Fe doping effects on the magnetic and transport properties in La0.67Sr0.33Mn1-xFexO3

被引：10
|
作者：
Zhang, JH [1 ]
Fan, XJ [1 ]
Xiong, CS [1 ]
Li, XG [1 ]
机构：
[1] Univ Sci & Technol China, Dept Mat Sci & Engn, Struct Res Lab, Hefei 230026, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2000年 / 115卷 / 10期
基金：
中国国家自然科学基金;
关键词：
magnetically ordered materials; electronic transport;
D O I：
10.1016/S0038-1098(00)00235-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The X-ray diffraction patterns, susceptibility, electron magnetic resonance and resistivity in La0.67Sr0.33Mn1-xFexO3 have been studied systematically. With increasing Fe concentration, T-c and the shift of resonance field H-r decrease, the resistivity (two resistivity transition peaks were observed in x = 0.07, 0.10) increases, but the lattice constants remain almost unchanged. When x = 0.23, the spill glass-like state is observed and the system behaves insulator-like. The above results strongly suggest that the dopant Fe ions weaken the double exchange interaction. (C) 2000 Published by Elsevier Science Ltd.
引用
收藏
页码：531 / 534
页数：4
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