Macroscopic and local piezoelectric properties of Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals exhibiting giant piezoelectric response

作者：Shvartsman V V^*; Kholkin A L; Raevski I P; Raevskaya S I; Savenko F I; Emelyanov A S

来源：Journal of Applied Physics, 2013, 113(18): 187208.

DOI：10.1063/1.4801964

The temperature and bias field dependences of macroscopic, measured by pulsating load method, and local, measured by piezoresponse force microscopy, longitudinal piezoelectric responses have been studied in (001)-oriented flux-grown (1 - x) Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) (0.0 %26lt;= x %26lt;= 0.29) single crystals. Both types of responses exhibit a dramatic enhancement with increasing bias fields. At the same time, their temperature maxima shift from the Vogel-Fulcher temperature to the vicinity of the dielectric permittivity maximum, where the critical point in the E-T phase diagram is located. Both datasets confirm a quasicritical nature of the giant field-induced piezoelectric response in relaxor single crystals.

• 出版日期2013-5-14