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

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Page 48

In fact, up to a = 2.0, each Gd+ ion appears to contribute 7 un; at a = 2.25, 6.3 up

and, at a = 2.5, 4.8 a.m. The calculations based on the above proposal give 6.4,

5.8 and 4.7 un,

...

In fact, up to a = 2.0, each Gd+ ion appears to contribute 7 un; at a = 2.25, 6.3 up

and, at a = 2.5, 4.8 a.m. The calculations based on the above proposal give 6.4,

5.8 and 4.7 un,

**respectively**. The agreement is not excellent, but does lend some...

Page 104

y,(a) represents the angle between the direction of magnetization and the local

axis of distortion being one of the [100], [111] and [110] directions for the

tetrahedral, octahedral and dodecahedral sites,

anisotropy of ...

y,(a) represents the angle between the direction of magnetization and the local

axis of distortion being one of the [100], [111] and [110] directions for the

tetrahedral, octahedral and dodecahedral sites,

**respectively**. The degree ofanisotropy of ...

Page 419

Here, e is the absolute value of the electronic charge, p and n are the

concentration of positive and negative charge carriers, and u , and u_ are the

effective ...

Here, e is the absolute value of the electronic charge, p and n are the

concentration of positive and negative charge carriers, and u , and u_ are the

**respective**mobilities. The concentrations n and p can be written in terms of theeffective ...

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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 Cošt 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