Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 128
... theory with the symmetry requirements imposed by the site preference model [ 186 ] ,。 experi- mental points . = the good agreement between theory and experiment . The theory was adjusted at T 16 K , and the temperature dependence of ...
... theory with the symmetry requirements imposed by the site preference model [ 186 ] ,。 experi- mental points . = the good agreement between theory and experiment . The theory was adjusted at T 16 K , and the temperature dependence of ...
Page 267
... Theory ( New York , N. Y. , 1964 ) . [ 8 ] R. F. SOOHOO : Magnetic Thin Films ( New York , N. Y. , 1965 ) . [ 9 ] L. I. SHIFF : Quantum Mechanics ( New York , N. Y. , 1955 ) , p . 234 . [ 10 ] J. H. VAN VLECK : The Theory of Electric ...
... Theory ( New York , N. Y. , 1964 ) . [ 8 ] R. F. SOOHOO : Magnetic Thin Films ( New York , N. Y. , 1965 ) . [ 9 ] L. I. SHIFF : Quantum Mechanics ( New York , N. Y. , 1955 ) , p . 234 . [ 10 ] J. H. VAN VLECK : The Theory of Electric ...
Page 473
... Theory for spin S = 2 . - m.f. The derivation of the microscopic expressions for the single - ion cubic ani- sotropy constants K , and K , follows along this line [ 21 ] : axis 2 1 ) pin ( 6 ) is expressed in terms of the STO along ...
... Theory for spin S = 2 . - m.f. The derivation of the microscopic expressions for the single - ion cubic ani- sotropy constants K , and K , follows along this line [ 21 ] : axis 2 1 ) pin ( 6 ) is expressed in terms of the STO along ...
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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