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Disaccommodation of Mn‐Zn Ferrite After Temperature Cycling
Author(s) -
VOGEL E.M.,
JOHNSON D.W.,
GYORGY E.M.
Publication year - 1981
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1981.tb10230.x
Subject(s) - ferrite (magnet) , cycling , materials science , demagnetizing field , permeability (electromagnetism) , temperature cycling , nuclear magnetic resonance , analytical chemistry (journal) , chemistry , thermodynamics , composite material , magnetization , thermal , magnetic field , membrane , physics , chromatography , biochemistry , archaeology , quantum mechanics , history
It was shown that cycling Mn‐Zn ferrite through or near the temperature of the zero crossing of the anisotropy constant K 1 makes significant changes in the domain patterns and thus changes in disaccommodation rates. For the ferrite studied, with a secondary peak in permeability at—65°C, cycling to −80° or rapid cooling to −40° from room temperature affected the permeability and disaccommodation in a manner very similar to that of an ac demagnetization. Likely mechanisms which may explain these effects are discussed.