Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 404
... resonances . In this re is the gyromagnetic resonance for Fe3 + . Similar expressions hold for B and C. m m In this brief subsection we are concerned with the validity of eq . ( 18 ) as tem- perature and field vary . It is a fundamental ...
... resonances . In this re is the gyromagnetic resonance for Fe3 + . Similar expressions hold for B and C. m m In this brief subsection we are concerned with the validity of eq . ( 18 ) as tem- perature and field vary . It is a fundamental ...
Page 484
... resonances ( fig . 5 ) are very attractive to study various properties of spin waves . For instance , the intensity of the resonances , for fixed h , is most sensitively influenced by a change in AHE ( e.g. by shining light on the ...
... resonances ( fig . 5 ) are very attractive to study various properties of spin waves . For instance , the intensity of the resonances , for fixed h , is most sensitively influenced by a change in AHE ( e.g. by shining light on the ...
Page 486
... resonances reveals even tiny variations of the resonance energy of a certain magnon mode brought about by its degree of excitation . Such a dependence is a typical nonlinear phenomenon [ 15 ] , giving rise to fold - over effects , as ...
... resonances reveals even tiny variations of the resonance energy of a certain magnon mode brought about by its degree of excitation . Such a dependence is a typical nonlinear phenomenon [ 15 ] , giving rise to fold - over effects , as ...
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absorption angle anisotropy constants antiferromagnetic Appl axis birefringence Bloch lines Bloch point bubble calculated cation cm-¹ Co² Co³ coefficient concentration contribution crystal field cubic Curie temperature curve diamagnetic dichroism direction of magnetization domain wall effects electron energy levels equations exchange experimental Fe2+ Fe³ ferrimagnetic ferromagnetic resonance film formula unit frequency GELLER GILLEO given Hamiltonian interaction ion moments Journ K₁ lattice constant line width linear magnetic anisotropy magnetic field magneto-optical magnetoelastic magnons measurements modes neutron diffraction observed obtained octahedral octahedral sites optical orbital oxygen paramagnetic parameters phonons photoinduced photomagnetic Phys polarization polycrystalline properties rare-earth ions rare-earth iron garnets relaxation resonance room temperature rotation sample shown in fig sin² specimens spin wave spin-orbit coupling spontaneous magnetization sublattice substitution surface symmetry temperature dependence tetrahedral theory tion torque transitions uniaxial anisotropy valence values vector velocity yttrium iron garnet