Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide

Sayed M. Salem; Taha Z. Abou-Elnasr; Wael A. El-Gammal; Ahmed S. Mahmoud; Heba A. Saudi; Ahmed G. Mostafa

doi:doi:10.11648/j.ajae.20180501.11

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Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide

Sayed M. Salem, Taha Z. Abou-Elnasr, Wael A. El-Gammal, Ahmed S. Mahmoud, Heba A. Saudi, Ahmed G. Mostafa

Published in American Journal of Aerospace Engineering (Volume 5, Issue 1)

Received: 4 January 2018 Accepted: 22 January 2018 Published: 7 February 2018

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Abstract

Glasses having the composition, [(70-x) mol% B₂O₃- x mol% Bi₂O₃- 10 mol% BaO- 20 mol% Na₂O, where 0≤ x ≤20], have been prepared by the melt quenching method. Density, molar volume, infrared analysis, optical parameters and Electrical properties have been thoroughly investigated. It was found that, both density and molar volume increased with the gradual replacement of B₂O₃ by Bi₂O₃ and the comparison between their experimental and empirical values confirm the amorphous nature and the random structure of all samples. The obtained infrared results indicated that different structural borate groups appeared such as BO4 units (in di-, tri- and penta-borate groups) and BO₃ units (in meta- and ortho-borate chains). Also, both BiO₃ and BiO₆ are present in all Bi doped glasses, and the BiO₃ / BiO₆ ratio appeared to be approximately stable as Bi₂O₃ was increased to 15 mol%, then it showed a jump increase when BiO₃ reached 20 mol%. The optical band gap energy and cut-off wavelength increased with the increase of Bi₂O₃ while Urbach energy decreased. On the other hand, the electrical conductivity decreased as Bi₂O₃ was gradually replaced by B₂O₃, while the activation energy increased and all samples exhibit semi-conductors behavior and the values of the exponent factor decreased gradually with temperature, which is compatible with the correlated barrier hopping conduction mechanism.

Published in	American Journal of Aerospace Engineering (Volume 5, Issue 1)
DOI	10.11648/j.ajae.20180501.11
Page(s)	1-8
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Sodium-Borate Glasses, FTIR, Optical Parameters, AC Conductivity

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APA Style

Sayed M. Salem, Taha Z. Abou-Elnasr, Wael A. El-Gammal, Ahmed S. Mahmoud, Heba A. Saudi, et al. (2018). Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide. American Journal of Aerospace Engineering, 5(1), 1-8. https://doi.org/10.11648/j.ajae.20180501.11

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ACS Style

Sayed M. Salem; Taha Z. Abou-Elnasr; Wael A. El-Gammal; Ahmed S. Mahmoud; Heba A. Saudi, et al. Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide. Am. J. Aerosp. Eng. 2018, 5(1), 1-8. doi: 10.11648/j.ajae.20180501.11

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AMA Style

Sayed M. Salem, Taha Z. Abou-Elnasr, Wael A. El-Gammal, Ahmed S. Mahmoud, Heba A. Saudi, et al. Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide. Am J Aerosp Eng. 2018;5(1):1-8. doi: 10.11648/j.ajae.20180501.11

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@article{10.11648/j.ajae.20180501.11,
  author = {Sayed M. Salem and Taha Z. Abou-Elnasr and Wael A. El-Gammal and Ahmed S. Mahmoud and Heba A. Saudi and Ahmed G. Mostafa},
  title = {Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide},
  journal = {American Journal of Aerospace Engineering},
  volume = {5},
  number = {1},
  pages = {1-8},
  doi = {10.11648/j.ajae.20180501.11},
  url = {https://doi.org/10.11648/j.ajae.20180501.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajae.20180501.11},
  abstract = {Glasses having the composition, [(70-x) mol% B2O3- x mol% Bi2O3- 10 mol% BaO- 20 mol% Na2O, where 0≤ x ≤20], have been prepared by the melt quenching method. Density, molar volume, infrared analysis, optical parameters and Electrical properties have been thoroughly investigated. It was found that, both density and molar volume increased with the gradual replacement of B2O3 by Bi2O3 and the comparison between their experimental and empirical values confirm the amorphous nature and the random structure of all samples. The obtained infrared results indicated that different structural borate groups appeared such as BO4 units (in di-, tri- and penta-borate groups) and BO3 units (in meta- and ortho-borate chains). Also, both BiO3 and BiO6 are present in all Bi doped glasses, and the BiO3 / BiO6 ratio appeared to be approximately stable as Bi2O3 was increased to 15 mol%, then it showed a jump increase when BiO3 reached 20 mol%. The optical band gap energy and cut-off wavelength increased with the increase of Bi2O3 while Urbach energy decreased. On the other hand, the electrical conductivity decreased as Bi2O3 was gradually replaced by B2O3, while the activation energy increased and all samples exhibit semi-conductors behavior and the values of the exponent factor decreased gradually with temperature, which is compatible with the correlated barrier hopping conduction mechanism.},
 year = {2018}
}

