Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 271, Issue 1, Pages 9-26Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2003.09.011
Keywords
demagnetization tensor field; shape amplitude; magnetometric demagnetization tensor; demagnetization energy
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A Fourier space formalism based on the shape amplitude of a particle is used to compute the demagnetization tensor field for uniformly magnetized particles of arbitrary shape. We provide a list of explicit shape amplitudes for important particle shapes, among others: the sphere, the cylindrical tube, an arbitrary polyhedral shape, a truncated paraboloid, and a cone truncated by a spherical cap. In Part I of this two-part paper, an analytical representation of the demagnetization tensor field for particles with cylindrical symmetry is provided, as well as expressions for the magnetostatic energy and the volumetric demagnetization factors. (C) 2003 Elsevier B.V. All rights reserved.
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