Diffraction study of the piezoelectric properties of low quartz R. Guillot, P. Fertey, N. K. Hansen, P. Allé, E. Elkaïm and C. Lecomte Eur. Phys. J. B, 42 3 (2004) 373-380 Published online: 23 December 2004 DOI: 10.1140/epjb/e2004-00393-4