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TY - JOUR
T1 - Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide
AU - Sayed M. Salem
AU - Taha Z. Abou-Elnasr
AU - Wael A. El-Gammal
AU - Ahmed S. Mahmoud
AU - Heba A. Saudi
AU - Ahmed G. Mostafa
Y1 - 2018/02/07
PY - 2018
N1 - https://doi.org/10.11648/j.ajae.20180501.11
DO - 10.11648/j.ajae.20180501.11
T2 - American Journal of Aerospace Engineering
JF - American Journal of Aerospace Engineering
JO - American Journal of Aerospace Engineering
SP - 1
EP - 8
PB - Science Publishing Group
SN - 2376-4821
UR - https://doi.org/10.11648/j.ajae.20180501.11
AB - Glasses having the composition, [(70-x) mol% B2O3- x mol% Bi2O3- 10 mol% BaO- 20 mol% Na2O, where 0≤ x ≤20], have been prepared by the melt quenching method. Density, molar volume, infrared analysis, optical parameters and Electrical properties have been thoroughly investigated. It was found that, both density and molar volume increased with the gradual replacement of B2O3 by Bi2O3 and the comparison between their experimental and empirical values confirm the amorphous nature and the random structure of all samples. The obtained infrared results indicated that different structural borate groups appeared such as BO4 units (in di-, tri- and penta-borate groups) and BO3 units (in meta- and ortho-borate chains). Also, both BiO3 and BiO6 are present in all Bi doped glasses, and the BiO3 / BiO6 ratio appeared to be approximately stable as Bi2O3 was increased to 15 mol%, then it showed a jump increase when BiO3 reached 20 mol%. The optical band gap energy and cut-off wavelength increased with the increase of Bi2O3 while Urbach energy decreased. On the other hand, the electrical conductivity decreased as Bi2O3 was gradually replaced by B2O3, while the activation energy increased and all samples exhibit semi-conductors behavior and the values of the exponent factor decreased gradually with temperature, which is compatible with the correlated barrier hopping conduction mechanism.
VL - 5
IS - 1
ER -

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Author Information

Sayed M. Salem

Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
Taha Z. Abou-Elnasr

Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
Wael A. El-Gammal

Egyptian Nuclear & Radiological Regulatory Authority, Cairo, Egypt
Ahmed S. Mahmoud

Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
Heba A. Saudi

Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
Ahmed G. Mostafa

Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt

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Sayed M. Salem, Taha Z. Abou-Elnasr, Wael A. El-Gammal, Ahmed S. Mahmoud, Heba A. Saudi, et al. (2018). Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide. American Journal of Aerospace Engineering, 5(1), 1-8. https://doi.org/10.11648/j.ajae.20180501.11

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Sayed M. Salem; Taha Z. Abou-Elnasr; Wael A. El-Gammal; Ahmed S. Mahmoud; Heba A. Saudi, et al. Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide. Am. J. Aerosp. Eng. 2018, 5(1), 1-8. doi: 10.11648/j.ajae.20180501.11

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AMA Style

Sayed M. Salem, Taha Z. Abou-Elnasr, Wael A. El-Gammal, Ahmed S. Mahmoud, Heba A. Saudi, et al. Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide. Am J Aerosp Eng. 2018;5(1):1-8. doi: 10.11648/j.ajae.20180501.11

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@article{10.11648/j.ajae.20180501.11,
  author = {Sayed M. Salem and Taha Z. Abou-Elnasr and Wael A. El-Gammal and Ahmed S. Mahmoud and Heba A. Saudi and Ahmed G. Mostafa},
  title = {Optical Parameters and Electrical Transport Properties of Some Barium-Sodium-Borate Glasses Doped Bismuth Oxide},
  journal = {American Journal of Aerospace Engineering},
  volume = {5},
  number = {1},
  pages = {1-8},
  doi = {10.11648/j.ajae.20180501.11},
  url = {https://doi.org/10.11648/j.ajae.20180501.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajae.20180501.11},
  abstract = {Glasses having the composition, [(70-x) mol% B2O3- x mol% Bi2O3- 10 mol% BaO- 20 mol% Na2O, where 0≤ x ≤20], have been prepared by the melt quenching method. Density, molar volume, infrared analysis, optical parameters and Electrical properties have been thoroughly investigated. It was found that, both density and molar volume increased with the gradual replacement of B2O3 by Bi2O3 and the comparison between their experimental and empirical values confirm the amorphous nature and the random structure of all samples. The obtained infrared results indicated that different structural borate groups appeared such as BO4 units (in di-, tri- and penta-borate groups) and BO3 units (in meta- and ortho-borate chains). Also, both BiO3 and BiO6 are present in all Bi doped glasses, and the BiO3 / BiO6 ratio appeared to be approximately stable as Bi2O3 was increased to 15 mol%, then it showed a jump increase when BiO3 reached 20 mol%. The optical band gap energy and cut-off wavelength increased with the increase of Bi2O3 while Urbach energy decreased. On the other hand, the electrical conductivity decreased as Bi2O3 was gradually replaced by B2O3, while the activation energy increased and all samples exhibit semi-conductors behavior and the values of the exponent factor decreased gradually with temperature, which is compatible with the correlated barrier hopping conduction mechanism.},
 year = {2018}
}

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