96c4cc330c6ade
https://doi.org/10.1103/physrevb.57.7950
https://doi.org/10.1103/physrevb.57.7950
Publikováno v:
Applied Surface Science. 115:180-184
The surface termination layer of c-axis oriented NdBa2Cu3Oy thin films deposited by laser ablation process has been studied by a developed TRAXS method, described as glancing incidence-exit X-ray scattering (GIEXS). Using the SrTiO3 substrate termina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17e24a06929048a623ebf68bfb753231
https://doi.org/10.1016/s0169-4332(97)80202-4
https://doi.org/10.1016/s0169-4332(97)80202-4
Publikováno v:
Journal of Applied Physics. 74:436-439
The very first stage of the growth of c‐axis oriented Y1Ba2Cu3O7−x films prepared by coevaporation of metallic constituents on MgO(100) was examined in situ by new surface sensitive x‐ray spectroscopy. Using reflection high‐energy electron di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09b4be0c02d75b85e7d9be4952510f03
https://doi.org/10.1063/1.354129
https://doi.org/10.1063/1.354129
Autor:
Masayoshi Ohashi, Yuji Yaegashi, Kazuyuki Isawa, Seiya Ogota, M. Nagano, Kazuyoshi Yamada, Shiroshi Sudo
Publikováno v:
Advances in Superconductivity X ISBN: 9784431668817
We have refined the structural parameters of delafossite-type cuprates, i. e. (Y0. 95Ca0.05)CuO2. 02 and LaCuO2.02 as well as the derived phases containing excess oxygen, i. e. (Y0. 95Ca0.05)CuO2. 49 and LaCuO2.64 from powder neutron diffraction data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe511b009c46f17f5cff9d4ac5afe966
https://doi.org/10.1007/978-4-431-66879-4_92
https://doi.org/10.1007/978-4-431-66879-4_92
Publikováno v:
SPIE Proceedings.
The surface atomic layer of c-axis oriented RBa2Cu3Oy (R equals Nd, Y) thin films deposited by laser ablation process and SrTiO3 (001) single crystal has been studied by using the method of glancing incidence-exit x-ray diffuse scattering (GIEXS). Ut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::078e4754a7bfa3990053269f225abb70
https://doi.org/10.1117/12.241807
https://doi.org/10.1117/12.241807
Publikováno v:
Advances in Superconductivity VIII ISBN: 9784431668732
The surface atomic layer of c-axis oriented RBa2Cu3Oy (R=Nd,Y) thin films deposited by laser ablation process has been studied by means of glancing incident and exiting x-ray(GI-EX). Utilizing the GI-EX method we have correctly identified the topmost
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a4379a03380ab63da11f6aa2fba2736
https://doi.org/10.1007/978-4-431-66871-8_234
https://doi.org/10.1007/978-4-431-66871-8_234
Publikováno v:
Advances in Superconductivity IV ISBN: 9784431681977
Films of Y-Ba-Cu-O have been prepared in an argon-oxygen atmosphere by dc magnetron sputtering using a single sintered target with a Ba-poorer composition than stoichiometry. The total gas pressure is 300 mtorr and the oxygen pressure is adjusted in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1a1c7aa58431fa8f74ed6f4037385db
https://doi.org/10.1007/978-4-431-68195-3_144
https://doi.org/10.1007/978-4-431-68195-3_144
Autor:
Shuji Hanada, S. Kamada, K. Hamada, K. Sugawara, M. Nagano, Seiya Ogota, C. Takahashi, M. Komatsu, A. Nagata
Publikováno v:
Advances in Superconductivity IV ISBN: 9784431681977
We report measurements of applied magnetic field dependence of Jc and microstructure of Ag-sheathed Bi-Pb-Sr-Ca-Cu-O superconducting tapes which were prepared by a conventional solid state reaction, rolling and pressing. The measurements of Jc at 4.2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb135f6efab1c6c91fa50fe9263d0edc
https://doi.org/10.1007/978-4-431-68195-3_136
https://doi.org/10.1007/978-4-431-68195-3_136
Autor:
H. Takahashi, Hiroshi Morita, Mitsumasa Suzuki, M. Nagano, Seiya Ogota, C. Takahashi, Kazuyuki Isawa
Publikováno v:
Advances in Superconductivity III ISBN: 9784431681434
Experimental studies on the angular dependences of resistive transition and transport critical current density (Jc) under magnetic fields have been carried out on thin film of YBaCuO. Investigated samples are c-axis oriented polycrystalline films pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dde9b942da1cbadd86b385b96c51b6ff
https://doi.org/10.1007/978-4-431-68141-0_198
https://doi.org/10.1007/978-4-431-68141-0_198
Autor:
H. Takahashi, Kazuyuki Isawa, S. Kamada, Seiya Ogota, K. Hamada, M. Nagano, K. Sugawara, C. Takahashi, A. Nagata
Publikováno v:
Advances in Superconductivity III ISBN: 9784431681434
We report measurements on the magnetic field dependence of transport critical current density(Jc) and the angular dependence of Jc in bulk ceramic samples of high-Tc superconductors in the magnetic field(B) up to 8 T. The raw superconducting material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd9a51df16e5852786365bdc02abaf95
https://doi.org/10.1007/978-4-431-68141-0_188
https://doi.org/10.1007/978-4-431-68141-0_188