Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 114
... expression can be derived for the temperature variation . For S - state ions the calculation of K1 ( T ) yields the expression [ 121 ] ( 8.9 ) 7 ΣΝ , p K , ( T ) = ≥ N , [ ( a , + 1 , P , F , ) r ( 2 , ) + PD ( 2 ) ] , exch kT where p ...
... expression can be derived for the temperature variation . For S - state ions the calculation of K1 ( T ) yields the expression [ 121 ] ( 8.9 ) 7 ΣΝ , p K , ( T ) = ≥ N , [ ( a , + 1 , P , F , ) r ( 2 , ) + PD ( 2 ) ] , exch kT where p ...
Page 279
... expression gives for AH the mag- nitude and dependence upon R which is shown in fig . 4 , though the numerical factor which appears in the expression can have little significance in view of the simplifying assumptions made in developing ...
... expression gives for AH the mag- nitude and dependence upon R which is shown in fig . 4 , though the numerical factor which appears in the expression can have little significance in view of the simplifying assumptions made in developing ...
Page 346
... expression of N , in terms of o , ( , ) . This expression is the same as that in the preceding paragraph . In addition , a form for E , is required . In applying this theory to Si - doped YIG [ 23 ] , one may use for E , the expression ...
... expression of N , in terms of o , ( , ) . This expression is the same as that in the preceding paragraph . In addition , a form for E , is required . In applying this theory to Si - doped YIG [ 23 ] , one may use for E , the expression ...
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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