Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 16
... values . As far as I know , the 0 K spontaneous magnetizations of the system have not been measured , but it is very likely that they too would fit . Of course , it is necessary to show that the complete n ̧ vs. T curve for a given a ...
... values . As far as I know , the 0 K spontaneous magnetizations of the system have not been measured , but it is very likely that they too would fit . Of course , it is necessary to show that the complete n ̧ vs. T curve for a given a ...
Page 220
... values of 7 ' are determined from a set of characteristic equations obtained by substituting eqs . ( 4.25 ) into eqs . ( 4.20 ) . For symmetric waves ( 4.27 ) f ( x ' ) COS L + 1 2 L 1 τ ' COS T ' A ( k ) , 2 and for antisymmetric waves ...
... values of 7 ' are determined from a set of characteristic equations obtained by substituting eqs . ( 4.25 ) into eqs . ( 4.20 ) . For symmetric waves ( 4.27 ) f ( x ' ) COS L + 1 2 L 1 τ ' COS T ' A ( k ) , 2 and for antisymmetric waves ...
Page 310
... values for the parameters in eq . ( 20 ) Maλ 102 cm - 1 and f2 = 0.728 . The measured and calculated values for the anisotropy field agree well over a wide range of tem- perature . - = The expression for the line width of ferromagnetic ...
... values for the parameters in eq . ( 20 ) Maλ 102 cm - 1 and f2 = 0.728 . The measured and calculated values for the anisotropy field agree well over a wide range of tem- perature . - = The expression for the line width of ferromagnetic ...
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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