Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 6
on the basis of the interaction angles , the largest interaction angle being for the interaction involving the longer R - O and the longest R - Fe distance . Fig- ure 3 [ 10 ] shows the arrangement of d - site Fe3 + ions about a rare ...
on the basis of the interaction angles , the largest interaction angle being for the interaction involving the longer R - O and the longest R - Fe distance . Fig- ure 3 [ 10 ] shows the arrangement of d - site Fe3 + ions about a rare ...
Page 84
... interaction , b ) spin - orbit coupling , c ) anisotropic exchange . Further sources for anisotropic interactions are discussed in [ 98 ] . The dipolar interaction is expected to be of minor importance for garnets , since , from the ...
... interaction , b ) spin - orbit coupling , c ) anisotropic exchange . Further sources for anisotropic interactions are discussed in [ 98 ] . The dipolar interaction is expected to be of minor importance for garnets , since , from the ...
Page 198
... interaction is not magnetic but rather due to a quantum - mechanical Coulomb repulsion interaction which has no classical analogue . In the presence of an applied magnetic field Ho , that portion of the total Hamiltonian that is ...
... interaction is not magnetic but rather due to a quantum - mechanical Coulomb repulsion interaction which has no classical analogue . In the presence of an applied magnetic field Ho , that portion of the total Hamiltonian that is ...
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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