## Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |

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Page 41

A Mössbauer-effect investigation at 78 K [133] shows that the effective magnetic

fields at the a-sites of {Ya_s. ... In the latter, the

increases with a to a = 1.5 and then decreases indicating that the distortion of ...

A Mössbauer-effect investigation at 78 K [133] shows that the effective magnetic

fields at the a-sites of {Ya_s. ... In the latter, the

**electric**-**field**gradient at the a-sitesincreases with a to a = 1.5 and then decreases indicating that the distortion of ...

Page 203

The solutions are of the form (1.33) C; , , = 2 sinkia + p cos kia t and the energy is

given by (1.34) E = – (N – 2)gue Ho" – (N – 5). ... The crystalline

introduce second-order effects in the spin Hamiltonian via spin-orbit or spinspin ...

The solutions are of the form (1.33) C; , , = 2 sinkia + p cos kia t and the energy is

given by (1.34) E = – (N – 2)gue Ho" – (N – 5). ... The crystalline

**electric field**mayintroduce second-order effects in the spin Hamiltonian via spin-orbit or spinspin ...

Page 421

Under the influence of an applied

takes place, with a characteristic relaxation time t. The corresponding complex

dielectric constant e, -i- is, has the form (13a) ELECTRICAL PROPERTIES OF ...

Under the influence of an applied

**electric field**a partial alignment of the dipolestakes place, with a characteristic relaxation time t. The corresponding complex

dielectric constant e, -i- is, has the form (13a) ELECTRICAL PROPERTIES OF ...

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### Contents

Gruppo fotografico dei partecipanti al Corso fuori testo | 1 |

Octahedral sites | 3 |

Hightemperature results | 4 |

Copyright | |

34 other sections not shown

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### Common terms and phrases

absorption angle anisotropy constants anisotropy energy annealing antiferromagnetic Appl axis Bloch lines Bloch point Bloch wall Bloch-line bubble calculated coefficients compensation point contribution Coºt crystal field cubic Curie temperature curve d-site diamagnetic dichroism direction of magnetization domain wall effects electron energy levels equation exchange experimental Fe2+ Fe3+ ions ferromagnetic resonance formula unit frequency gadolinium Gd3+ ion GELLER GILLEo given Hamiltonian interaction ion moments Journ lattice constant line width linear magnetic field magnetic ions magnetoelastic magnetostriction constants measurements neutron diffraction observed octahedral octahedral sites orientation parameter phonons photoinduced photomagnetic Phys plane polarization rare-earth ions rare-earth iron garnets relaxation respectively room temperature rotation sample shown in fig specimens spin wave spontaneous magnetization sublattice substitution symmetry temperature dependence temperature variation tetrahedral theory tion torque transition uniaxial anisotropy valence values vector velocity yttrium iron garnet