Abstract

Piezoelectricity in Nd+3+K+ Double Doped Ferroelectric Lead Germanate Single Crystals

Author(s): AN Wazalwar

The piezoelectric effect in both pure lead germanate (LG) and Nd+3+K+ double doped ferroelectric lead germinate single crystals (DDLG) was studied using Keithley Programmable Electrometer. The Piezoelectric studies were done in four parts. In the first part temperature and stress dependence of pure lead germinates and Nd+3+K+ doped ferroelectric lead germinate was performed. In the second part, time dependence of both pure and doped LG was done. In the third part anisotropy of pure and doped samples was studied. In the fourth part, effect of light irradiation was done in both pure and Nd+3+K+ doped LG. After that piezoelectric constant with respect to stress was studied.
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