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

### From inside the book

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Page 16

T curve for a

be done accurately. For the heavier rare-earth ions, the maximum obtainable

magnetic moment (i.e. with no quenching of the orbital angular momentum and

no ...

T curve for a

**given**a would be congruent to the predicted one, and this is yet tobe done accurately. For the heavier rare-earth ions, the maximum obtainable

magnetic moment (i.e. with no quenching of the orbital angular momentum and

no ...

Page 211

Spin wave band calculated for Zeeman, exchange and dipole-dipole energies.

The solid lines are the exact solution

the circular-precession approximation

...

Spin wave band calculated for Zeeman, exchange and dipole-dipole energies.

The solid lines are the exact solution

**given**by eq. (2.30), while the dashed line isthe circular-precession approximation

**given**by eq. (2.32). a) sin” 0x = 1, b) sin” 0...

Page 253

14 is used, the magnetization M at any point will be

portion Mo, which describes the orientation of the spins in the ground state, plus

a smaller transverse component m, , which is time dependent and has a spatial ...

14 is used, the magnetization M at any point will be

**given**by a time-independentportion Mo, which describes the orientation of the spins in the ground state, plus

a smaller transverse component m, , which is time dependent and has a spatial ...

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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