Cryogenic transverse and shear mode properties of (1 − x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 single crystal with the optimal crystallographic direction

▶ Excellent low-temperature piezoelectric properties for PMN-PT crystal. ▶ Revealing a low-temperature independent behavior for gij and k. ▶ Revealing unusual dielectric behavior at low temperature. ▶ The low-temperature XRD results to analyze the cryogenic behavior.