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Positive temperature coefficient resistance effect in Ba1-xSrxTiO3 ceramics modified with Bi2O3 and PbO by a vapor-doping method

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Abstract

Ba1−xSrxTiO3-based positive temperature coefficient resistance (PTCR) ceramics were prepared by use of a vapor-doping method. When doped with Bi, the PTCR effect is improved; when doped with lead, however, the effect is weakened. The different influences of Bi and Pb doping on the ceramic properties are discussed in terms of the defect chemistry.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Tsinghua University, 100084, Beijing, People’s Republic of China

    Jianquan Qi, Zhilun Gui, Longtu Li & Yajing Wu

Authors
  1. Jianquan Qi
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  2. Zhilun Gui
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  3. Longtu Li
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  4. Yajing Wu
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Qi, J., Gui, Z., Li, L. et al. Positive temperature coefficient resistance effect in Ba1-xSrxTiO3 ceramics modified with Bi2O3 and PbO by a vapor-doping method. Journal of Materials Research 14, 3328–3329 (1999). https://doi.org/10.1557/JMR.1999.0450

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  • DOI: https://doi.org/10.1557/JMR.1999.0450

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