Band ferromagnetism in systems of variable dimensionality

The Stoner instability of the paramagnetic state, yielding to the occurence of ferromagnetism, is reviewed for electron density of states reflecting changes in the dimensionality of the system. The situations treated are one-dimensional (1D), two-dimensional (2D) and three-dimensional (3D) cases and...

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Bibliographic Details
Published in:Journal of Optoelectronics and Advanced Materials 2008-11, Vol.10 (11), p.3058-3068
Main Authors: Teodorescu, C M, Lungu, G A
Format: Article
Language:English
Online Access:Get full text
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Summary:The Stoner instability of the paramagnetic state, yielding to the occurence of ferromagnetism, is reviewed for electron density of states reflecting changes in the dimensionality of the system. The situations treated are one-dimensional (1D), two-dimensional (2D) and three-dimensional (3D) cases and also a special case where the density of states has a parabolic shape near the Fermi level, and is half-filled at equilibrium. We recover the basic results obtained in the original work of E.C.
ISSN:1454-4164