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Effect of P2O5 on optical parameters of (25−x) CaO–xP2O5–B2O3–SiO2–ZnO sol–gel glasses: a theoretical assessment

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Abstract

The present investigation is an attempt to address the effect of P2O5 on the optical properties, cross link density (nc) as well as theoretical parameters like Poisson’s ratio and bulk modulus for (25−x)%CaO−x%P2O5–60%SiO2–5%B2O3–10%ZnO (x = 5, 10, 15, 20) novel sol–gel glasses. The optical basicity, oxide polarisability, direct/indirect band gaps and theoretical elastic constants have been calculated for all the glasses. In addition to this, the cross-link density, average force stretching constant and number of network bonds per unit volume (nb) have been calculated. The values of optical basicity and polarisabilty have allowed the same trend for all these glasses. The cross-link density decreases when the P2O5 content increases from 5 to 20 %.

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Acknowledgment

Authors are thankful to CIES, Washington D.C. for the financial assistance.

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Authors and Affiliations

  1. Department of Material Science and Engineering, Virginia Polytechnic Institute and State University, Holden Hall, Blacksburg, VA, 24060, USA

    Gurbinder Kaur & G. Pickrell

  2. Department of Biomedical Sciences and Pathobiology, Virginia Polytechnic Institute and State University, Blacksburg, VA, 24060, USA

    N. Sriranganathan

Authors
  1. Gurbinder Kaur
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  2. G. Pickrell
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  3. N. Sriranganathan
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Correspondence to Gurbinder Kaur.

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Kaur, G., Pickrell, G. & Sriranganathan, N. Effect of P2O5 on optical parameters of (25−x) CaO–xP2O5–B2O3–SiO2–ZnO sol–gel glasses: a theoretical assessment. J Sol-Gel Sci Technol 73, 506–510 (2015). https://doi.org/10.1007/s10971-014-3613-0

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  • DOI: https://doi.org/10.1007/s10971-014-3613-0

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