Interface formation and magnetic ordering in Fe/Cr hybrid nanostructures

Authors
Kravtsov, E Lauter-Pasyuk, V Lauter, HJ Toperverg, B Nikonov, O Petrenko, A Milyaev, M Romashev, L Ustinov, V
Citation
E. Kravtsov et al., Interface formation and magnetic ordering in Fe/Cr hybrid nanostructures, PHYSICA B, 297(1-4), 2001, pp. 118-121
Citations number
10
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA B
ISSN journal
09214526 → ACNP
Volume
297
Issue
1-4
Year of publication
2001
Pages
118 - 121
Database
ISI
SICI code
0921-4526(200103)297:1-4<118:IFAMOI>2.0.ZU;2-V
Abstract
Hybrid magnetic nanostructures prepared from ultrathin Fe-57 layers alterna ting with thick Cr layers were studied by using polarized neutron reflectom etry. It was shown that the sample with Fe layer thickness t = 2 Angstrom r emains in superparamagnetic state at room temperature. Increasing the Fe-th ickness to t = 4 Angstrom leads to crossover between superparamagnetic and ferromagnetic spin-glass Fe states and non-zero mean magnetic moment in Fe layers appears. (C) 2001 Elsevier Science B.V. All rights reserved.