Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 288
... experiment does not allow such a clear - cut selection of the k value of the spin wave as is the case in the parallel - pump experiment and , therefore , the method is less favourable for fundamental study of re- laxation . 37. Magnetic ...
... experiment does not allow such a clear - cut selection of the k value of the spin wave as is the case in the parallel - pump experiment and , therefore , the method is less favourable for fundamental study of re- laxation . 37. Magnetic ...
Page 297
... experiment . Since the dependence of the energy levels ε , upon 0 and P , and the relaxation times 7 , are not known from experiment or theory , the equations given above cannot be MAGNETIC - RELAXATION PHENOMENA 297 Energy levels ...
... experiment . Since the dependence of the energy levels ε , upon 0 and P , and the relaxation times 7 , are not known from experiment or theory , the equations given above cannot be MAGNETIC - RELAXATION PHENOMENA 297 Energy levels ...
Page 328
... experiment are shown : a ) the irradiation with white light and b ) the measurement of the photoinduced effect with respect to two different axes of a ( 001 ) sample . From ref . [ 18 ] . The typical arrangement for one of these experiments ...
... experiment are shown : a ) the irradiation with white light and b ) the measurement of the photoinduced effect with respect to two different axes of a ( 001 ) sample . From ref . [ 18 ] . The typical arrangement for one of these experiments ...
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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