Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 56
... field - induced anisotropy . The shape of any magnetic specimen gives rise to a certain distribution of magnetic poles on its surface . They cause the formation of demagnetizing fields ... equations . In contrast to the shape anisotropy , the ...
... field - induced anisotropy . The shape of any magnetic specimen gives rise to a certain distribution of magnetic poles on its surface . They cause the formation of demagnetizing fields ... equations . In contrast to the shape anisotropy , the ...
Page 233
... field at the site of the spins due to the applied field , the demagnetization and bulk anisotropy fields , is the ... Equations of motion . – The analysis of spin wave resonance experiments can also be evaluated in terms of a continuum model ...
... field at the site of the spins due to the applied field , the demagnetization and bulk anisotropy fields , is the ... Equations of motion . – The analysis of spin wave resonance experiments can also be evaluated in terms of a continuum model ...
Page 297
... Equations ( 9 ) and ( 10 ) are the expressions we require for the resonant fre- quency and line width according to the longitudinal - relaxation model . The contribution which the magnetic anisotropy field makes to the resonant fre ...
... Equations ( 9 ) and ( 10 ) are the expressions we require for the resonant fre- quency and line width according to the longitudinal - relaxation model . The contribution which the magnetic anisotropy field makes to the resonant fre ...
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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