%0 Journal Article %1 WOS:000257599400005 %A Olsen, Staun J %A Gerward, L %A Freire, P T C %A Filho, J Mendes %A Melo, F E A %A Filho, A G Souza %C THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND %D 2008 %I PERGAMON-ELSEVIER SCIENCE LTD %J JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS %K Raman X-ray compounds; diffraction; high phase pressure; spectroscopy; transitions} {organic %N 7 %P 1641-1645 %R 10.1016/j.jpcs.2007.12.005 %T Pressure-induced phase transformations in L-alanine crystals %V 69 %X Raman scattering and synchrotron X-ray diffraction have been used to investigate the high-pressure behavior of L-alanine. This study has confirmed a structural phase transition observed by Raman scattering at 2.3 GPa and identified it as a change from orthorhombic to tetragonal structure. Another phase transformation from tetragonal to monoclinic structure has been observed at about 9 GPa. From the equation of state, the zero-pressure bulk modulus and its pressure derivative have been determined as (31.5 +/- 1.4) GPa and 4.4 +/- 0.4, respectively. (C) 2008 Elsevier Ltd. All rights reserved.

@article{WOS:000257599400005, abstract = {Raman scattering and synchrotron X-ray diffraction have been used to investigate the high-pressure behavior of L-alanine. This study has confirmed a structural phase transition observed by Raman scattering at 2.3 GPa and identified it as a change from orthorhombic to tetragonal structure. Another phase transformation from tetragonal to monoclinic structure has been observed at about 9 GPa. From the equation of state, the zero-pressure bulk modulus and its pressure derivative have been determined as (31.5 +/- 1.4) GPa and 4.4 +/- 0.4, respectively. (C) 2008 Elsevier Ltd. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND}, author = {Olsen, Staun J and Gerward, L and Freire, P T C and Filho, J Mendes and Melo, F E A and Filho, A G Souza}, biburl = {https://www.bibsonomy.org/bibtex/202fa17598f7306fa7630379e63213310/ppgfis_ufc_br}, doi = {10.1016/j.jpcs.2007.12.005}, interhash = {219378e6bf673d378975b5913245f54d}, intrahash = {02fa17598f7306fa7630379e63213310}, issn = {0022-3697}, journal = {JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS}, keywords = {Raman X-ray compounds; diffraction; high phase pressure; spectroscopy; transitions} {organic}, number = 7, pages = {1641-1645}, publisher = {PERGAMON-ELSEVIER SCIENCE LTD}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Pressure-induced phase transformations in L-alanine crystals}, tppubtype = {article}, volume = 69, year = 2008 }