Conversion electron Mössbauer spectroscopy studies of the magnetic moment distribution in Fe/V multilayers

The Fe hyperfine field distribution in Fe(x ML)V(y ML) as function of x and y has been determined. The samples were prepared in a ultra-high vacuum sputtering system with exp 57 Fe as a probe. Low- and high-angle x-ray diffraction and Mossbauer spectroscopy were used to determine the monolayer struc...

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Bibliographic Details
Published in:Journal of physics. Condensed matter 2000-02, Vol.12 (5), p.539-548
Main Authors: Kalska, B, Häggström, L, Blomquist, P, Wäppling, R
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures)
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Metals. Metallurgy
Physics
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Summary:The Fe hyperfine field distribution in Fe(x ML)V(y ML) as function of x and y has been determined. The samples were prepared in a ultra-high vacuum sputtering system with exp 57 Fe as a probe. Low- and high-angle x-ray diffraction and Mossbauer spectroscopy were used to determine the monolayer structure of the samples. The multilayer growth is not layer-by-layer, as found from the magnetic hyperfine field distributions. No Fe magnetic ordering is found above 133 K for multilayers with x approx = 3 and y approx = 14 in contrast to recently reported antiferromagnetic ordering. The average Fe magnetic moments as deduced from the average magnetic hyperfine fields changes in the sequence 1.2, 1.5, 1.7 to 2.0 mu sub B layerwise in going towards the centre of a 10 ML film of Fe.
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/12/5/302