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PII: S0042-207X(98)00481-3
Copyright © 1999 Elsevier Science Ltd. All rights reserved.

Hyperfine fields in Fe_¯Cr thin films

W. Kara

Department of Solid State Physics, Faculty of Physics and Nuclear Techniques, Academy of Mining and Metallurgy, ul. Reymonta 19, 30-059 Kraków, Poland

Available online 7 May 1999.

Abstract

We have calculated the electronic structure of the 2Cr/3Fe/2Cr slab in bcc(1 1 0) geometry using FLAPW method in the local spin density approximation (LDA). The main aim of this work was to compare the calculated values of the hyperfine fields (H_f) with these obtained in the experiment carried out by ukrowski et al. (J. Magn. Magn. Mater, 1995, 145, 97).

Our calculation shows the influence of the ordering on the Fe hyperfine fields and for the measured Cr/3.3Fe/Cr film we suggest the existence of two different H_f values in each Fe plane, differing by 0.4_¯0.8 T. The magnetic moments of chromium are near 0.7 _B on the surface and oppositely oriented in the plane, while subsurface moments are small and anti-parallel to iron spins. The moments of iron atoms on the interface are slightly reduced.

	This document Abstract Journal Format-PDF (88 K) Actions Cited By Save as Citation Alert Export Citation Vacuum Volume 54, Issues 1-4 July 1999 Pages 295-297

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