Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 41
... fields at the a - sites of { Y3-2.Ca , } [ Fe2 ] ( Fe , _V . ) O12 are lower than those of the analogous { Y , Ca , } [ Fe2 ] ( Fe ̧_Si ) O12 for equal reduced tempera- ture . In the latter , the electric - field gradient at the a ...
... fields at the a - sites of { Y3-2.Ca , } [ Fe2 ] ( Fe , _V . ) O12 are lower than those of the analogous { Y , Ca , } [ Fe2 ] ( Fe ̧_Si ) O12 for equal reduced tempera- ture . In the latter , the electric - field gradient at the a ...
Page 203
... electric field may in- troduce second - order effects in the spin Hamiltonian via spin - orbit or spin- spin interactions . These effects are important in the resonance spectrum of dilute paramagnetic salts , and have been reviewed in ...
... electric field may in- troduce second - order effects in the spin Hamiltonian via spin - orbit or spin- spin interactions . These effects are important in the resonance spectrum of dilute paramagnetic salts , and have been reviewed in ...
Page 510
... electric field due to the charges in the crystal [ 28 ] . Thus in YIG this coupling is different in the 16a and 24d sites . Each site gives a doublet whose intensity is proportional to the number of 57Fe nuclei present . Thus , by ...
... electric field due to the charges in the crystal [ 28 ] . Thus in YIG this coupling is different in the 16a and 24d sites . Each site gives a doublet whose intensity is proportional to the number of 57Fe nuclei present . Thus , by ...
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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