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

doi:10.1088/0953-2048/13/7/330

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

Research output: Contribution to journal › Review article › peer-review

2 Citations (Scopus)

Abstract

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 (Hg_0.7, Tl_0.3)₂Ba₂(Y_x, Ca_1-x)Cu₂O_8-2δ (x = 0.4, 0.6, 0.8 and 0.9), while two other series were prepared by annealing (Hg_0.7, Tl_0.3)₂Ba₂(Y_0.8, Ca_0.2)Cu₂O_8-2δ and (Hg_0.6, Tl_0.4)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.

Original language	English
Pages (from-to)	1079-1089
Number of pages	11
Journal	Superconductor Science and Technology
Volume	13
Issue number	7
DOIs	https://doi.org/10.1088/0953-2048/13/7/330
Publication status	Published - 2000 Jul 1
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0953-2048/13/7/330

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title = "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",

abstract = "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.",

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T1 - 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

AU - Wu, X. J.

AU - Tokiwa-Yamamoto, A.

AU - Tatsuki, T.

AU - Tanabe, K.

PY - 2000/7/1

Y1 - 2000/7/1

N2 - 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.

AB - 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.

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JO - Superconductor Science and Technology

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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

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