The effect of Tl substitution for Hg in the Hg-Ba-Cu-O superconductor

被引：0
|
作者：
Nagase, K [1 ]
Nakajima, S
Yokobayashi, H
Oku, T
Syono, Y
机构：
[1] Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, Sendai, Miyagi 98077, Japan
[2] Kyoto Univ, Dept Mat Sci & Engn, Sakyo Ku, Kyoto 60601, Japan
[3] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 98077, Japan
来源：
SUPERLATTICES AND MICROSTRUCTURES | 1998年 / 23卷 / 05期
关键词：
Hg-Ba-Cu-O superconductor; Tl substitution for Hg; La substitution for Ba;
D O I：
10.1006/spmi.1996.0524
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The effect of T1 substitution for Hg in the Hg-Ba-Cu-O system has been investigated for a wide substitution range. A single-layer system was maintained until 50% of T1 substitution, and above 50%, a double-layer system was observed. T1 substitution brought about an overdoping state in the CuO2 plane, probably because (T1O)(+) was introduced for Hg2+. A simple explanation for the change from a single-layer to the double-layer system is presented. (C) 1998 Academic Press Limited.
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页码：1149 / 1153
页数：5
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