Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
From inside the book
Results 1-3 of 64
Page 236
... orientation . The equation of motion is linearized by expanding eq . ( 5.10 ) about the equilibrium orientation and retaining only terms to first order in the deviation from equilibrium : ( 5.13 ) where ( 5.14 ) d - 8 ( M ) 8 ( MXVE ) + ...
... orientation . The equation of motion is linearized by expanding eq . ( 5.10 ) about the equilibrium orientation and retaining only terms to first order in the deviation from equilibrium : ( 5.13 ) where ( 5.14 ) d - 8 ( M ) 8 ( MXVE ) + ...
Page 244
... orientation of M is found by setting both E , and E , cosec 0 equal to zero . Setting E. 0 implies that the equilibrium value of 0 is л / 2 . Setting E , 0 with 0/2 yields the relation = = ( 5.49 ) M.H. sin ( q - H ) + 2 +27 M sin 29+ ...
... orientation of M is found by setting both E , and E , cosec 0 equal to zero . Setting E. 0 implies that the equilibrium value of 0 is л / 2 . Setting E , 0 with 0/2 yields the relation = = ( 5.49 ) M.H. sin ( q - H ) + 2 +27 M sin 29+ ...
Page 259
... 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 film lies in ( y , z ) ...
... 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 film lies in ( y , z ) ...
Other editions - View all
Common terms and phrases
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