ON THE THERMOELECTRIC-POWER OF AMORPHOUS FERROMAGNETS

被引：11
|
作者：
RICHTER, R
GOEDSCHE, F
机构：
[1] Zentralinstitut für Festkörperphysik und Werkstofforschung der Akademie der Wissenschaften der DDR, Dresden, Germany
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1984年 / 123卷 / 01期
关键词：
Ferromagnetic materials - Metallic glass - Ferromagnetism - Temperature distribution;
D O I：
10.1002/pssb.2221230117
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The spin-disorder model is adopted to calculate the electrical resistivity and thermoelectric power of ferromagnetic metallic galsses within the molecular field approximation. The resistivity expression interpolates correctly between the low (T = 0 K) and the high temperature (T TC) results derived previously. Using Mott's formula a magnetic contribution Sm(T) to the thermopower is calculated which exhibits a nonlinear temperature dependence. Both, sign and curvature of Sm(T) are correlated with the actual position of 2kF in the structure factor. For a combined spin and potential scattering the total thermopower is evaluated according to the Nordheim-Gorte rule. The results reproduce qualitatively sign and curvature of the thermopower observed experimentally in ferromagnetic metallic glasses. Copyright © 1984 WILEY-VCH Verlag GmbH & Co. KGaA
引用
收藏
页码：143 / 154
页数：12
相关论文
共 50 条
12345