Induced spin polarization in V:FenVm superlattices and thin V films on Fe substrates

被引：43

作者：

Izquierdo, J ^{[1
]}

Vega, A

Elmouhssine, O

Dreyssé, H

Demangeat, C

机构：

[1] Univ Valladolid, Dept Fis Teor Atom Mol & Nucl, E-47011 Valladolid, Spain

[2] Inst Phys & Chim Mat Strasbourg, F-67037 Strasbourg, France

来源：

PHYSICAL REVIEW B | 1999年 / 59卷 / 22期

关键词：

D O I：

10.1103/PhysRevB.59.14510

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The spin polarization at the (100) and (110) Fe/V interfaces is investigated using the tight-binding linear muffin-tin orbital method. For both FenVm superlattices and thin V-m films on Fe substrates we consider epitaxial growth of V with in-plane interatomic distance equal to that of Fe and out-of-plane interatomic distance fitted to recover the volume of V bulk. We obtain a short-range induced spin polarization in V, as well as reduced Fe polarization at the Fe/V interface. In FenVm superlattices. V couples always antiferromagnetically with Fe. For thin V films grown on Fe(100) the V polarization presents oscillations (layered antiferromagnetic configuration). The magnetic moments of V and Fe depend on the crystallographic orientation of the sample. Our results are compared with the existing experimental observations. [S0163-1829(99)03521-3].

引用

页码：14510 / 14515

页数：6

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