ELECTRON SPIN POLARIZATION AROUND A MAGNETIC IMPURITY USING TAKANO OGAWA THEORY OF KONDOS EFFECT

被引:12
作者
KLEIN, AP
机构
[1] Department of Physics, Rutgers State University, New Brunswick
来源
PHYSICAL REVIEW | 1969年 / 181卷 / 02期
关键词
D O I
10.1103/PhysRev.181.579
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The conduction-electron spin polarization induced by a localized spin in a metal has been calculated using the Takano and Ogawa theory of the quasibound state. The theory predicts a positive contribution to the polarization at the impurity nucleus due to the s-d interaction for temperatures lower than TK, the transition temperature, and an oscillatory spin polarization of conduction electrons about the impurity at all temperatures. The oscillatory spin polarization is of the Ruderman-Kittel-Kasuya-Yosida form, but it is proportional to SZ, the effective temperature-dependent spin which appears in the expression for the impurity contribution to the magnetic susceptibility. A comparison of theory with experiment is made for several spin- compensated" systems with particular emphasis on Au-V and Cu-Fe alloys. © 1969 The American Physical Society."
引用
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页码:579 / +
页数:1
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