Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 278
... frequency coincides with the top of the manifold . For a sphere this occurs for @m = 30 ;. A further interesting feature is the possibility that two spin waves may be produced whose frequencies add to give the frequency of a spin wave ...
... frequency coincides with the top of the manifold . For a sphere this occurs for @m = 30 ;. A further interesting feature is the possibility that two spin waves may be produced whose frequencies add to give the frequency of a spin wave ...
Page 280
... frequency ( GHz ) magnetic field is collinear with the steady magnetizing field . Under these conditions , a negligible amount of power is absorbed from the high - frequency field by the sample until the amplitude of the latter is ...
... frequency ( GHz ) magnetic field is collinear with the steady magnetizing field . Under these conditions , a negligible amount of power is absorbed from the high - frequency field by the sample until the amplitude of the latter is ...
Page 282
... frequency of the applied high - frequency field is varied , AH- is found to be proportional to the frequency of the spin wave excited between 4 GHz and 8 GHz , as shown in fig . 7. This receives a satisfactory explanation in terms of ...
... frequency of the applied high - frequency field is varied , AH- is found to be proportional to the frequency of the spin wave excited between 4 GHz and 8 GHz , as shown in fig . 7. This receives a satisfactory explanation in terms of ...
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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