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

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Page 80

In particular, from the limits of the cylindrical-domain (bubble)

collapse or a run-out to stripe domains occurs, accurate measurements of the

domain wall energy can be made. Since this quantity is proportional to the

square ...

In particular, from the limits of the cylindrical-domain (bubble)

**stability**where acollapse or a run-out to stripe domains occurs, accurate measurements of the

domain wall energy can be made. Since this quantity is proportional to the

square ...

Page 142

7 a computed family of curves of bubble diameter d vs. bias field in the

range, as shown in fig. 8 [11]. The reduced ... H., is also indicated. For any given

hil the upper limit of hexagonal-lattice

7 a computed family of curves of bubble diameter d vs. bias field in the

**stable**range, as shown in fig. 8 [11]. The reduced ... H., is also indicated. For any given

hil the upper limit of hexagonal-lattice

**stability**lies near the middle of the curve.Page 146

The gradient of H, then implies a force — (dE/d H,)(d H, dz), so that a horizontal

Bloch line with Q not equal to a multiple of 2:1 cannot be

Bloch-line cluster (fig. 11e), whose total angle is equal to a multiple of 27t, does

have ...

The gradient of H, then implies a force — (dE/d H,)(d H, dz), so that a horizontal

Bloch line with Q not equal to a multiple of 2:1 cannot be

**stable**. However, aBloch-line cluster (fig. 11e), whose total angle is equal to a multiple of 27t, does

have ...

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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