Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 79
... constant u . Thereby the changes in lattice constant parallel and perpendicular to the film plane are correlated by the relation Aa + = ( ( 1 + μ ) / ( 1 - p ) ) Aa ' . For a nega- μ ) ) tive magnetostriction constant , a preferred ...
... constant u . Thereby the changes in lattice constant parallel and perpendicular to the film plane are correlated by the relation Aa + = ( ( 1 + μ ) / ( 1 - p ) ) Aa ' . For a nega- μ ) ) tive magnetostriction constant , a preferred ...
Page 152
... constant applied field and suppose the motion is periodic or statistically steady state in a co - ordinate frame of velocity V equal to the average of q over space and time . Then the mean of W is -2MHVA , and some manipulations lead to ...
... constant applied field and suppose the motion is periodic or statistically steady state in a co - ordinate frame of velocity V equal to the average of q over space and time . Then the mean of W is -2MHVA , and some manipulations lead to ...
Page 168
... constant velocity V. In the moving frame of reference its shape and its y distribution are constant . To make Y in eq . ( 6.15 ) also constant we choose the origin O ' to move with the domain so that we have u = V and eq . ( 6.11 ) ...
... constant velocity V. In the moving frame of reference its shape and its y distribution are constant . To make Y in eq . ( 6.15 ) also constant we choose the origin O ' to move with the domain so that we have u = V and eq . ( 6.11 ) ...
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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