A comparison of the structural evolution induced by changing the hole-doping level in three series (Hg, Tl)-22(n - 1)n (n = 2, 3) samples

X. J. Wu, A. Tokiwa-Yamamoto, T. Tatsuki, K. Tanabe

研究成果: Review article査読

2 被引用数 (Scopus)

抄録

Three series of (Hg, Tl)-22(n - 1)n (n = 2, 3) samples were synthesized by a high-pressure technique. One series of samples was prepared by substituting Y for the Ca site in (Hg0.7, Tl0.3)2Ba2(Yx, Ca1-x)Cu2O8-2δ (x = 0.4, 0.6, 0.8 and 0.9), while two other series were prepared by annealing (Hg0.7, Tl0.3)2Ba2(Y0.8, Ca0.2)Cu2O8-2δ and (Hg0.6, Tl0.4)2Ba2Ca2Cu3O 10-2δ samples in Ar. The crystal structures of the samples were determined by x-ray Rietveld refinement. The variation tendencies of their lattice parameters as well as several particular inter-planar distances with the change of the hole doping level in these three series were investigated and compared with one another. Based on the comparison, a qualitative explanation for the structural evolution tendency under hole doping for these series was proposed.

本文言語English
ページ(範囲)1079-1089
ページ数11
ジャーナルSuperconductor Science and Technology
13
7
DOI
出版ステータスPublished - 2000 7 1
外部発表はい

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 凝縮系物理学
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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