On the irreversibility of the pressure-induced phase transition of quartz

C. Campana, M. H. Müser, J. S. Tse, D. Herzbach, and P. Schöffel,
On the irreversibility of the pressure-induced phase transition of quartz and the relation between three hypothetical post-quartz phases,
Phys. Rev. B 70, 224101 (2004); (submitted version).