Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 156
... mass ( 27у2 4 ) 1 . Figure 19 shows the real and imaginary components of complex susceptibility for a thick multi - domain platelet of composition Gd Fe , O12 confirming the Döring mass expression [ 23 ] . The linear dependence of mass ...
... mass ( 27у2 4 ) 1 . Figure 19 shows the real and imaginary components of complex susceptibility for a thick multi - domain platelet of composition Gd Fe , O12 confirming the Döring mass expression [ 23 ] . The linear dependence of mass ...
Page 182
... mass is negative , for a negative mass can easily be seen to imply that any infinitesimal initial wavelike perturbation of the wall 12π wxt -- Fig . 39. Theoretical velocity vs. momentum or time for a quasi - planar wall in a large in ...
... mass is negative , for a negative mass can easily be seen to imply that any infinitesimal initial wavelike perturbation of the wall 12π wxt -- Fig . 39. Theoretical velocity vs. momentum or time for a quasi - planar wall in a large in ...
Page 184
... mass density , typically 1 to 2 times greater than the classical Döring mass [ 44 ] , and they bear little kinetic energy . The wall moments reorient more easily within Bloch - line regions because the Bloch line may be displaced and ...
... mass density , typically 1 to 2 times greater than the classical Döring mass [ 44 ] , and they bear little kinetic energy . The wall moments reorient more easily within Bloch - line regions because the Bloch line may be displaced and ...
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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