%0 Journal Article %1 WOS:000285531400008 %A de Sousa, F F %A Freire, P T C %A Saraiva, G D %A Jr., J A Lima %A Jr., P Alcantara %A Melo, F E A %A Filho, J Mendes %C PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS %D 2010 %I ELSEVIER SCIENCE BV %J VIBRATIONAL SPECTROSCOPY %K Inelastic Phase crystals; light scattering} transition; {Organic %N 2, SI %P 118-122 %R 10.1016/j.vibspec.2010.06.008 %T Pressure-induced phase transitions in stearic acid C form %V 54 %X Pressure-dependent Raman scattering studies have been performed on stearic acid single crystal, C form. The vibrational spectra have been recorded in the 20-1200cm(-1) and in the 2800-3100cm(-1) spectral regions. The behavior of the Raman modes indicates that the crystal undergoes a series of structural modifications. The change observed between 0.8 and 1.27 GPa was associated with a conformational modification or tilting of the dimer. A second modification was observed at similar to 2.5 GPa accompanied by jump of lattice mode frequencies, and the appearance and disappearance of bands. Finally, a third set of changes in the Raman band profile was observed between 3.3 and 3.8 GPa and was associated with another structural phase transition. (C) 2010 Elsevier B.V. All rights reserved.

@article{WOS:000285531400008, abstract = {Pressure-dependent Raman scattering studies have been performed on stearic acid single crystal, C form. The vibrational spectra have been recorded in the 20-1200cm(-1) and in the 2800-3100cm(-1) spectral regions. The behavior of the Raman modes indicates that the crystal undergoes a series of structural modifications. The change observed between 0.8 and 1.27 GPa was associated with a conformational modification or tilting of the dimer. A second modification was observed at similar to 2.5 GPa accompanied by jump of lattice mode frequencies, and the appearance and disappearance of bands. Finally, a third set of changes in the Raman band profile was observed between 3.3 and 3.8 GPa and was associated with another structural phase transition. (C) 2010 Elsevier B.V. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}, author = {de Sousa, F F and Freire, P T C and Saraiva, G D and Jr., J A Lima and Jr., P Alcantara and Melo, F E A and Filho, J Mendes}, biburl = {https://www.bibsonomy.org/bibtex/249c2aea17cdcab0fc858d13791750399/ppgfis_ufc_br}, doi = {10.1016/j.vibspec.2010.06.008}, interhash = {a41649a10b3097c359c1055f679f067b}, intrahash = {49c2aea17cdcab0fc858d13791750399}, issn = {0924-2031}, journal = {VIBRATIONAL SPECTROSCOPY}, keywords = {Inelastic Phase crystals; light scattering} transition; {Organic}, note = {1st Brazilian Meeting on Raman Spectroscopy (BMRS), Sao Paulo, BRAZIL, DEC 06-09, 2009}, number = {2, SI}, pages = {118-122}, publisher = {ELSEVIER SCIENCE BV}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Pressure-induced phase transitions in stearic acid C form}, tppubtype = {article}, volume = 54, year = 2010 }