Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 16
... rare - earth ions , the maximum obtainable magnetic moment ( i.e. with no quenching of the orbital angular momentum ... rare earths g = ( L + 2S ) / ( L + S ) ; therefore , gJ = L + 28 . S = For the empty ( La3 + ) , half - filled ( Gd3 ...
... rare - earth ions , the maximum obtainable magnetic moment ( i.e. with no quenching of the orbital angular momentum ... rare earths g = ( L + 2S ) / ( L + S ) ; therefore , gJ = L + 28 . S = For the empty ( La3 + ) , half - filled ( Gd3 ...
Page 126
... ions along certain growth direc- tions . This arrangement of magnetic ions in the crystal does not correspond to the ... rare - earth iron garnets and are based on the ordering of the rare - earth ions on dodecahedral sites . The two ...
... ions along certain growth direc- tions . This arrangement of magnetic ions in the crystal does not correspond to the ... rare - earth iron garnets and are based on the ordering of the rare - earth ions on dodecahedral sites . The two ...
Page 127
... rare - earth iron garnets , except for gadolinium , also large uniaxial ... ions being present in different valences like Fe2 + -Fe3 + [ 43 ] , Pb2 + ... ions , which tend to be incorporated asymmetrically in oxide compounds [ 185 ] ...
... rare - earth iron garnets , except for gadolinium , also large uniaxial ... ions being present in different valences like Fe2 + -Fe3 + [ 43 ] , Pb2 + ... ions , which tend to be incorporated asymmetrically in oxide compounds [ 185 ] ...
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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