Dr. Franklin et al., RESONANCE LINEWIDTHS AND CRYSTALLITE ALIGNMENT IN ORIENTED SAMPLES OFPOLYCRYSTALLINE BARIUM HEXAFERRITE, Journal of physics. D, Applied physics, 29(5), 1996, pp. 1268-1273
The millimetre-wave ferromagnetic resonance linewidths have been measu
red for polycrystalline samples of barium ferrite with different degre
es of crystal alignment. A theory is given which relates the linewidth
and lineshape to the crystallite distribution and has allowed calcula
tion of the distribution and comparison with experimentally determined
forms.