Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 451
... crystal field transi- 30 " Eg " D 30 2g " EA , 19 " E , " A , " G 20 20 m22 103 ) energy ( cm 10 10 6729 4799 6A19 A , 500 S 0 500 1000 Dg ( cm1 ) b ) 10 S 0 Da ( cm- ' ) Fig . 3 . - Crystal field splitting of free - ion energy levels ...
... crystal field transi- 30 " Eg " D 30 2g " EA , 19 " E , " A , " G 20 20 m22 103 ) energy ( cm 10 10 6729 4799 6A19 A , 500 S 0 500 1000 Dg ( cm1 ) b ) 10 S 0 Da ( cm- ' ) Fig . 3 . - Crystal field splitting of free - ion energy levels ...
Page 452
... crystal field which produces the crystal field levels depicted in fig . 3. Optical transitions from the ground state to these crystal field levels are clearly spin forbidden and , since they all occur within the 3d configuration , they ...
... crystal field which produces the crystal field levels depicted in fig . 3. Optical transitions from the ground state to these crystal field levels are clearly spin forbidden and , since they all occur within the 3d configuration , they ...
Page 453
... crystal field transitions , is a result of vibronics built on magnon sidebands . It appears , therefore , that in concentrated iron garnets the oscillator strength of the crystal field transitions is due to the ex- change - induced ...
... crystal field transitions , is a result of vibronics built on magnon sidebands . It appears , therefore , that in concentrated iron garnets the oscillator strength of the crystal field transitions is due to the ex- change - induced ...
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Common terms and phrases
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