Ab-initio molecular dynamics and vibrational Raman spectroscopy investigations of quartz polymorph at high temperatureHayet Sediki, Patrick Simon, Aomar Hadjadj and Abdelghani M. KrallafaEur. Phys. J. B, 90 9 (2017) 172DOI: https://doi.org/10.1140/epjb/e2017-80176-6