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26 April 2024
 
  » arxiv » arxiv.0704.2792

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Raman spectra of L-leucine crystals
P.F. Facanha Filho ; P.T.C. Freire ; K.C.V. Lima ; J. Mendes Filho ; F.E.A. Melo ; P.S. Pizani ;
Date 20 Apr 2007
Subject Materials Science (cond-mat.mtrl-sci)
AbstractSingle crystal samples of L-leucine, C6H13NO2, a fundamental aliphatic amino acid of the human body, have been studied by Raman spectroscopy at temperatures from 300 to 430 K over the spectral range from 50 to 3100 cm-1. A tentative assignment of all bands is given. For high temperatures, several modifications on the Raman spectra were observed at about 353 K, giving evidence that the L-leucine crystal undergoes a structural phase transition.
Source arXiv, arxiv.0704.2792
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