Temperature magnetism of disordered iron–aluminum alloys in a model of two intra-atomic interactions |
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| Authors: | V I Grebennikov D I Radzivonchik |
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| Institution: | 1.Institute of Metal Physics, Ural Branch,Russian Academy of Sciences,Yekaterinburg,Russia;2.Ural Federal University,Yekaterinburg,Russia |
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| Abstract: | A system of band electrons with the two constants of intra-atomic exchange interaction simulates the different local environment of magnetic atoms in alloys. Temperature behavior of the magnetic characteristics of disordered Fe-Al alloys is investigated on the basis of an improved theory of dynamic fluctuations in electron spin density. The nature of the alloys’ different properties and the unusual temperature dependence of the magnetization and magnetic susceptibility is discussed. |
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