Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 147
... wall orientation . Therefore , a pair of neighboring vertical Bloch lines at a large distance s always attract . In the limit h≫s the attractive force is 8 ( л , M ) / s per unit length ... Bloch lines 3'3 Interactions between Bloch lines.
... wall orientation . Therefore , a pair of neighboring vertical Bloch lines at a large distance s always attract . In the limit h≫s the attractive force is 8 ( л , M ) / s per unit length ... Bloch lines 3'3 Interactions between Bloch lines.
Page 174
Bloch line is [ 42 ] ( 7.8 ) FL = ( 2ØM / y ) V1 × t + [ 4αME2 ( H „ ) / yQ3 E1 ( 0 ) ] V2 , where t = a unit vector ... wall parallel to the ( x , z ) -plane . When a field H is applied , the wall moves with velocity V , while the Bloch ...
Bloch line is [ 42 ] ( 7.8 ) FL = ( 2ØM / y ) V1 × t + [ 4αME2 ( H „ ) / yQ3 E1 ( 0 ) ] V2 , where t = a unit vector ... wall parallel to the ( x , z ) -plane . When a field H is applied , the wall moves with velocity V , while the Bloch ...
Page 259
... wall has been a topic of considerable interest for some time . WINTER [ 77 ] has evaluated the excitation spectrum of the Bloch wall and its contributions to the NMR re- laxation time [ 78-81 ] . The role of domain walls in magnetic ...
... wall has been a topic of considerable interest for some time . WINTER [ 77 ] has evaluated the excitation spectrum of the Bloch wall and its contributions to the NMR re- laxation time [ 78-81 ] . The role of domain walls in magnetic ...
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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