Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 328
... detector Fig . 8 . - Configuration of the apparatus for the measurement of photoinduced linear dichroism . The two steps of the experiment are shown : a ) the irradiation with white light and b ) the measurement of the photoinduced ...
... detector Fig . 8 . - Configuration of the apparatus for the measurement of photoinduced linear dichroism . The two steps of the experiment are shown : a ) the irradiation with white light and b ) the measurement of the photoinduced ...
Page 329
... detector output is sent to two separate lock - in amplifiers so that the [ 100 ] dichroism and the [ 110 ] dichroism of a ( 001 ) sample can be simultaneously measured . In fig . 9 , the observed variation of photoinduced linear ...
... detector output is sent to two separate lock - in amplifiers so that the [ 100 ] dichroism and the [ 110 ] dichroism of a ( 001 ) sample can be simultaneously measured . In fig . 9 , the observed variation of photoinduced linear ...
Page 409
... detector is sinusoidal with angular velocity 2лv ,. The magneto - optical rotation is con- tained in its phase relative to some fixed angle on the motor . This was ob- tained by chopping a reference beam with a blade affixed to the ...
... detector is sinusoidal with angular velocity 2лv ,. The magneto - optical rotation is con- tained in its phase relative to some fixed angle on the motor . This was ob- tained by chopping a reference beam with a blade affixed to the ...
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absorption angle anisotropy constants antiferromagnetic Appl axis birefringence Bloch lines Bloch point bubble calculated cation cm-¹ Co² Co³ coefficient concentration contribution crystal field cubic Curie temperature curve diamagnetic dichroism direction of magnetization domain wall effects electron energy levels equations exchange experimental Fe2+ Fe³ ferrimagnetic ferromagnetic resonance film formula unit frequency GELLER GILLEO given Hamiltonian interaction ion moments Journ K₁ lattice constant line width linear magnetic anisotropy magnetic field magneto-optical magnetoelastic magnons measurements modes neutron diffraction observed obtained octahedral octahedral sites optical orbital oxygen paramagnetic parameters phonons photoinduced photomagnetic Phys polarization polycrystalline properties rare-earth ions rare-earth iron garnets relaxation resonance room temperature rotation sample shown in fig sin² specimens spin wave spin-orbit coupling spontaneous magnetization sublattice substitution surface symmetry temperature dependence tetrahedral theory tion torque transitions uniaxial anisotropy valence values vector velocity yttrium iron garnet