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Article Dans Une Revue Journal of Ultrastructure and Molecular Structure Research Année : 2015

New pressure-induced phase transitions of l-threonine crystal: A Raman spectroscopic study

Résumé

L-threonine crystal was studied by Raman spectroscopy under pressure in the spectral range from 50 to 3300 cm1. The pressure range of a previous study has been extended from 4 to 27.0 GPa. Modifications in the whole spectrum give us evidence of three structural phase transitions undergone by this amino acid as well as two conformational change. The classification of the vibrational modes and the behavior of their frequencies as a function of the pressure are presented.
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hal-01148373 , version 1 (04-05-2015)

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R.O. Holanda, J.A. Lima, P.T.C. Freire, F.E.A. Melo, J. Mendes Filho, et al.. New pressure-induced phase transitions of l-threonine crystal: A Raman spectroscopic study. Journal of Ultrastructure and Molecular Structure Research, 2015, 1092, pp.160-165. ⟨10.1016/j.molstruc.2015.03.024⟩. ⟨hal-01148373⟩
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