EVIDENCE OF ENHANCED ANTIFERROMAGNETISM IN HIGHLY DOPED YBA2(CU1-XFEX)3O6+Y

被引：2
|
作者：
TWIN, AJ
ABELL, JS
HARRIS, IR
机构：
[1] School of Metallurgy and Materials, University of Birmingham, Birmingham
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1992年 / 104卷
关键词：
D O I：
10.1016/0304-8853(92)90948-N
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A detailed study of the high-temperature magnetic susceptibility of the ceramic compound YBa2(Cu1-xFex)3O6+y, where x = 0.03, 0.09 and 0.15, has been undertaken using a Faraday balance. In-situ thermal cycling in a vacuum of 6 x 10(-6) mbar enabled reduction of the oxygen content to low values of y while monitoring the normal state magnetic properties. At increased Fe dopant levels a kink was superimposed on the Curie-Weiss susceptibility at low oxygen contents. This susceptibility anomaly occurred at 400-430 K, the antiferromagnetic ordering temperature of YBa2Cu3O6. The possibility of enhanced antiferromagnetism due to Fe doping is discussed.
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页码：611 / 612
页数：2
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