Research Paper

Raman Scattering Studies on Fe2O3-modified 0.2PZN-0.8PZT Piezoceramics

  • LU Peng-Xian ,
  • ZHU Man-Kang ,
  • HOU Yu-Dong ,
  • SONG Xue-Mei ,
  • WANG Hao ,
  • YAN Hui
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  • 1. College of Materials Science and Engineering, Beijing University of Technology, Beijing 100022, China;
    2. School of Materials, Henan University of Technology, Zhengzhou 450052, China

Received date: 2005-05-13

  Revised date: 2005-06-30

  Online published: 2006-05-20

Abstract

Raman scattering spectroscopy is widely used to investigate the phase transition of ferroelectrics, including the ferroelectric-paraelectric transition. In the present paper, the phase coexistence of rhombohedral and tetragonal phases caused by Fe2O3 doping in Pb(Zn1/3Nb2/3)0.2(Zr0.5Ti0.5)0.8O3(0.2PZN-0.8PZT) ceramics was investigated by Raman scattering spectroscopy in detail. On the basis of the Raman scattering analysis on the tetragonal E(3TO) and A1(3TO) modes and the rhombohedral R l mode, or on the tetragonal E(3LO) and A1(3LO) modes and the rhombohedral R h mode, the tendency of phase transition induced by Fe2O3 doping was evaluated, which has been affirmed by XRD results. This indicates
that Raman scattering analysis is an effective way to investigate the doping effect on the phase coexistence in PZT based ceramics.

Cite this article

LU Peng-Xian , ZHU Man-Kang , HOU Yu-Dong , SONG Xue-Mei , WANG Hao , YAN Hui . Raman Scattering Studies on Fe2O3-modified 0.2PZN-0.8PZT Piezoceramics[J]. Journal of Inorganic Materials, 2006 , 21(3) : 633 -639 . DOI: 10.3724/SP.J.1077.2006.00633

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