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Giant energy density in [001]-textured Pb(Mg1/3Nb 2/3)O3-PbZrO3-PbTiO3 piezoelectric ceramics

  • Yongke Yan
  • , Kyung Hoon Cho
  • , Deepam Maurya
  • , Amit Kumar
  • , Sergei Kalinin
  • , Armen Khachaturyan
  • , Shashank Priya
  • Virginia Polytechnic Institute and State University
  • Oak Ridge National Laboratory
  • Rutgers - The State University of New Jersey, New Brunswick

科研成果: 期刊稿件文章同行评审

106 引用 (Scopus)

摘要

Pb(Zr,Ti)O3 (PZT) based compositions have been challenging to texture or grow in a single crystal form due to the incongruent melting point of ZrO2. Here we demonstrate the method for achieving 90% textured PZT-based ceramics and further show that it can provide highest known energy density in piezoelectric materials through enhancement of piezoelectric charge and voltage coefficients (d and g). Our method provides more than ∼5× increase in the ratio d(textured)/d(random). A giant magnitude of d·g coefficient with value of 59 000 × 10-15 m2 N -1 (comparable to that of the single crystal counterpart and 359% higher than that of the best commercial compositions) was obtained.

源语言英语
期刊论文编号042903
期刊Applied Physics Letters
102
4
DOI
出版状态已出版 - 28 1月 2013
已对外发布

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