ON THE DYNAMICS OF ITINERANT ELECTRON MAGNETS IN THE PARAMAGNETIC STATE

被引：24
|
作者：
EDWARDS, DM
机构：
[1] Imperial Coll of Science &, Technology, Dep of Mathematics,, London, Engl, Imperial Coll of Science & Technology, Dep of Mathematics, London, Engl
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1984年 / 45卷 / 01期
关键词：
NEUTRONS - Scattering - NICKEL AND ALLOYS - Electronic Properties;
D O I：
10.1016/0304-8853(84)90390-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is shown how disordered local-moment states, in a metal such as Fe, may be stabilized by constraining magnetic fields. Effective interaction parameters between moments are defined in terms of spin density functional theory. On removing the constraints the moments initially precess but then decay rapidly. The consequences for neutron scattering experiments are discussed and the rather different case of Ni is considered.
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页码：151 / 156
页数：6
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