Congruent LiNbO3 (CLN)
P-comp6.54pm/V
mech. free (T)
Labelled 'constant stress (clamped)' in the source, which contradicts itself (constant stress = unclamped, T); the magnitude fits T values. CLN:5%Mg 6.2 and near-SLN:1.8%Mg 6.97 pm/V in the same report.
Volk & Wöhlecke, Springer Series in Materials Science 115 (2009), p. 150original: Yonekura et al., Opt. Rev. 14, 194 (2007)