INVAR BEHAVIOR OF FCC FE1-XNIX THIN-FILMS

被引：34
|
作者：
DUMPICH, G
KASTNER, J
KIRSCHBAUM, U
MUHLBAUER, H
LIANG, J
LUBECK, T
WASSERMANN, EF
机构：
[1] Tieftemperaturphysik, Universität Duisburg, 4100 Duisburg 1
来源：
PHYSICAL REVIEW B | 1992年 / 46卷 / 14期
关键词：
D O I：
10.1103/PhysRevB.46.9258
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
From measurements of the thermal expansion and magnetization on uhv evaporated fcc Fe-Ni alloy films we show that the deviation of the average magnetic moment from the Slater-Pauling curve, observed in Fe-Ni bulk alloys around Fe65Ni35, is not a necessary condition for the occurrence of the Invar effect. The results also address the long-debated issue of why in bulk Invar alloys the spin-wave stiffness is high when determined by inelastic neutron scattering, but low when a Bloch law is fitted to the low-temperature magnetization dependence.
引用
收藏
页码：9258 / 9261
页数：4
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