Analysis of composition homogeneity and polarization orientation of PZT submicron fibers by micro-Raman spectroscopy

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• 作者：Jin Wang^a ; ^b ; ^{wang.jin@sz.tsinghua.edu.cn" class="auth_mail} ; Joe Trodahl^c ; Cosmin Sandu^a ; Ivan Gregora^d ; Nava Setter^a
• 关键词：Lead zirconate&ndash ; titanate ; Submicron fiber ; Raman scattering ; Ferroelectric
• 刊名：Journal of the European Ceramic Society
• 出版年：September 2014
• 年：2014
• 卷：34
• 期：10
• 页码：2311-2316
• 全文大小：1363 K

文摘

Micro-Raman spectroscopy is a convenient tool to probe individual objects with a feature size on the submicron scale. The phase, composition, and orientation of Pb(Zr,Ti)O₃ fibers fabricated via hydrothermal processing have been characterized by this technique, with the working principles given in the paper. It is shown that the prepared PZT submicron fibers are of a tetragonal pervoskite phase, with Zr/(Zr + Ti) varying from 0.05 to 0.25. The spontaneous polarization has been confirmed to be along the length direction and one of its {1 0 0} planes parallel to the substrate plane.