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Influence of γ-ray-induced effects on dielectric dispersion of CuO-doped calcium fluoroborophosphate glass system

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Abstract

γ-Ray-induced dielectric dispersion in CaF2–B2O3–P2O5 glasses doped with different concentrations of CuO was investigated. The glass samples were exposed to γ-rays with dose varying within the range 0–10 kGy. The dielectric dispersion and spectroscopic properties were measured before and after γ-ray treatment. Additionally, thermoluminescence studies were performed on post-irradiated glass samples. The results of dielectric properties and dielectric breakdown strength indicated a substantial increase in the insulating strength of CuO containing glasses due to γ-ray irradiation. The analysis of these results together with UV-vis optical absorption, IR spectra, and thermoluminescence studies have indicated a gradual increase in the concentration of mono-valent copper ions due to γ-ray treatment of the glass network. The additional studies have confirmed that these Cu+ ions occupy network-forming positions, increase the polymerization of the borophosphate glass network, and facilitates for the increase of insulating strength of the titled glass.

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Acknowledgment

One of the authors N. Veeraiah, is grateful to University Grants Commission (UGC), New Delhi, for the financial support in the form of One Time Research Grant.

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Authors and Affiliations

  1. Department of Physics, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur, Andhra Pradesh, 522510, India

    Bhogi Jai Rama Satyanarayana Swamy, Rangu Vijay, Pamidi Ramesh Babu & Nalluri Veeraiah

  2. Food Technology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India

    Bhaskar Sanyal

  3. Department of Physics, Kakani Venkata Ratnam College, Nandigama, Andhra Pradesh, 521185, India

    Yerramreddy Gandhi

Authors
  1. Bhogi Jai Rama Satyanarayana Swamy
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  2. Rangu Vijay
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  3. Pamidi Ramesh Babu
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  4. Bhaskar Sanyal
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  5. Yerramreddy Gandhi
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  6. Nalluri Veeraiah
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Correspondence to Nalluri Veeraiah.

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Swamy, B.J.R.S., Vijay, R., Babu, P.R. et al. Influence of γ-ray-induced effects on dielectric dispersion of CuO-doped calcium fluoroborophosphate glass system. Ionics 22, 1625–1634 (2016). https://doi.org/10.1007/s11581-016-1671-8

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  • DOI: https://doi.org/10.1007/s11581-016-1671-8

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