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Title: Stress-dependent ferroelectric properties of Pb(Zr<inf>1/2</inf>Ti<inf>1/2</inf>)O<inf>3</inf>-Pb(Zn<inf>1/3</inf>Nb<inf>2/3</inf>)O<inf>3</inf> ceramic systems
Authors: R. Yimnirun
N. Triamnak
M. Unruan
A. Ngamjarurojana
Y. Laosiritaworn
S. Ananta
Keywords: Chemical Engineering
Materials Science
Issue Date: 1-Jan-2009
Abstract: Effects of compressive stress on the ferroelectric properties of ceramics in PZT-PZN systems were investigated. (1 - x)Pb(Zr1/2Ti1/2)O3(xPb(Zn1/3Nb2/3)O3 or (1 - x)PZT-(x)PZN (x = 0.1-0.5) ceramics were prepared by a conventional mixed-oxide method. The ferroelectric properties under compressive stress of the PZT-PZN ceramics were observed at stress levels up to 170 MPa using a compressometer in conjunction with a modified Sawyer-Tower circuit. It was found that with increasing compressive stress the area of the ferroelectric hysteresis (P-E) loops, the saturation polarization (Psat), the remanent polarization (Pr), and the coercive field (Ec) decreased. These results were interpreted through the non-180° ferroelectric domain switching processes. © 2008 Elsevier Ltd and Techna Group S.r.l.
ISSN: 02728842
Appears in Collections:CMUL: Journal Articles

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