Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 48
... respectively . The analogous { Y } [ Mg , Fe ] ( Fe , Si , ) O12 specimens have 0 K spontaneous magnetizations of 4.65 and 3.8μ , respectively [ 150 ] . The values of 1- ko for these are both 1.00 . If the effective Gd3 + ion moments ...
... respectively . The analogous { Y } [ Mg , Fe ] ( Fe , Si , ) O12 specimens have 0 K spontaneous magnetizations of 4.65 and 3.8μ , respectively [ 150 ] . The values of 1- ko for these are both 1.00 . If the effective Gd3 + ion moments ...
Page 104
... respectively . The degree of anisotropy of these lowest levels thus is a clear indication for the magnitude of anisotropic phenomena such as magnetic anisotropy , magnetostriction , or relaxation mechanisms . - B If we apply the ...
... respectively . The degree of anisotropy of these lowest levels thus is a clear indication for the magnitude of anisotropic phenomena such as magnetic anisotropy , magnetostriction , or relaxation mechanisms . - B If we apply the ...
Page 423
... respectively the donor concentrations , the tem- perature dependence of the Fermi energy can be approximated with a ( 20 ) a d E - EE- kT In [ ( N. - Na ) / g + Na ] , Er = + where E is the ionization energy of the acceptors and g is ...
... respectively the donor concentrations , the tem- perature dependence of the Fermi energy can be approximated with a ( 20 ) a d E - EE- kT In [ ( N. - Na ) / g + Na ] , Er = + where E is the ionization energy of the acceptors and g is ...
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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