Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 338
... cross - section a ,, also the capture probabilities of the different sites and the spontaneous thermal charge transfer processes , namely d ( 1 ) N , = T dt .Σ IN , o , + IK , No ; - N , Σ Bri + Σ Bir Ni , ΣBN , i # r itr where I is the ...
... cross - section a ,, also the capture probabilities of the different sites and the spontaneous thermal charge transfer processes , namely d ( 1 ) N , = T dt .Σ IN , o , + IK , No ; - N , Σ Bri + Σ Bir Ni , ΣBN , i # r itr where I is the ...
Page 341
... cross - section may be calculated . This is best done in case of monochromatic irradiation : at 1.3 μm , one finds σ3.10-20 cm2 [ 19 ] . In fig . 18 , one observes the photoinduced torque in- creasing in magnitude and then approaching ...
... cross - section may be calculated . This is best done in case of monochromatic irradiation : at 1.3 μm , one finds σ3.10-20 cm2 [ 19 ] . In fig . 18 , one observes the photoinduced torque in- creasing in magnitude and then approaching ...
Page 351
... cross - section [ 10 ] . Another difficulty is that a lattice distortion parameter has to be introduced in order to fit the experimental polarization dependence of photoinduced dichroism [ 32 ] . This may be an indication that the ...
... cross - section [ 10 ] . Another difficulty is that a lattice distortion parameter has to be introduced in order to fit the experimental polarization dependence of photoinduced dichroism [ 32 ] . This may be an indication that the ...
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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