Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 45
... Gd3 + ion moments . In the { Gd , Y } [ Sc , Fe , ] ( Fe , ) O12 system , the proportion is closer to one than it is ... 2 0 0.5 1 ) 1.0 2 ) 3 ) 1.5 X 2.0 Fig . 19 . ( 0 , 0 ) vs. x 1 ) derived by subtracting the 0 K spontaneous ...
... Gd3 + ion moments . In the { Gd , Y } [ Sc , Fe , ] ( Fe , ) O12 system , the proportion is closer to one than it is ... 2 0 0.5 1 ) 1.0 2 ) 3 ) 1.5 X 2.0 Fig . 19 . ( 0 , 0 ) vs. x 1 ) derived by subtracting the 0 K spontaneous ...
Page 49
... ion moments , further re- duces the Gd3 + ion contribution to 13.9μ . The difference in the effective Fe3 + ion ... 2 , there is a somewhat greater pref- erence of Al3 + ions for the tetrahedral sites than in the { Y } Fe , Al , O12 ...
... ion moments , further re- duces the Gd3 + ion contribution to 13.9μ . The difference in the effective Fe3 + ion ... 2 , there is a somewhat greater pref- erence of Al3 + ions for the tetrahedral sites than in the { Y } Fe , Al , O12 ...
Page 88
... ions with large spin values like Fe3 + ( S = § ) and Gd3 + ( 8 2 ) ions [ 104 ] . Garnets of composition Y , [ Fe , _ , Ga2 ] ( Feз– „ Ga1 ) O12 represent such a system , where only the S - state Fe3 + ions on tetrahedral and octahedral ...
... ions with large spin values like Fe3 + ( S = § ) and Gd3 + ( 8 2 ) ions [ 104 ] . Garnets of composition Y , [ Fe , _ , Ga2 ] ( Feз– „ Ga1 ) O12 represent such a system , where only the S - state Fe3 + ions on tetrahedral and octahedral ...
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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