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High dielectric constants in BaTiO3 doped 90V2O5−10Bi2O3 oxide glasses obeying Debye-type dielectric relaxation behavior

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Abstract

BaTiO3 doped 90V2O5−10Bi2O3 (VB) oxide glasses show a larger dielectric constant (102-104) compared to that of the base glass VB (∼102). The VB glass with 15 wt.% BaTiO3 shows the largest dielectric constant, and all the glasses show a Debye-type dielectric relaxation behavior. The increase in dielectric constant appears to be mainly due to the formation of microcrystalline clusters of BaTiO3 (1.8–8 μm, depending on the BaTiO3 concentration present in the base glass). Other than the dilution effect with BaTiO3, the glass-former oxide Bi2O3 also influences the dielectric behavior of BaTiO3 doped VB glasses.

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Authors and Affiliations

  1. Solid State Physics Department, Indian Association for the Cultivation of Science, 700 032, Calcutta, India

    Sahana Chakraborty, A. K. Bera, S. Mollah & B. K. Chaudhuri

Authors
  1. Sahana Chakraborty
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  2. A. K. Bera
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  3. S. Mollah
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  4. B. K. Chaudhuri
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Chakraborty, S., Bera, A.K., Mollah, S. et al. High dielectric constants in BaTiO3 doped 90V2O5−10Bi2O3 oxide glasses obeying Debye-type dielectric relaxation behavior. Journal of Materials Research 9, 1932–1935 (1994). https://doi.org/10.1557/JMR.1994.1932

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  • DOI: https://doi.org/10.1557/JMR.1994.1932

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