Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 339
where I is the incident intensity , in number of photons per s and cm2 ; o , is connected to the base - e absorption ... energy and all centres are taken to be of this type at time t 0. Consequently , K , is close to 1 , B12 is neglected ...
where I is the incident intensity , in number of photons per s and cm2 ; o , is connected to the base - e absorption ... energy and all centres are taken to be of this type at time t 0. Consequently , K , is close to 1 , B12 is neglected ...
Page 486
... energy conservation fixes the direction of k , only magnons that are perpendicularly incident on the surface can be reflected properly . It is expected that a more detailed investigation of this phenomenon may reveal close connections ...
... energy conservation fixes the direction of k , only magnons that are perpendicularly incident on the surface can be reflected properly . It is expected that a more detailed investigation of this phenomenon may reveal close connections ...
Page 494
... energy and momentum : ( 12 ) ( 13 ) k kinek , W Wine Wk9 SC where the subscripts refer to the incident and the scattered photon , respectively , and the sign describes the anti - Stokes and Stokes processes . The photon wave vectors are ...
... energy and momentum : ( 12 ) ( 13 ) k kinek , W Wine Wk9 SC where the subscripts refer to the incident and the scattered photon , respectively , and the sign describes the anti - Stokes and Stokes processes . The photon wave vectors are ...
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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