Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 18
... contributions are equal and opposite ; above T. , the spin contribution dominates . The temperature- independent contribution is opposite in sign to that of the Sm3 moment ; that is , it is in the same direction as the spin part of J ...
... contributions are equal and opposite ; above T. , the spin contribution dominates . The temperature- independent contribution is opposite in sign to that of the Sm3 moment ; that is , it is in the same direction as the spin part of J ...
Page 49
... contribution to 13.9μ . The difference in the effective Fe3 + ion moments is 5 [ 0.78 -0.72 0.82 ] μ 1.0μ . The net moment at 0 K is then 14.9μ . The amount of canting appears to be reasonable for the de- duced distribution . However ...
... contribution to 13.9μ . The difference in the effective Fe3 + ion moments is 5 [ 0.78 -0.72 0.82 ] μ 1.0μ . The net moment at 0 K is then 14.9μ . The amount of canting appears to be reasonable for the de- duced distribution . However ...
Page 285
... contribution to the line width which is proportional to H / 47 M 。. The nonuniform magnetic - dipole field due to pores or nonmagnetic inclusions gives a contribution to AH proportional to р4л M. , where the porosity p is the fraction ...
... contribution to the line width which is proportional to H / 47 M 。. The nonuniform magnetic - dipole field due to pores or nonmagnetic inclusions gives a contribution to AH proportional to р4л M. , where the porosity p is the fraction ...
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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