Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 63
... lowest - order terms in the a , are those with h + i + j = 4 , 6 , 8 , 10 , ... , while all other coefficients in eq . ( 1.2 ) vanish . If we use the relations ( 1.5 ) 3 Σα i = 1 3 Σα 3 Σα ¿ 1 3 = - = 1 , 1- 28 , 1-383p , a1-484p + 282 ...
... lowest - order terms in the a , are those with h + i + j = 4 , 6 , 8 , 10 , ... , while all other coefficients in eq . ( 1.2 ) vanish . If we use the relations ( 1.5 ) 3 Σα i = 1 3 Σα 3 Σα ¿ 1 3 = - = 1 , 1- 28 , 1-383p , a1-484p + 282 ...
Page 109
... lowest order [ 121 , 132 ] K1 - 7 Pil ( a + P1F ) + + PINS ( 28-1 ) ( 8S - 5 ) D2 gμg Hexch ( 8.2 ) K2 = p2NS ( 28-1 ) . where Pi - - [ 3 ( 28 — 1 ) 2 + ( 28 − 1 ) ( 28 — 3 ) — 3 ( 8—1 ) D3 ( 9μB Hexch ) 2 ' 48 and P2 for tetrahedral ...
... lowest order [ 121 , 132 ] K1 - 7 Pil ( a + P1F ) + + PINS ( 28-1 ) ( 8S - 5 ) D2 gμg Hexch ( 8.2 ) K2 = p2NS ( 28-1 ) . where Pi - - [ 3 ( 28 — 1 ) 2 + ( 28 − 1 ) ( 28 — 3 ) — 3 ( 8—1 ) D3 ( 9μB Hexch ) 2 ' 48 and P2 for tetrahedral ...
Page 220
... order mode has an absolutely » pinned boundary condition na L. As A increases to unity , the lowest - energy mode be ... low - energy spin wave modes for different values of the surface parameter are shown in fig . 6. It is noted that ...
... order mode has an absolutely » pinned boundary condition na L. As A increases to unity , the lowest - energy mode be ... low - energy spin wave modes for different values of the surface parameter are shown in fig . 6. It is noted that ...
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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