Soft-x-ray emission study of Fe/V(001) superlattices

被引：25

作者：

Duda, LC ^{[1
]}

Isberg, P ^{[1
]}

Mirbt, S ^{[1
]}

Guo, JH ^{[1
]}

Hjorvarsson, B ^{[1
]}

Nordgren, J ^{[1
]}

Granberg, P ^{[1
]}

机构：

[1] UNIV UPPSALA,DEPT TECHNOL,S-75121 UPPSALA,SWEDEN

来源：

PHYSICAL REVIEW B | 1996年 / 54卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.54.10393

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the electronic structure of the interfaces in bet Fe/V (001) superlattices (SL's) grown on MgO(001) with soft-x-ray emission spectroscopy. Two samples with different thicknesses of Fe and V were investigated: [(V)(2)/(Fe)(5)](60) and [(V)(5)/(Fe)(2)](60). The samples were characterized by x-ray diffraction showing high-quality interfaces. Our x-ray L-emission spectra of Fe and V show that the 3d bands are considerably narrowed for the [(V)(5)/(Fe)(2)](60) SL, which is in agreement with first-principles band-structure calculations. Superconducting quantum interference device measurements for the [(V)(5)/(Fe)(2)](60) SL reveal that the total magnetic moment is only 0.65 mu(B) and the Curie temperature is about similar to 200 K, whereas the [(V)2/(Fe)(5)](60) SL shows magnetic properties consistent with bulklike iron layers.

引用

页码：10393 / 10396

页数：4

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