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Manipulation of the Curie temperature and the magnetic moments of ultrathin Ni and Co films by Cu-capping

Identifieur interne : 000A52 ( Main/Exploration ); précédent : 000A51; suivant : 000A53

Manipulation of the Curie temperature and the magnetic moments of ultrathin Ni and Co films by Cu-capping

Auteurs : F. Wilhelm [Allemagne] ; U. Bovensiepen [Allemagne] ; A. Scherz [Allemagne] ; P. Poulopoulos [Allemagne] ; A. Ney [Allemagne] ; H. Wende [Allemagne] ; G. Ceballos [Allemagne] ; K. Baberschke [Allemagne]

Source :

Journal of Magnetism and Magnetic Materials [ 0304-8853 ] ; 2000.

RBID : ISTEX:998CA2887B18F66ECA53BC86FBC922A468D3DB76

Abstract

Temperature-dependent studies are performed in situ on Ni/Cu(001) and Co/Cu(001) ultrathin films by AC-susceptibility and the element-specific X-ray magnetic circular dichroism. It is shown that the growth of a Cu capping layer reduces considerably the Curie temperature by about 30–40K for Ni and 100K for Co films. The effect is practically completed after the growth of the first few monolayers of the Cu capping layer. Further growth of Cu does not alter significantly the Curie temperature. We show that the Cu-capping results in a decrease of the magnetic moments and the relation of it to the reduced Curie temperatures is discussed.

Url:

https://api.istex.fr/document/998CA2887B18F66ECA53BC86FBC922A468D3DB76/fulltext/pdf

DOI: 10.1016/S0304-8853(00)00531-X

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Temperature-dependent studies are performed in situ on Ni/Cu(001) and Co/Cu(001) ultrathin films by AC-susceptibility and the element-specific X-ray magnetic circular dichroism. It is shown that the growth of a Cu capping layer reduces considerably the Curie temperature by about 30–40K for Ni and 100K for Co films. The effect is practically completed after the growth of the first few monolayers of the Cu capping layer. Further growth of Cu does not alter significantly the Curie temperature. We show that the Cu-capping results in a decrease of the magnetic moments and the relation of it to the reduced Curie temperatures is discussed.</div>
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Manipulation of the Curie temperature and the magnetic moments of ultrathin Ni and Co films by Cu-capping

Manipulation of the Curie temperature and the magnetic moments of ultrathin Ni and Co films by Cu-capping

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Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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