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

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Page 71

Magnetoelastic energy (magnetostriction). — The magnetoelastic energy F.(a, ...

or negative and depend on temperature. In the analysis of experimental data,

however, the

Magnetoelastic energy (magnetostriction). — The magnetoelastic energy F.(a, ...

or negative and depend on temperature. In the analysis of experimental data,

however, the

**magnetostriction constants**are frequently used, which denote the ...Page 74

For most garnets only two constants are sufficient to describe the

magnetostrictive phenomena. ... F Žion and Žin are called the

for negative ...

For most garnets only two constants are sufficient to describe the

magnetostrictive phenomena. ... F Žion and Žin are called the

**magnetostriction****constants**, which for positive values indicate an elongation in that direction andfor negative ...

Page 97

Temperature variation of the

Hoa Fe,012 [61]. The theoretical curves ( ) are based on eq. (5.5), o extrapolated

to zero field. dence of the

Temperature variation of the

**magnetostriction constants**for holmium iron garnetHoa Fe,012 [61]. The theoretical curves ( ) are based on eq. (5.5), o extrapolated

to zero field. dence of the

**magnetostriction constants**has been performed [59, ...### What people are saying - Write a review

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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