Description of magnetic interactions and Henkel plots by the Preisach hysteresis model
作者： V. Basso , G. Bertotti
DOI: 10.1109/20.272516
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摘要: The ability of the scalar Preisach model (PM) to describe magnetic interactions and Henkel plots is discussed. It shown that random described by PM switching field distribution p(/spl alpha/,/spl beta/) always have a net demagnetizing-like effect on remanences. connection between properties those investigated. In particular, it that, when beta/)=f(/spl alpha/)f(/spl minus//spl beta/), remanence law i/sub d//i/sub /spl infin//=1/spl minus/2/spl radic/i/sub r//i/sub infin//, completely independent f(/spl alpha/), holds. joint presence mean-field effects dealt with through moving (MPM), in which an additional proportional magnetization acts each elementary loop. classification MPM exhibiting both magnetizing-like deviations are certain indication effects. Theoretical predictions compared recent plot measurements recording media, superconductors, thin films, hard magnets, soft materials. >
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