Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 33
... mathematical model except in the region of a - d interaction dominance ( see subsect . III.3'5 ) . Simple mathematical models hide the fine points which are important to profound understanding . III.3 5. A semi - empirical mathematical ...
... mathematical model except in the region of a - d interaction dominance ( see subsect . III.3'5 ) . Simple mathematical models hide the fine points which are important to profound understanding . III.3 5. A semi - empirical mathematical ...
Page 34
... mathematical representation of the Geller model . It makes use also of the Yafet - Kittel and Gilleo formalisms . However , without going into detail ( because there is yet much to write ) , it fails in many ways to account for the ...
... mathematical representation of the Geller model . It makes use also of the Yafet - Kittel and Gilleo formalisms . However , without going into detail ( because there is yet much to write ) , it fails in many ways to account for the ...
Page 260
... mathematical techniques , the derivatives of the unit vectors are ( 8.6 ) = O'êosin Oq'éq . = O'é , + cos 0q'ê , = sin Oq'ê , cos Oq'éo . To determine the equilibrium distributions of the spins within the domain wall , only terms to ...
... mathematical techniques , the derivatives of the unit vectors are ( 8.6 ) = O'êosin Oq'éq . = O'é , + cos 0q'ê , = sin Oq'ê , cos Oq'éo . To determine the equilibrium distributions of the spins within the domain wall , only terms to ...
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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