Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 163
... positive and all others negative . Integrating over the surface of a sphere centered on the Bloch point we find ( 5.13 ) Jg · ds - + ΑΠ dS BD with + and corresponding to positive and negative Bloch points . It is clear that g is a kind ...
... positive and all others negative . Integrating over the surface of a sphere centered on the Bloch point we find ( 5.13 ) Jg · ds - + ΑΠ dS BD with + and corresponding to positive and negative Bloch points . It is clear that g is a kind ...
Page 174
... positive or negative according to the sign of tZ 。. --- H. 72. Periodic array . Consider an infinite periodic arrangement of positive vertical л - lines lying on a wall parallel to the ( x , z ) -plane . When a field H is applied , the ...
... positive or negative according to the sign of tZ 。. --- H. 72. Periodic array . Consider an infinite periodic arrangement of positive vertical л - lines lying on a wall parallel to the ( x , z ) -plane . When a field H is applied , the ...
Page 259
... positive values of y the orientation of the spins is in the positive a - direction . The Bloch wall will lie in the ( x , z ) -plane and the orientation of the spins in the y 0 plane is taken as the positive z - direction . The thin ...
... positive values of y the orientation of the spins is in the positive a - direction . The Bloch wall will lie in the ( x , z ) -plane and the orientation of the spins in the y 0 plane is taken as the positive z - direction . The thin ...
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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