Clausius-Mossotti approximation in the theory of sintered polar materials: A review
Author(s) -
Y. Kornyushin
Publication year - 2009
Publication title -
science of sintering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.309
H-Index - 25
eISSN - 1820-7413
pISSN - 0350-820X
DOI - 10.2298/sos0903225k
Subject(s) - condensed matter physics , ellipsoid , materials science , ferromagnetism , magnetic moment , superconductivity , magnetic field , magnetic energy , polar , magnetic shape memory alloy , matrix (chemical analysis) , magnetization , magnetic anisotropy , physics , composite material , quantum mechanics , astronomy
Clausius-Mossotti approximation is extended to describe the measured magnetic moment of an ellipsoidal sample containing magnetic or nonmagnetic ellipsoidal inclusions and magnetic or nonmagnetic matrix. The magnetic field in the matrix and inclusions is calculated. The magnetic energy of a system is calculated also. The equilibrium shape of a pore in a ferromagnetic sample is investigated. The phenomenon of a cavitation in porous ferromagnetic samples is described. The model is applied to calculate magnetic properties of granular superconductors. The effective electric conductivity of a sample, containing an arbitrary number of differently ordered distributions of ellipsoidal inclusions is calculated
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