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The Rôle of Two‐Level Systems in Amorphous Metallic Alloys. I. Induced Anisotropy in Amorphous Ferromagnets
Author(s) -
Kronmüller H.
Publication year - 1983
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.2221180223
Subject(s) - amorphous metal , ferromagnetism , amorphous solid , condensed matter physics , anisotropy , materials science , atom (system on chip) , relaxation (psychology) , physics , crystallography , chemistry , quantum mechanics , psychology , social psychology , embedded system , computer science
The induced anisotropy in amorphous ferromagnets is attributed to the directional ordering of atom pair axes. The thermodynamics and micromagnetic background of this process is treated on the basis of two‐level systems which are identified with mobile atom pairs in the neighbourhood of free volumes. The rǒle of ‘reversible’ and of ‘irreversible’ relaxation processes is discussed in detail.