Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 40
... rule this explanation out also . Another suggestion by SMOLENSKII and POLYAKOV [ 124 ] is that the V3 + ions in the d - sites have nonzero - spin states because of the different known valence states of vanadium , thus enhancing the ...
... rule this explanation out also . Another suggestion by SMOLENSKII and POLYAKOV [ 124 ] is that the V3 + ions in the d - sites have nonzero - spin states because of the different known valence states of vanadium , thus enhancing the ...
Page 173
... rule for functional derivatives we find the equalities ( 7.4 ) SW SX = S δσ da = SX S δσ δψ dx . Sy SX To represent a л - Bloch line moving with velocity V1 = ( X , Y ) , we let X and Y = q depend on time . Then eqs . ( 3.11 ) and ( 7.2 ) ...
... rule for functional derivatives we find the equalities ( 7.4 ) SW SX = S δσ da = SX S δσ δψ dx . Sy SX To represent a л - Bloch line moving with velocity V1 = ( X , Y ) , we let X and Y = q depend on time . Then eqs . ( 3.11 ) and ( 7.2 ) ...
Page 452
... rule is obeyed and the transition occurs at the pure exciton level plus a magnon energy . Since the pair does not possess inversion symmetry , the parity selection rule is relaxed . Support for this mechanism . was provided by VAN DER ...
... rule is obeyed and the transition occurs at the pure exciton level plus a magnon energy . Since the pair does not possess inversion symmetry , the parity selection rule is relaxed . Support for this mechanism . was provided by VAN DER ...
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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