Raman scattering in rare earths tetraborides

Werheit, H.; Filipov, V.; Shitsevalova, N.; Armbrüster, M.; Schwarz, U.; Ievdokimova, A.; Muratov, V.; Gurin, V. N.; Korsukova, M. M.

doi:10.1016/j.solidstatesciences.2014.02.016

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Raman scattering in rare earths tetraborides

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Armbrüster, M.
Marc Armbrüster, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Schwarz, U.
Ulrich Schwarz, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Werheit, H., Filipov, V., Shitsevalova, N., Armbrüster, M., Schwarz, U., Ievdokimova, A., et al. (2014). Raman scattering in rare earths tetraborides. Solid State Sciences, 31, 24-32. doi:10.1016/j.solidstatesciences.2014.02.016.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-C209-2

Abstract

The Raman spectra of single crystalline RE (rare earth) tetraborides REB4 (RE = Y, La, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Lu) are measured and analysed with respect to the dependence of the phonon frequencies on the rare earth metal. Phonons representing octahedral B6 units are identified by comparison to the according phonon modes of hexaborides. Their relative force parameters are estimated.