Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page xi
... intrinsic conductivity range 25. Impurity and inhomogeneous conduction . 3. Low - temperature results . 31. D.c. measurements 3'2 . Dielectric properties 3 3. Inhomogeneous conduction 4. High - temperature results 42. Intrinsic ...
... intrinsic conductivity range 25. Impurity and inhomogeneous conduction . 3. Low - temperature results . 31. D.c. measurements 3'2 . Dielectric properties 3 3. Inhomogeneous conduction 4. High - temperature results 42. Intrinsic ...
Page 422
... intrinsic conductivity range . It is useful to distinguish between the extrinsic conductivity range , where σ and a are determined by one type of carriers only , e.g. σ ~ σ and a ~ a_ , and the intrinsic conductivity range , where στ ...
... intrinsic conductivity range . It is useful to distinguish between the extrinsic conductivity range , where σ and a are determined by one type of carriers only , e.g. σ ~ σ and a ~ a_ , and the intrinsic conductivity range , where στ ...
Page 423
... intrinsic conductivity range we have to use eqs . ( 1 ) and ( 5 ) . A useful approach to the two - carrier analysis has been given by JONKER [ 31 ] . He com- bined the expressions for σ and a into 1 σ ( 22 ) xe / k = - ± 5 € [ 1 ...
... intrinsic conductivity range we have to use eqs . ( 1 ) and ( 5 ) . A useful approach to the two - carrier analysis has been given by JONKER [ 31 ] . He com- bined the expressions for σ and a into 1 σ ( 22 ) xe / k = - ± 5 € [ 1 ...
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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