Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 42
... 2 Ca , Fe3.3Ga0.2 V1.5012 12.461 3 Ca Fe , GeVO12 12.418 4 Ca , Fe , Gao.45 Geo . 10 V1.45012 12.454 402 - 2.95 412 3.90 285 ... [ Fe2 ] ( FeGeV ) 012 { Cag } [ Fe1.88 Ga0.12 ] ( Fe1.12 Ga0.33 Geo.10 V1.45 ) O12 Curie temperatures and 0 K ...
... 2 Ca , Fe3.3Ga0.2 V1.5012 12.461 3 Ca Fe , GeVO12 12.418 4 Ca , Fe , Gao.45 Geo . 10 V1.45012 12.454 402 - 2.95 412 3.90 285 ... [ Fe2 ] ( FeGeV ) 012 { Cag } [ Fe1.88 Ga0.12 ] ( Fe1.12 Ga0.33 Geo.10 V1.45 ) O12 Curie temperatures and 0 K ...
Page 310
... 2 the spin quantum number of a Fe2 + ion , a≈ 1 , 2 is the spin - orbit coupling constant , f arises from crystal field components of low symmetry and 8 is the disorder potential , which differs from site to site ( not just between ...
... 2 the spin quantum number of a Fe2 + ion , a≈ 1 , 2 is the spin - orbit coupling constant , f arises from crystal field components of low symmetry and 8 is the disorder potential , which differs from site to site ( not just between ...
Page 375
... 2 lead to a model for Si - doped YIG which is consistent with both classes of observations : 1 ) All photomagnetic effects are produced by light - induced valence ex- change between Fe2 + and Fes + ions on octahedral sites . 2 ) The ...
... 2 lead to a model for Si - doped YIG which is consistent with both classes of observations : 1 ) All photomagnetic effects are produced by light - induced valence ex- change between Fe2 + and Fes + ions on octahedral sites . 2 ) The ...
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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