Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 421
... scattering sites , the drift mobility varies as T. At high temperatures the temperature dependence of the mobility is mainly determined by scattering of charge carriers with lattice vibrations , which gives μ∞ T1 . For the band model ...
... scattering sites , the drift mobility varies as T. At high temperatures the temperature dependence of the mobility is mainly determined by scattering of charge carriers with lattice vibrations , which gives μ∞ T1 . For the band model ...
Page 479
... scattering from thermally excited magnons [ 8 ] . Here the excitation of a distinct magnon mode is not necessary , thus avoiding the difficulties of excitation mentioned above . The first experiments were done with YIG to assess the ...
... scattering from thermally excited magnons [ 8 ] . Here the excitation of a distinct magnon mode is not necessary , thus avoiding the difficulties of excitation mentioned above . The first experiments were done with YIG to assess the ...
Page 494
... scattering from thermal magnons . The investigations of spin waves described in sect . 2 were based on a selective ex- citation of magnons . An alternative method is ... scattering Basic features of Brillouin scattering from thermal magnons.
... scattering from thermal magnons . The investigations of spin waves described in sect . 2 were based on a selective ex- citation of magnons . An alternative method is ... scattering Basic features of Brillouin scattering from thermal magnons.
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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