Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 77
... variation of the magnetostriction constants 100 and 111 for yttrium iron garnet Y , FeO12 [ 15 ] . 111 earth iron garnets , however , a much more pronounced temperature variation is observed , as is obvious from fig . 9 , displaying 100 ...
... variation of the magnetostriction constants 100 and 111 for yttrium iron garnet Y , FeO12 [ 15 ] . 111 earth iron garnets , however , a much more pronounced temperature variation is observed , as is obvious from fig . 9 , displaying 100 ...
Page 97
... variation of the magnetostriction constants for holmium iron garnet Ho , Fe3O12 [ 61 ] . The theoretical curves ( - - ) are based on eq . ( 5.5 ) , o extra- polated to zero field . dence of the magnetostriction constants has been ...
... variation of the magnetostriction constants for holmium iron garnet Ho , Fe3O12 [ 61 ] . The theoretical curves ( - - ) are based on eq . ( 5.5 ) , o extra- polated to zero field . dence of the magnetostriction constants has been ...
Page 107
... variation which is shown for a 7 - site ( [ 111 ] -axis of distortion ) . The two lowest levels behave like a magnetic doublet , which , in addition , is well separated from the higher levels . In contrast to the Co2 + ions , near ...
... variation which is shown for a 7 - site ( [ 111 ] -axis of distortion ) . The two lowest levels behave like a magnetic doublet , which , in addition , is well separated from the higher levels . In contrast to the Co2 + ions , near ...
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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