INVAR BEHAVIOR OF FCC FE1-XNIX THIN-FILMS

被引：35

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

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页码：9258 / 9261

页数：4

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