Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 242
... Curve a ) is the angle dependence predicted in sect . 4 , which was considered in the cir- cular - precession approximation , where σ = 0. Curve b ) is the angle dependence predicted from eq . ( 5.41 ) with the elliptical term included .
... Curve a ) is the angle dependence predicted in sect . 4 , which was considered in the cir- cular - precession approximation , where σ = 0. Curve b ) is the angle dependence predicted from eq . ( 5.41 ) with the elliptical term included .
Page 285
... Curve 1 ) for YIG , curve 2 ) y = 0.3 in { Y2.4Cao . } [ Fe - In , ] ( Fe2.7 Vo.3 ) O12 , curve 3 ) y = 0.7 . ( After [ 14 ] . ) values for AH plotted as a function of 2 ( w / m ) for spherical specimens of three compositions . The curve ...
... Curve 1 ) for YIG , curve 2 ) y = 0.3 in { Y2.4Cao . } [ Fe - In , ] ( Fe2.7 Vo.3 ) O12 , curve 3 ) y = 0.7 . ( After [ 14 ] . ) values for AH plotted as a function of 2 ( w / m ) for spherical specimens of three compositions . The curve ...
Page 428
... ( curve 2 ) ) . HISA- TAKE [ 19 ] has observed a rather discontinuous decrease in the activation energy of o ( from 0.65 eV above 250 K to 0.05 eV below 250 K ) . It should be remarked Q that curve 2 ) shows a dramatic change in slope ...
... ( curve 2 ) ) . HISA- TAKE [ 19 ] has observed a rather discontinuous decrease in the activation energy of o ( from 0.65 eV above 250 K to 0.05 eV below 250 K ) . It should be remarked Q that curve 2 ) shows a dramatic change in slope ...
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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