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

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Page 214

normal to the propagation surface with a characteristic

times the film thickness. As a result, the magnetostatic surface modes are

propagating waves and in finite samples their normal-mode frequencies depend

on ...

normal to the propagation surface with a characteristic

**decay**length often severaltimes the film thickness. As a result, the magnetostatic surface modes are

propagating waves and in finite samples their normal-mode frequencies depend

on ...

Page 237

This corresponds to a

films of thickness on the order of 1 p.m., the fraction of energy absorbed by the

mode associated with k, is negligible and the use of Maxwell's equations to

satisfy ...

This corresponds to a

**decay**length of 5.5 nm and 9.0 nm, respectively. In garnetfilms of thickness on the order of 1 p.m., the fraction of energy absorbed by the

mode associated with k, is negligible and the use of Maxwell's equations to

satisfy ...

Page 256

For these conditions, A = 1.3-10° cm- or a

magnitude of the maximum deviation of the magnetization at the surface, Az, is

about 0.02 radians or approximately one degree. For Permalloy films, E. is on the

order of ...

For these conditions, A = 1.3-10° cm- or a

**decay**length of 7.7 mm. Themagnitude of the maximum deviation of the magnetization at the surface, Az, is

about 0.02 radians or approximately one degree. For Permalloy films, E. is on the

order 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 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