Thermal magnetic relaxation in quasi-two-dimensional Fe films
- 9 October 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 63 (15) , 1649-1652
- https://doi.org/10.1103/physrevlett.63.1649
Abstract
Several Fe(110)/Ag(111) superlattices with the Fe component 2 monolayers thick and the Ag component of varying thickness were produced by molecular-beam epitaxy. The Curie temperature was found to be higher than 500 K and a central feature in the Mössbauer spectra is shown to come from thermal magnetic relaxation of Fe islands. The magnetic hyperfine field has a linear temperature dependence and this is explained by a simple model based on the island structure of the Fe.Keywords
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