Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 20
crystals, we allowed the crystals to align themselves in the magnetic field, so that
we did not know what the easy direction was. We said [48] that a spherical crystal
of ErsG allowed to rotate freely in a magnetic field will be aligned along a ...
crystals, we allowed the crystals to align themselves in the magnetic field, so that
we did not know what the easy direction was. We said [48] that a spherical crystal
of ErsG allowed to rotate freely in a magnetic field will be aligned along a ...
Page 61
Finally, the field-induced anisotropy can be present in garnets with a higher
mobility of the electrons. Then the distribution of the electrons is influenced by an
external magnetic field, and this new field-induced distribution is « frozen y if the
...
Finally, the field-induced anisotropy can be present in garnets with a higher
mobility of the electrons. Then the distribution of the electrons is influenced by an
external magnetic field, and this new field-induced distribution is « frozen y if the
...
Page 266
The intensity of this signal is two to three orders of magnitude weaker than the
intensity of the uniform-resonance mode observed at higher magnetic-field
strengths. At 25 GHz, no signals have been observed in these films. As the
magnetic ...
The intensity of this signal is two to three orders of magnitude weaker than the
intensity of the uniform-resonance mode observed at higher magnetic-field
strengths. At 25 GHz, no signals have been observed in these films. As the
magnetic ...
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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 Coºt 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