Critical Current Property and Irreversibility Line in Superconducting Hg-1212

Autor:	Edmund Soji Otabe, Toshio Umemura, M. Nozue, Shoji Miyashita, K. Noda, Fusaoki Uchikawa, Teruo Matsushita, Hiroko Higuma
Rok vydání:	1995
Předmět:	Superconductivity Materials science Condensed matter physics Field (physics) Condensed Matter::Superconductivity History effect Critical current Anisotropy Oxide superconductors Line (formation)
Zdroj:	Advances in Superconductivity VII ISBN: 9784431685371
DOI:	10.1007/978-4-431-68535-7_111
Popis:	Recently discovered Hg-based oxide superconductors are found to be less anisotropic than Bi-based ones and expected to have superior irreversible properties. In order to investigate the irreversible property in this material, the critical current density and the irreversibility line in sintered bulk Hg-1212 specimens are measured. The history effect of the critical current density due to the weak link property between grains is observed. The obtained irreversibility field is compared with the results for other various superconductors and it is found that the irreversibility field is as low as that in Bi-2223 superconductors. This result indicates that the superconductivity in the sintered Hg-1212 is as strongly two-dimensional as Bi-2223.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ced25a1edfbc88ca6f4c751d0ba3ef0b https://doi.org/10.1007/978-4-431-68535-7_111 Zobrazit plný text záznamu