Doping states of Hg-based superconducting cuprates

Seiji Adachi, Ayako Tokiwa-Yamamoto, Makoto Itoh, Kazuyuki Isawa, H. Yamauchi, Hiroki Takahashi, Nobuo Mori

研究成果: Conference article

抜粋

Annealing effects on the lattice parameters, a and c, and superconducting critical temperatures, Tc, of the Hg-Ba-Ca-Cu-O superconductors were investigated. Strong correlations were found in the Tc vs. a and c relationships for the Hg-1201 phase. This implies that a Hg-1201 sample in either 'under-doped' or 'over-doped' state can be prepared. For the Hg-1212 and 1223 phases, no strong correlations were seen in the Tc vs. a and c relationships. All the Hg-1223 samples presently prepared seemed to be in 'underdoped' states, because annealing treatments in an oxygen gas enhanced their Tc's and also applied pressures greatly increased Tc's.

元の言語English
ページ(範囲)80-83
ページ数4
ジャーナルDenshi Gijutsu Sogo Kenkyusho Iho/Bulletin of the Electrotechnical Laboratory
58
発行部数6
出版物ステータスPublished - 1994 12 1
外部発表Yes
イベントProceedings of ETL Workshop on High Temperature Superconductors - Tsukuba, Jpn
継続期間: 1993 12 61993 12 8

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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  • これを引用

    Adachi, S., Tokiwa-Yamamoto, A., Itoh, M., Isawa, K., Yamauchi, H., Takahashi, H., & Mori, N. (1994). Doping states of Hg-based superconducting cuprates. Denshi Gijutsu Sogo Kenkyusho Iho/Bulletin of the Electrotechnical Laboratory, 58(6), 80-83.