Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 333
... respect to the centre , is ( 1 , k , - ( 1 + k ) ) , where k = = ( ≈2y + x ) / ( z + y - 2x ) . From fig . 12c ) we note the following : i ) The 100 - axes are directions of symmetry with respect to all the octahedra : so , for example ...
... respect to the centre , is ( 1 , k , - ( 1 + k ) ) , where k = = ( ≈2y + x ) / ( z + y - 2x ) . From fig . 12c ) we note the following : i ) The 100 - axes are directions of symmetry with respect to all the octahedra : so , for example ...
Page 335
... respect to all the tetrahedra ; ii ) with respect to the [ 100 ] -direction , the twelve orientational types of tetrahedra are divided into two unequal groups : the four having tetragonal axis coincident with [ 100 ] and the other eight ...
... respect to all the tetrahedra ; ii ) with respect to the [ 100 ] -direction , the twelve orientational types of tetrahedra are divided into two unequal groups : the four having tetragonal axis coincident with [ 100 ] and the other eight ...
Page 337
... respect to any axis ) after irradiation by linearly polarized light with the magnetization and the inducing electric vector E parallel to [ 100 ] . [ 100 ] dichroism in particular is never expected , in any case , even when the ...
... respect to any axis ) after irradiation by linearly polarized light with the magnetization and the inducing electric vector E parallel to [ 100 ] . [ 100 ] dichroism in particular is never expected , in any case , even when 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