Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Nobuyoshi, Sakamoto"'
Autor:
Zhaoshun Gao, Kouji Murakami, Nobuyuki Yoshida, Junichi Kinoshita, Tadahiro Akune, J. Ge, Baorong Ni, Masaru Kiuchi, Edmund Soji Otabe, Yanwei Ma, subaru Setoyama, Lei Wang, Nobuyoshi Sakamoto, Teruo Matsushita, Xianping Zhang, Yanpeng Qi
Publikováno v:
Physica C: Superconductivity. 484:35-38
AC susceptibilities (real χ ′ and imaginary χ ″) of Sr 0.6 K 0.4 Fe 2 As 2 (122 type) polycrystalline with Ag addition are analysed by the grained Bean model. A variety of characteristics, double peak in χ ″ and shoulder transition in χ ′
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::577d6d89aa8be5a71709c57eab2737d3
https://doi.org/10.1016/j.physc.2012.03.018
https://doi.org/10.1016/j.physc.2012.03.018
Autor:
T. Akune, Nobuyoshi Sakamoto
Publikováno v:
IEEE Transactions on Applied Superconductivity. 21:3142-3145
The main cause of the degradation in the oxide superconductors is considered to originate in the inter-granular link region among the superconducting grains. For analytical study of the granular structure, the grained Bean model is proposed, where th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::409a760f7f9b43e3f8be2e4d49aa7e34
https://doi.org/10.1109/tasc.2010.2089670
https://doi.org/10.1109/tasc.2010.2089670
Autor:
Nobuyoshi, Sakamoto
Publikováno v:
工業技術 : 東洋大学工業技術研究所報告 = Industrial technology. 31:45-50
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::e29f70aba52ea00805e86d7bcbc95414
http://id.nii.ac.jp/1060/00002036/
http://id.nii.ac.jp/1060/00002036/
Publikováno v:
Physica C: Superconductivity. 468:1431-1434
In-phase χ n ′ and out-phase χ n ″ components of n th harmonics of AC susceptibility with measuring parameters of a DC magnetic field B dc , an amplitude B a and a frequency f of the superimposed AC magnetic fields give substantial information
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e207056c8ebd5214e05ff324a100e4b8
https://doi.org/10.1016/j.physc.2008.05.134
https://doi.org/10.1016/j.physc.2008.05.134
Publikováno v:
Physica C: Superconductivity. 468:1481-1484
Proximity-currents between filaments in a multifilamentary wire show a close resemblance with the inter-grain current in a high- T c superconductor. The critical current densities of the proximity-induced superconducting matrix J cm can be estimated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::415aba134039b871e59382095b18730a
https://doi.org/10.1016/j.physc.2008.05.143
https://doi.org/10.1016/j.physc.2008.05.143
Publikováno v:
Physica C: Superconductivity and its Applications. :478-481
High- T c ceramics tend to lower its quality by the aging effect. The main cause of the degradation is considered to originate in the link region among the superconducting grains. The preservation and recovery of superconductivity by reinforcement of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b52ca2c48cc9623b1e3e6f03d22eaaca
https://doi.org/10.1016/j.physc.2007.05.042
https://doi.org/10.1016/j.physc.2007.05.042
Autor:
Tadahiro Akune, Y. Matsumoto, K Murakami, K. Higuchi, Y Kimoto, Akihiko Nishida, Nobuyoshi Sakamoto
Publikováno v:
Superconductor Science and Technology. 20:736-741
The magnetic field and temperature dependence of the magnetic hysteresis loop, ?M, for grain-aligned HgRe0.18Ba2Ca2Cu3O8+y specimens have been measured for two directions of field parallel (-axis) and perpendicular (-plane) to the c-axis of the cryst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12271f39a46f7211c10836506fb875b1
https://doi.org/10.1088/0953-2048/20/8/003
https://doi.org/10.1088/0953-2048/20/8/003
Publikováno v:
Journal of Physics: Conference Series. 43:603-608
Theoretical analysis of the irreversibility fields Birr was obtained from the flux creep theory based on a depinning mechanism caused by thermally activated flux creep. Near the critical temperature Tc, the calculated Birr depends on power of ( 1-(T/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3557d91b3b6659d2ca13e0c8ea998c9
https://doi.org/10.1088/1742-6596/43/1/148
https://doi.org/10.1088/1742-6596/43/1/148
Publikováno v:
Physica C: Superconductivity. :726-730
From the shape of magnetization curves, the important superconducting characteristics can be evaluated. The critical current densities, the irreversibility fields and the losses of the superconductors can be estimated from hysteretic curves. Magnetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66f9d41eda3a8c586dce856077a1ef2b
https://doi.org/10.1016/j.physc.2005.01.047
https://doi.org/10.1016/j.physc.2005.01.047
Publikováno v:
Physica C: Superconductivity. :666-670
Effect of grain alignment and Re-doping on the flux-creep phenomena in Hg-1223 superconductors is investigated. Hg-based superconductors of HgBa 2 Ca 2 Cu 3 Re x O y ( x = 0.15 and 0.18) were fabricated by high vacuum sealing and sintering method usi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf26c4387e0be724539dd5f1425aee4c
https://doi.org/10.1016/j.physc.2005.01.043
https://doi.org/10.1016/j.physc.2005.01.043