Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 35
... determined from powder X - ray diffraction intensity data that , in { YCa , } Sn , Fe3O12 , 90 % of the Sn4 + ions were in octahedral sites . ( The agreement between calculated and observed intensities still looks excellent today ...
... determined from powder X - ray diffraction intensity data that , in { YCa , } Sn , Fe3O12 , 90 % of the Sn4 + ions were in octahedral sites . ( The agreement between calculated and observed intensities still looks excellent today ...
Page 485
and therefore must be determined by the boundary conditions imposed by the finite specimen . This allows us to determine Ak . By means of the dispersion relation ( 2 ) and the experimentally observed AH , k can be calculated . This ...
and therefore must be determined by the boundary conditions imposed by the finite specimen . This allows us to determine Ak . By means of the dispersion relation ( 2 ) and the experimentally observed AH , k can be calculated . This ...
Page 497
... determined by BS . All measurements were done with green ( 2 = 514.5 nm ) argon laser light , because FeBO , shows an absorption mini- mum exactly at this wavelength [ 11 ] . - 3'3 . Results on spin wave dispersion . Any of the three ...
... determined by BS . All measurements were done with green ( 2 = 514.5 nm ) argon laser light , because FeBO , shows an absorption mini- mum exactly at this wavelength [ 11 ] . - 3'3 . Results on spin wave dispersion . Any of the three ...
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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