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The isothermal remanent magnetisation of particulate media

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Publication details

JournalIEEE Transactions on Magnetics
DatePublished - 1987
Issue number1
Number of pages3
Pages (from-to)204-206
Original languageEnglish


A model is presented of the remanent magnetisation of a system of non-interacting Stoner-Wohlfarth particles with differing degrees of orientational texture. IRM curves are calculated which are used to show the effect of a finite magnetising field on the determination of optimum values of diameter and anisotropy constant. The shape of the SPD is also found to depend strongly on the degree of orientational texture. The width of the SPD is increased or decreased relative to the aligned case depending on whether the intrinsic SPD for the aligned system is small or large respectively.

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