Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 276
... sequence wavelike disturbances can propogate through the array . When the wavelength is much less than the sample dimension , plane waves form an adequate description of these disturbances , which are known as spin waves . The motion of ...
... sequence wavelike disturbances can propogate through the array . When the wavelength is much less than the sample dimension , plane waves form an adequate description of these disturbances , which are known as spin waves . The motion of ...
Page 366
... sequence of this homogenization depends on the concentration of ferrous ions : for high dope levels it makes little difference because no « far » sites are avail- able , but for low dopes it effectively means a separation of ferrous ...
... sequence of this homogenization depends on the concentration of ferrous ions : for high dope levels it makes little difference because no « far » sites are avail- able , but for low dopes it effectively means a separation of ferrous ...
Page 382
... sequence of linear polarizations around the equator as retardation increases . A dichroic medium is one in which the absorption for one normal mode is greater than that for the other . Again , on entering such a medium an incident ...
... sequence of linear polarizations around the equator as retardation increases . A dichroic medium is one in which the absorption for one normal mode is greater than that for the other . Again , on entering such a medium an incident ...
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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