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PII: S0927-0256(97)00148-1

Non-collinear magnetism and exchange couplings in FeCo/Mn superlattices

Clara C. Cornea^{a, *} and Daniel C. A. Stoeffler<sup>a

a</sup> I.P.C.M.S. - Gemme (U.M.R. 46 du C.N.R.S.), 23 rue du Loess 67037 Strasbourg France

Available online 16 April 1999.

Abstract

We present the main results of a systematic study of the magnetic properties of Fe_xCo_1-x/Mn_n for various Fe concentrations x and Mn thicknesses n. We show that the magnetic order in the Mn spacer changes from collinear to non-collinear when the Fe concentration decreases. This behaviour is discussed in relation with a bulk `canted' magnetic state nearly degenerate with the collinear AF order. The origin of the exchange of stability between these two magnetic states is ascribed to a stronger collinear character of the Fe/Mn interface than the Co/Mn one.

Author Keywords: Non-collinear magnetism; Metallic superlattices; Interlayer couplings

Index Terms: Iron alloys; Cobalt alloys; Manganese; Magnetic materials; Magnetic properties; Superlattices; Non-collinear magnetism; Metallic superlattices; Interlayer couplings

^*Corresponding author.

	This document Abstract Journal Format-PDF (271 K) Actions Cited By Save as Citation Alert Export Citation Computational Materials Science Volume 10, Issues 1-4 February 1998 Pages 245-248

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