Ferroelectric Properties of Bismuth Layer-Structured Compound SrxBi4-xTi3-xTaxO12 (0≦x≦2)

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Copyright (c) 1999 The Japan Society of Applied Physics
, , Citation Hajime Nagata et al 1999 Jpn. J. Appl. Phys. 38 5497 DOI 10.1143/JJAP.38.5497

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1 Faculty of Science and Technology, Science University of Tokyo, Noda, Chiba 278-8510, Japan

Dates

  1. Received 27 May 1999
  2. Accepted 13 July 1999

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Abstract

The ferroelectric and fatigue properties of bismuth layer-structured ferroelectrics (BLSF), SrxBi4-xTi3-xTaxO12 (x=0–2) [SBTT-x] with m=3, are studied for the purpose of obtaining large remanent polarization, Pr, and fatigue-free properties. From the measurement of D-E hysteresis loops using a standard Sawyer-Tower circuit, the value of 2Pr for SBTT-0.3 ceramic was found to be the largest (2Pr=24.6 µC/cm2) in the SBTT-x system. As a result of examining fatigue properties, SBTT-0.3 ceramic displays fatigue-free behavior up to about 1010 cycles. It is assumed that these results are caused by the substitiution of Ta and Sr ions.

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10.1143/JJAP.38.5497