Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 2
... space group Ia3d . The ferrimagnetic garnets do not actually belong to the cubic space group . It should be obvious that it is not possible for a crystal that has a spontaneous polarization , either magnetic or electric , to be cubic ...
... space group Ia3d . The ferrimagnetic garnets do not actually belong to the cubic space group . It should be obvious that it is not possible for a crystal that has a spontaneous polarization , either magnetic or electric , to be cubic ...
Page 6
... space groups . Several garnets have been investigated with neutron ... group I4 / ac'd are antiferromagnetic . In these cases the paramagnetic ions ... space group has not been determined , but the structure probably belongs to a ...
... space groups . Several garnets have been investigated with neutron ... group I4 / ac'd are antiferromagnetic . In these cases the paramagnetic ions ... space group has not been determined , but the structure probably belongs to a ...
Page 7
... space group Temperature ( K ) ( " ) Reference 14 / ac'd ' 4.2 [ 13 ] { NaCa2 } [ Mn , ] ( V3 ) O12 4.2 [ 14 ] ... space groups 1,4,22 or 1,4,22 ' . The magnetic moments of the Fe3 + ions are parallel to the fourfold screw axis and the ...
... space group Temperature ( K ) ( " ) Reference 14 / ac'd ' 4.2 [ 13 ] { NaCa2 } [ Mn , ] ( V3 ) O12 4.2 [ 14 ] ... space groups 1,4,22 or 1,4,22 ' . The magnetic moments of the Fe3 + ions are parallel to the fourfold screw axis and 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