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

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Page 89

However, the K1(n) obtained from the fit of the theory exhibit a

accomplished with a sign change of the constants. This behaviour is in severe

contradiction to the basic assumption of the singleion behaviour. The reason for

this ...

However, the K1(n) obtained from the fit of the theory exhibit a

**singularity**beingaccomplished with a sign change of the constants. This behaviour is in severe

contradiction to the basic assumption of the singleion behaviour. The reason for

this ...

Page 90

Concentration dependence of K1 and K1(n) for yttrium iron-gallium garnets Yas

Fe, Ga.,](Fea—,6a,)012 at T = 0 K. The

from the compositional compensation point and the Curie point. for A (c) and D(c)

...

Concentration dependence of K1 and K1(n) for yttrium iron-gallium garnets Yas

Fe, Ga.,](Fea—,6a,)012 at T = 0 K. The

**singularities**arising for K1(n) originatefrom the compositional compensation point and the Curie point. for A (c) and D(c)

...

Page 95

Some typical values of these coefficients outside the

VI. TABLE VI. — Magnetoelastic coupling coefficents defined in eq. (5.1) for

different garnet compositions. The values are deduced from the fit of the

measured ...

Some typical values of these coefficients outside the

**singularity**are listed in tableVI. TABLE VI. — Magnetoelastic coupling coefficents defined in eq. (5.1) for

different garnet compositions. The values are deduced from the fit of the

measured ...

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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