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The magnetic phase transitions occuring in layered structures, sandwiches and superlattices, are studied within Ising model. The spin- 1 2 Hamiltonian is solved in the mean field approximation. We consider systems formed by a finite and infinite number of slabs of two magnetic materials. Analytic expressions for the Curie temperature as a function of the Hamiltonian parameters and the thickness of the slabs are given. Results for the Curie temperature as a function of slab thickness and coupling constants are presented. Comparison between the Curie temperature in sandwiches and superlattices are discussed. © 1992.
Phase transitions in layered magnetic structures
Phase Transitions; SUPERLATTICES; Ising Model; Layered Magnetic Structures; Mean Field Approximation; Spin Hamiltonian; Magnetic Materials
Generically Dependent Continuant
RDF description of Phase transitions in layered magnetic structures - http://orbis.uaslp.mx/vivo/individual/scopus316
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