Tetragonal Phase Stabilization Caused by Pr Ions in Ba(Ti0.99Mn0.01)O3 with Mixed Phases

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Published 22 March 2011 • Copyright (c) 2011 The Japan Society of Applied Physics
, , Citation Da-Yong Lu et al 2011 Jpn. J. Appl. Phys. 50 035806 DOI 10.1143/JJAP.50.035806

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1 Research Center for Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China

2 Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan

3 College of Physics, Jilin University, Changchun 130021, China

Dates

  1. Received 5 October 2010
  2. Accepted 15 November 2010
  3. Published

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Abstract

The tetragonal phase stability of (Ba1-xPrx)(Ti0.99Mn0.01)O3 (x = 0, 0.01, 0.02) ceramics prepared using a cold-pressing ceramic technique was investigated by X-ray diffraction (XRD), electron spin resonance (ESR), scanning electron microscopy (SEM), and dielectric measurements. Tetragonal and hexagonal phases coexist at x = 0, but at x = 0.02, the hexagonal phase disappears and the tetragonal phase is completely stabilized by the appearance of Mn2+. Co-doped Pr ions serve as a tetragonal phase stabilizer for Mn-doped BaTiO3.

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10.1143/JJAP.50.035806