Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 449
... Oscillator strengths of transitions in Y , Fе012 at 77 K. The site refers to the Fe3 + ion on which the exciton is produced and oscillator strengths have been estimated by using the densities of these sites . Transition energy ...
... Oscillator strengths of transitions in Y , Fе012 at 77 K. The site refers to the Fe3 + ion on which the exciton is produced and oscillator strengths have been estimated by using the densities of these sites . Transition energy ...
Page 453
... oscillator strength of the crystal field transitions is due to the ex- change - induced dipole . It will be seen later that the spin - orbit mixing of ' T , into A , suggested by CLOGSTON does occur , but this is presumably only suf ...
... oscillator strength of the crystal field transitions is due to the ex- change - induced dipole . It will be seen later that the spin - orbit mixing of ' T , into A , suggested by CLOGSTON does occur , but this is presumably only suf ...
Page 458
at lower energy , the oscillator strength was unchanged within experimental error [ 13 ] . A comparison of the energies and oscillator strengths of transitions assigned to 02 → Fe3 + in other oxide hosts is made in table IV , where it ...
at lower energy , the oscillator strength was unchanged within experimental error [ 13 ] . A comparison of the energies and oscillator strengths of transitions assigned to 02 → Fe3 + in other oxide hosts is made in table IV , where it ...
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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