MAGNETISM AND SUPERCONDUCTIVITY IN DOPED LA2CUO4

被引：31
|
作者：
ODA, M
OHGURO, T
MATSUKI, H
YAMADA, N
IDO, M
机构：
[1] Department of Physics, Faculty of Science, Hokkaido University, Sapporo
来源：
PHYSICAL REVIEW B | 1990年 / 41卷 / 04期
关键词：
D O I：
10.1103/PhysRevB.41.2605
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The temperature (T) dependence of magnetic susceptibility () in (La1-xMx)2CuO4 (M=Sr,Ba) is examined for T<580 K. A broad peak (max) in the -T curve, already reported for a Sr-doped system, is also observed in a Ba-doped one. The temperature exhibiting max decreases with a linear dependence on x and tends rapidly to zero at around x=xc (xc0.12 for M=Sr and 0.1 for M=Ba). For xxc, the monotonically increases with lowering T over the entire T range examined. In both systems, the superconductivity is found to be remarkably suppressed above xc.. AE © 1990 The American Physical Society.
引用
收藏
页码：2605 / 2607
页数：3
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