Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 151
... approximation ( 4.6 ) σ = σ % [ 1 + { ( q2 + q ? ) ] + 2AA , ( y2 + y2 ) + +474 M2 sin2 y - л , м ( Н , cos y + H , sin y ) — 2 MH . q . 0 - Here we have added the term 2 MH , q to take into account the energy of wall displacement in an ...
... approximation ( 4.6 ) σ = σ % [ 1 + { ( q2 + q ? ) ] + 2AA , ( y2 + y2 ) + +474 M2 sin2 y - л , м ( Н , cos y + H , sin y ) — 2 MH . q . 0 - Here we have added the term 2 MH , q to take into account the energy of wall displacement in an ...
Page 211
... approximation given by eq . ( 2.32 ) . a ) sin2 01 , b ) sin2 0 = 0 . D≈ 10-28 erg cm2 and , for k ( 2.33 ) = 1 106 cm - 1 , Dk2 10-16 erg≈ 1 k , erg . B - 140 G for which gu 47 M is 0.2 kg erg , so the ap- At room temperature , M ...
... approximation given by eq . ( 2.32 ) . a ) sin2 01 , b ) sin2 0 = 0 . D≈ 10-28 erg cm2 and , for k ( 2.33 ) = 1 106 cm - 1 , Dk2 10-16 erg≈ 1 k , erg . B - 140 G for which gu 47 M is 0.2 kg erg , so the ap- At room temperature , M ...
Page 389
... approximations . Thus in this regime data on rotation and MCD across a spectral line give a very close approximation to the behavior of ε12 #T and 12 . - A parallel analysis may be performed for the polar Kerr effect . Recall our ...
... approximations . Thus in this regime data on rotation and MCD across a spectral line give a very close approximation to the behavior of ε12 #T and 12 . - A parallel analysis may be performed for the polar Kerr effect . Recall our ...
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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