Тип публикации: статья из журнала
Год издания: 2008
Идентификатор DOI: 10.1016/j.physb.2008.04.018
Ключевые слова: Dy, Dy-Ni bi-layer films, magnetic ordering, magnetic circular dichroism, magneto-optic Kerr effect, auger spectroscopy, Magnetic fields, Nickel, Bi layer films, Magnetic (CE), Magneto optical, Room temperature (RT) ferromagnetism, Spectral dependences, Magnetic field effects
Аннотация: Temperature, magnetic field and spectral dependences of magneto-optical effects (MOEs) in bi-layer films Dy(1-x)Nix-Ni and Dy(1-x)(NiFe)(x)-NiFe were investigated, x changes from 0 to 0.06. Peculiar behavior of the MOEs was revealed at temperatures essentially exceeding the Curie temperature of bulk Dy which is explained by the magnetic ordering of the Dy layer containing Ni under the action of two factors: Ni impurities distributed homogeneously over the whole Dy layer and atomic contact of this layer with continues Ni layer. The mechanism of the magnetic ordering is suggested to be associated with the change of the density of states of the alloy Dy(1-x)Nix owing to hybridization with narrow peaks near the Fermi level character for Ni. (C) 2008 Elsevier B.V. All rights reserved.
Издание
Журнал: PHYSICA B-CONDENSED MATTER
Выпуск журнала: Vol. 403, Is. 18
Номера страниц: 3295-3301
ISSN журнала: 09214526
Место издания: AMSTERDAM
Издатель: ELSEVIER SCIENCE BV
Персоны
- Edelman I. (Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences, Akademgorodok)
- Ovchinnikov S. (Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div; Siberian Fed Univ)
- Markov V. (Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences, Akademgorodok)
- Kosyrev N. (Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences, Akademgorodok)
- Seredkin V. (Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences, Akademgorodok)
- Khudjakov A. (Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences, Akademgorodok)
- Bondarenko G. (Kirensky Institute of Physics,Siberian Division,Russian Academy of Sciences, Akademgorodok)
- Kesler V. (Institute of Semiconductor Physics,Siberian Division,Russian Academy of Sciences)
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