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Effect of packing density on the coercivity of elongated Fe3O4 particles (1985)

Kuo, P. C. ; Chang, C. Y.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 57 (1985), S. 4678-4684

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The chain-of-spheres model is modified by taking the effect of particle interactions into account to interpret the packing density dependence of the coercivity of elongated particles. The relationship of coercivity versus packing density is derived from Lorentz mean field approximation. Coercivity of the particle assembly is treated in detail with regard to the particle axis orientation. Calculations on the coercivities of randomly oriented Fe3O4 particles at various packing densities are found in good agreement with experimental results of Davis.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.335327

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