Pyroelectric spectrum in Pb(Zr,Sn,Ti)O3 antiferroelectric-ferroelectric ceramics |
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Authors: | Yujun Feng Zhuo Xu Tongqing Yang Xi Yao |
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Institution: | (1) Electronic Materials Research Laboratory, Xi’an Jiaotong University, 710049 Xi’an, China |
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Abstract: | The pyroelectric effect of phase transition induced with temperature in Nb-modified Pb(Zr,Sn,Ti)O3 antiferroelectric-ferroelectric ceramics is studied. Experimental results reveal that the phase transitions are accompanied
with marked pyroelectric peaks, there exists the close relation between the type of phase transition and the shape of pyroelectric
peak. Because of the variations of phase transition, various pyroelectric spectra result. The pyroelectric spectrum can display
the polarization effect and some inferior phase transitions with temperature variations, such as antiferroelectric AFEA-AFEB or ferroelectric FEL-FEH transition, which are not detected by the conventional dielectric measurement. |
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Keywords: | Pb(Zr Sn Ti)O3 ceramics pyroelectric spectrum temperature-induced phase transition |
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