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On the structural and electrical properties of modified PbTiO3 ceramics

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Abstract

Ceramics (Pb0·75Ca0·25)[(Ni1/2W1/2) y Ti1−y ]O3 fory = 0 ·05, 0·10, 0·15 and 0·30 have been prepared using high temperature solid state reaction method. X-ray analyses show that these materials are of single-phase perovskite type tetragonal structure. To solve inaccuracy in finding para-ferroelectric phase transition temperatureT c(ε max), we have carried out the analyses of the data using a computer program. The role of Ni and W as modifiers on structural and electrical (dielectric and pyroelectric) properties is discussed in terms of the usefulness of these materials. Results indicate that ceramic Pb0·75Ca0·25Ni0·25W0·025Ti0·95O3 is a good candidate for pyroelectric applications.

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Authors and Affiliations

  1. Department of Physics, Sant Longowal Institute of Engineering and Technology, 148 106, Longowal, Sangrur, India

    K Prasad, RNP Choudhary, SN Choudhary & R Sati

  2. Department of Physics, Indian Institute of Technology, 721 302, Kharagpur, India

    RNP Choudhary

  3. University Department of Physics, Bhagalpur University, 812 007, Bhagalpur, India

    SN Choudhary & R Sati

Authors
  1. K Prasad
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  2. RNP Choudhary
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  3. SN Choudhary
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  4. R Sati
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Prasad, K., Choudhary, R., Choudhary, S. et al. On the structural and electrical properties of modified PbTiO3 ceramics. Bull. Mater. Sci. 19, 505–512 (1996). https://doi.org/10.1007/BF02744822

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