Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 9
... neutron diffraction study below the ordering temperature , ~ 6 K , would appear to be worthwhile . = 12 It is needless to say that the most important of the garnets are those that are ferrimagnetic . Neutron diffraction investigations ...
... neutron diffraction study below the ordering temperature , ~ 6 K , would appear to be worthwhile . = 12 It is needless to say that the most important of the garnets are those that are ferrimagnetic . Neutron diffraction investigations ...
Page 22
... neutron diffraction in an applied field of at least 25 kOe might give informa- tion on the effect of the field on the rotation of the Tm3 + ion moments which might also be taking ... Neutron diffraction analyses of rare-earth iron garnets.
... neutron diffraction in an applied field of at least 25 kOe might give informa- tion on the effect of the field on the rotation of the Tm3 + ion moments which might also be taking ... Neutron diffraction analyses of rare-earth iron garnets.
Page 23
... neutron diffraction analysis imply a 0 K spontaneous magnetiza- tion of 13.6μ BERTAUT et al . [ 73 ] have actually observed the rhombohedral distortion of the unit cell of TbIG below 200 K. The distortion saturates at 7′30 ′′ at 16 K ...
... neutron diffraction analysis imply a 0 K spontaneous magnetiza- tion of 13.6μ BERTAUT et al . [ 73 ] have actually observed the rhombohedral distortion of the unit cell of TbIG below 200 K. The distortion saturates at 7′30 ′′ at 16 K ...
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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