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Cobalt on calcium fluoride: Initial stages of growth and magnetic properties (Articolo in rivista)

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Cobalt on calcium fluoride: Initial stages of growth and magnetic properties (Articolo in rivista) (literal)

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Pasquali, L; Doyle, BP; Borgatti, F; Giglia, A; Mahne, N; Pedio, M; Nannarone, S; Kaveev, AK; Balanev, AS; Krichevtsov, BB; Suturin, SM; Sokolov, NS (2006)
Cobalt on calcium fluoride: Initial stages of growth and magnetic properties
in Surface science
(literal)

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Pasquali, L; Doyle, BP; Borgatti, F; Giglia, A; Mahne, N; Pedio, M; Nannarone, S; Kaveev, AK; Balanev, AS; Krichevtsov, BB; Suturin, SM; Sokolov, NS (literal)

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Univ Modena, Dipartimento Ingn Mat & Ambiente, I-41100 Modena, Italy; INFM, CNR, Lab Nazl TASC, I-34012 Basovizza, TS, Italy; AF Ioffe Phys Tech Inst, RAS, St Petersburg 194021, Russia (literal)

Titolo

Cobalt on calcium fluoride: Initial stages of growth and magnetic properties (literal)

Abstract

Epitaxial cobalt films on CaF2(110) buffer layers on Si(001) were grown by molecular beam epitaxy. It is found that Co grows in a face-centered cubic lattice forming nanodimensional islands. The islands tend to align along the parallel grooves which characterize the self-patterned CaF2(110) surface grown on Si(001). Photoemission was used to probe the uniformity of the film and the occurrence of chemical reactions with the substrate. X-ray magnetic circular dichroism at the Co L-2.3 edges was used to access the magnetic properties of the films. The thick Co film presents an in-plane easy magnetization axis along the directions of the grooves of the CaF2(110) surface. (c) 2006 Elsevier B.V. All rights reserved. (literal)

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