Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 6
... Antiferromagnetic garnets . There are three major types of magnetic ordering that are relevant to garnets ; these are ferrimagnetic , antiferromagnetic and weakly ferromagnetic . All these should be representable by magnetic space ...
... Antiferromagnetic garnets . There are three major types of magnetic ordering that are relevant to garnets ; these are ferrimagnetic , antiferromagnetic and weakly ferromagnetic . All these should be representable by magnetic space ...
Page 27
... antiferromagnetic exchange interactions and predicts a transition from the ferrimagnetic to an antiferromagnetic ground state at a certain value of x , depending on the exchange constants of the unsubstituted ferrospinel . In the ...
... antiferromagnetic exchange interactions and predicts a transition from the ferrimagnetic to an antiferromagnetic ground state at a certain value of x , depending on the exchange constants of the unsubstituted ferrospinel . In the ...
Page 32
... antiferromagnetic interactions are much stronger than the a - a antiferromagnetic interactions . Point e ) is con- sistent with the dominance of the intrasublattice interaction in the antiferro- magnetic ground - state region . ( Si ++ ) ...
... antiferromagnetic interactions are much stronger than the a - a antiferromagnetic interactions . Point e ) is con- sistent with the dominance of the intrasublattice interaction in the antiferro- magnetic ground - state region . ( Si ++ ) ...
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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