PHASE-SHIFTS IN THE OSCILLATORY INTERLAYER EXCHANGE COUPLING ACROSS CU LAYERS

被引:26
作者
JOHNSON, MT [1 ]
VANDEVORST, MTH [1 ]
BLOEMEN, PJH [1 ]
COEHOORN, R [1 ]
REINDERS, A [1 ]
DESTEGGE, JA [1 ]
JUNGBLUT, R [1 ]
机构
[1] EINDHOVEN UNIV TECHNOL,DEPT PHYS,5600 MB EINDHOVEN,NETHERLANDS
关键词
D O I
10.1103/PhysRevLett.75.4686
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The dependence of the phase of the oscillatory exchange coupling between ferromagnetic (FM) layers across fee Cu on the composition of the ferromagnetic layer has been studied in several epitaxial samples. In the case of (001) systems, phases remain constant for the long period oscillation, but far the short period oscillation they vary monotonically with the d-electron occupation number of the FM layers, at a rate of about 1.5 Angstrom/electron. In the case of (110) systems the variation is nonmonotonic. A framework is presented with which the above observations can be understood.
引用
收藏
页码:4686 / 4689
页数:4
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