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On the theory of metamagnet transitions
Author(s) -
Mitsek A. I.
Publication year - 1973
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220590131
Subject(s) - nucleation , condensed matter physics , magnetostriction , domain (mathematical analysis) , domain wall (magnetism) , energy (signal processing) , materials science , physics , magnetic field , magnetization , thermodynamics , mathematics , mathematical analysis , quantum mechanics
The domain structure in the region of the metamagnet transition is considered and the magnetic susceptibility, magnetostriction, and Δ E ‐effect are calculated. It is shown that the appearing domain walls may be of two types: discrete walls having the smaller energy, where an activation energy is necessary to displace them and continuous walls whose energy is greater, but which can be displaced elastically. Two nucleation mechanisms are considered.