INTERDIFFUSION AND MAGNETISM IN CU/NI/CU SANDWICHES

被引:21
作者
CRAMPIN, S
MONNIER, R
SCHULTHESS, T
SCHADLER, GH
VVEDENSKY, DD
机构
[1] SWISS FED INST TECHNOL,FESTKORPERPHYS LAB,CH-8093 ZURICH,SWITZERLAND
[2] SWISS FED INST TECHNOL,INST ANGEW PHYS,CH-8093 ZURICH,SWITZERLAND
[3] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,BLACKETT LAB,LONDON SW7 2BZ,ENGLAND
来源
PHYSICAL REVIEW B | 1992年 / 45卷 / 01期
关键词
D O I
10.1103/PhysRevB.45.464
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Results are presented for the magnetic-moment distribution in a (111) sandwich consisting originally of three perfect layers of nickel bounded on each side by a semi-infinite copper crystal, for different degrees of interdiffusion. The approach used is a combination of the recently developed layer Korringa-Kohn-Rostoker method, with the multiple-scattering spin-polarized version of the coherent-potential approximation. When applied to bulk homogeneous CuxNi1-x, it yields average and Ni moments in excellent agreement with experiment. The sandwich geometry is found to favor magnetism at Ni concentrations far below the bulk critical value.
引用
收藏
页码:464 / 467
页数:4
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