Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 347
... curves , and a definite solution is obtained for each type of site as a consequence of symmetry alone . The curves for each of the three cases will appear to be markedly different , thus providing a powerful tool [ 29 ] in determining ...
... curves , and a definite solution is obtained for each type of site as a consequence of symmetry alone . The curves for each of the three cases will appear to be markedly different , thus providing a powerful tool [ 29 ] in determining ...
Page 350
... curves are those , among the ones of fig . 20 , which are referred to octahedral photoactive centres . The only adjustable parameter in the theory is the normalization of the curve in b ) , which is made to give the experimental value ...
... curves are those , among the ones of fig . 20 , which are referred to octahedral photoactive centres . The only adjustable parameter in the theory is the normalization of the curve in b ) , which is made to give the experimental value ...
Page 488
... curve on the crystallographic orientation . The curves have been calculated from eq . ( 2 ) by assuming k = 0. The upper curves ( referring to the right - hand scale ) give the threshold variation ; [ h . ( || ) ] is the threshold if ...
... curve on the crystallographic orientation . The curves have been calculated from eq . ( 2 ) by assuming k = 0. The upper curves ( referring to the right - hand scale ) give the threshold variation ; [ h . ( || ) ] is the threshold if ...
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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