Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 161
... finite region including it is finite , so it is physically acceptable . The total exchange energy in a sphere of small radius g is [ 26 ] ( 5.4 ) Swav = 2 far 14 = 2 Ar 24лr2 dr = 8лAQ . - Judging from fig . 24 , it appears that the ...
... finite region including it is finite , so it is physically acceptable . The total exchange energy in a sphere of small radius g is [ 26 ] ( 5.4 ) Swav = 2 far 14 = 2 Ar 24лr2 dr = 8лAQ . - Judging from fig . 24 , it appears that the ...
Page 206
... finite space . If S is repeatedly applied , the state ŋ ; = 28 is eventually reached , at this point f ; becomes zero and further spin lowering will have no effect , as indeed must be the situation in a real ferromagnet . In order to ...
... finite space . If S is repeatedly applied , the state ŋ ; = 28 is eventually reached , at this point f ; becomes zero and further spin lowering will have no effect , as indeed must be the situation in a real ferromagnet . In order to ...
Page 214
... finite real propagation constant in the plane of the film , k , and an imaginary propagation constant normal to the propagation surface with a characteristic decay length often several times the film thickness . As a result , the ...
... finite real propagation constant in the plane of the film , k , and an imaginary propagation constant normal to the propagation surface with a characteristic decay length often several times the film thickness . As a result , 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