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Ferroelectric Phase Transition in Nanocrystalline Lead Zirconatitanate System by Raman Scattering |
MENG Jinfang;ZOU Guangtian;LI Jiangping;CUI Qiliang;WANG Xiaohui;ZHAO Muyu |
State Key Laboratory for Superhard Materials, Department of Chemistry, Jilin University, Changchun 130023 |
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Cite this article: |
MENG Jinfang, ZOU Guangtian, LI Jiangping et al 1994 Chin. Phys. Lett. 11 345-348 |
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Abstract The Raman spectra of PbZr0.3Ti0.7O3 for different grain size as well as at high temperature and high pressure have revealed that its structure is transformed from tetragonal to quasi-cubic phase with decreasing grain size. The phase transition temperature drops down to a lower temperature and the pressure-induced phase transition can be correlated with the diffuse phase transition.
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Keywords:
61.66.Fn
78.30.-j
77.80.Bh
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Published: 01 June 1994
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