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Original Articles

High-pressure X-ray diffraction of L-ALANINE crystal

, , , , &
Pages 433-437 | Received 09 May 2006, Published online: 02 May 2007
 

Abstract

L-ALANINE has been studied by X-ray diffraction at ambient temperature and pressure up to 10.3 GPa. The material is found to transform to a tetragonal structure between 2 and 3 GPa and to a monoclinic structure between 8 and 10 GPa. The experimental bulk modulus is 25(5) GPa for the orthorhombic phase. The results are compared with previous measurements of L-ALANINE.

Acknowledgements

We thank HASYLAB-DESY for permission to use the synchrotron radiation facility. Part of this work was supported by the European Community, Research Infrastructure Action under the FP6 Structuring the European Research Area Programme (through the Integrated Infrastructure Initiative Integrating Activity on Synchrotron and Free-Electron Laser Science). L.G. and J.S.O. acknowledge financial support from DANSYNC.

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