Irreversibility line for a Pb-doped Hg-Ba-Ca-Cu-O superconductor

Kazuyuki Isawa, Takamitsu Higuchi, Takato MacHi, Ayako Tokiwa-Yamamoto, Seiji Adachi, Masato Murakami, H. Yamauchi

研究成果: Article

22 被引用数 (Scopus)

抄録

By measuring the magnetization hysteresis, we studied the critical current density, Jc, and irreversibility fields, Hirr, of a c-axis aligned Hg-Ba-Ca-Cu-O sample doped with Pb containing the Hg-1223 phase as the main phase. Anisotropy in ΔM was clearly observed in two different magnetic field directions. Even though the Hg-1223 phase contains three CuO 2 sheets, the Hirr vs [1-(T/Tc)] curve was located at roughly the same positions as those reported for the Hg-1201 and Hg-1212 phases, indicating that the higher Tc phase, i.e., Hg-1223, is advantageous to the other phases in practical uses.

元の言語English
ページ(範囲)1301-1303
ページ数3
ジャーナルApplied Physics Letters
64
発行部数10
DOI
出版物ステータスPublished - 1994 12 1
外部発表Yes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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