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Published in:
01-04-2014
The fabrication and pyroelectric properties of single crystalline PZT nanorod synthesized by hydrothermal reaction
Published in: Journal of Materials Science: Materials in Electronics | Issue 4/2014
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Abstract
In this paper, the effect of surfactant polyvinylalcohol (PVA) and polyacrylate acid (PAA) on shape evolution of Pb(Zr0.3Ti0.7)O3 (PZT) nano materials synthesized by hydrothermal method was studied. PZT nanorod array was grown on the conduction substrate surface of (100) Nb–SrTiO3 with optimized PVA and PAA concentrations. X-ray diffraction, scanning electron microscopy and transmission electron microscopy were used to characterize the PZT nanomaterials. The results demonstrated that the optimization concentration of PVA and PAA were 0.8 and 3.2 g L−1, respectively. The pyroelectric coefficient of the PZT nanorod array was 1.75 × 10−9 C cm−2 K−1 before poling and 2.56 × 10−9 C cm−2 K−1 after poling. This low temperature synthesized PZT nanorod array shows great potential application in pyroelectric nanodevices.