Title :
Wave Propagation in Ferrite Involving Planar Anisotropy—Theory and Experiment
Author :
How, Hoton ; Zuo, Xu ; Vittoria, Carmine
Author_Institution :
Hotech, Inc, Belmont, MA, USA
Abstract :
We have derived an expression for the effective dc field associated with magnetic easy-plane anisotropy. The field is expressed as the geometric mean between the applied field and the sum of the applied field and the anisotropy field, in agreement with previous publications. This is in contrast to the effective dc field associated with a magnetic easy axis, which adds to the applied field arithmetically. The calculated transmission stopband compares nicely with experiments.
Keywords :
electric field effects; ferrites; magnetic anisotropy; magnetic field effects; wave propagation; dc field; effective field; ferrites; hexaferrite; magnetic anisotropy; magnetic easy axis; magnetic easy-plane anisotropy; planar anisotropy; transmission stopband; wave propagation; Anisotropic magnetoresistance; Crystalline materials; Ferrites; Frequency; Magnetic anisotropy; Magnetic materials; Magnetization; Perpendicular magnetic anisotropy; Phase shifters; Substrates; Easy plane; effective field; hexaferrite; magnetic anisotropy;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2005.852954
