Compositional effect on piezoelectric and anomalous photovoltaic properties of PLZT ceramics with fixed grain sizes

Lanthanum-modified lead zirconate titanate (PLZT) ceramics possess the photostrictive effect applicable to photo-driven and wireless actuators. The piezoelectric and anomalous photovoltaic (APV) properties of PLZT ceramics with different compositions but the same grain size were evaluated to investi...

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Veröffentlicht in:	Journal of electroceramics 2008-12, Vol.21 (1-4), p.267-270
Hauptverfasser:	Li, Jing-Feng, Cheng, Daming
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Ceramic industries Ceramics Characterization and Evaluation of Materials Chemical industry and chemicals Chemistry and Materials Science Composites Composition effects Crystallography and Scattering Methods Electrochemistry Electrotechnical and electronic ceramics Exact sciences and technology Glass Grain size Materials Science Natural Materials Optical and Electronic Materials Photocurrent Photovoltaic cells Piezoelectricity Solar cells Technical ceramics Zirconium titanates
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Beschreibung
Zusammenfassung:	Lanthanum-modified lead zirconate titanate (PLZT) ceramics possess the photostrictive effect applicable to photo-driven and wireless actuators. The piezoelectric and anomalous photovoltaic (APV) properties of PLZT ceramics with different compositions but the same grain size were evaluated to investigate the intrinsic compositional effects. After the adjustment of the sintering temperature and soaking time, the grain sizes of PLZT ceramics with different compositions were controlled in a narrow range of 0.7–0.8 μm. Both the maximum photocurrent and photo-EMF after grain size control were found at PLZT 4/52/48.
ISSN:	1385-3449 1573-8663
DOI:	10.1007/s10832-007-9154-y