The effects of linear and quadratic magneto-optical coupling in the one-magnon Raman spectrum of FeF2
- 30 April 1982
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 15 (12) , 2767-2777
- https://doi.org/10.1088/0022-3719/15/12/023
Abstract
One-magnon light scattering measurements have been performed to investigate the asymmetry of the Raman scattering tensor of FeF2 at laser wavelengths of 488.0 nm and 514.5 nm. A polarisation analysis was employed, and the results were interpreted theoretically in terms of linear and quadratic magneto-optical coupling. The importance of quadratic magneto-optical coupling was confirmed at these wavelengths, and the data enabled the ratio of quadratic to linear magneto-optical coefficients to be uniquely determined at each wavelength. Further support for these results and the theoretical analysis was provided by measurements of the 'anomalous' ratio of intensities for anti-Stokes and Stokes scattering.Keywords
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