Microwave Ferrites and Ferrimagnetics

absorption amplitude anisotropy antiferromagnetic Appl applied assumed attenuation becomes cavity circulator components constant containing coupling crystal curve d-c magnetic field dependence derived described developed devices dielectric direction discussed domain effective electric electrons energy equations exchange experimental expression factor ferrite Ferromagnetic Ferromagnetic Resonance figure frequency function garnet given increased intensity interaction internal ions isolator larger limiter line width loss magnetic field material measurements medium method Microwave modes motion negative nonreciprocal observed obtained occurs oersteds operation parameters permeability phase shift Phys plane polarized port positive possible precession problem Proc propagation properties rectangular region relation relatively relaxation resonance reverse sample saturation shown in Fig shows signal similar slab solution specimen sphere spin waves structure sublattice substitution Tech temperature theoretical Theory tion uniform vector wall waveguide