MAGNETORESISTANCE IN ORDERED AND DISORDERED FE72AL28 ALLOY

被引：6
|
作者：
SCHNEEWEISS, O
ZAK, T
VONDRACEK, M
机构：
[1] ACAD SCI CZECH REPUBL, INST PHYS MET, ZIZKOVA 22, CS-61662 BRNO, CZECHOSLOVAKIA
[2] MASARYK UNIV, FAC SCI, CS-61137 BRNO, CZECHOSLOVAKIA
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1993年 / 127卷 / 1-2期
关键词：
D O I：
10.1016/0304-8853(93)90191-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
On the Fe-Al alloy near the Fe3Al stoichiometry the magnetoresistance and hysteresis loops were measured in the ordered and disordered states. Atomic order and structure were checked by Mossbauer spectroscopy and TEM. The disordered sample shows a usual behaviour of bulk ferromagnetics. The ordered one exhibits large decrease of resistivity in the magnetic field and lower ability to reach the saturation. The large magnetoresistance effect is explained on the basis of similarity between naturally layered Fe3Al structure and artificial multilayers taking into account probable perturbation of spin orientation on the sublattices occupied by the iron atoms with lower magnetic moments.
引用
收藏
页码：L33 / L36
页数：4
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