METAL-SEMICONDUCTOR-TRANSITION AND SPIN-GLASS PROPERTIES OF LA(2-X)/3BA(1+X)/3MN1-XCUXO3

被引：96
|
作者：
VONHELMOLT, R [1 ]
HAUPT, L [1 ]
BARNER, K [1 ]
SONDERMANN, U [1 ]
机构：
[1] UNIV MARBURG,INST MINERAL,W-3550 MARBURG,GERMANY
来源：
SOLID STATE COMMUNICATIONS | 1992年 / 82卷 / 09期
关键词：
Copper Oxides - Ferromagnetic Materials - Glass - Magnetization - Solids;
D O I：
10.1016/0038-1098(92)90062-E
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Curie-temperature and saturation magnetization of the metallic ferromagnetic perovskite La2/3Ba1/3MnO3 decreases, when manganese is substituted by copper. If the content of copper exceeds 20%, a transition to a semiconducting state occurs, which shows spin-glass-like properties at low temperatures. The semiconducting behaviour seems to be connected with the magnetic disorder, which leads to a localization of charge carriers.
引用
收藏
页码：693 / 696
页数：4
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