Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 279
... width in YIG , because the electron hopping frequency is much less than the measurement ( microwave ) frequency at most temper- atures . The atomic disorder associated with impurities , earlier believed to be a potent source of line width ...
... width in YIG , because the electron hopping frequency is much less than the measurement ( microwave ) frequency at most temper- atures . The atomic disorder associated with impurities , earlier believed to be a potent source of line width ...
Page 285
... width which is proportional to H / 47 M 。. The nonuniform magnetic - dipole field due to pores or nonmagnetic inclusions gives a contribution to AH proportional to р4л M. , where the porosity p is the fraction of the specimen volume ...
... width which is proportional to H / 47 M 。. The nonuniform magnetic - dipole field due to pores or nonmagnetic inclusions gives a contribution to AH proportional to р4л M. , where the porosity p is the fraction of the specimen volume ...
Page 310
... width , which is shown in fig . 23 , cannot , however , be inter- preted in terms of this expression . At low temperatures , at which the ob- served line width shows a maximum , it is impossible to explain the magnitude on the basis of ...
... width , which is shown in fig . 23 , cannot , however , be inter- preted in terms of this expression . At low temperatures , at which the ob- served line width shows a maximum , it is impossible to explain the magnitude on the basis of ...
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Common terms and phrases
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