American Journal of Nanosciences

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Incorporation of Donar Dopant on BaTiO 3 (BTO) Perovskite Structure

Received: 10 May 2017    Accepted: 31 May 2017    Published: 04 July 2017
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Abstract

The research was done to understand the influence of nano-sized donar dopant incorporation in barium titanate (BTO) structure. Core-shell structures are stated to form while dopants are added directly to BTO. Low diffusivity of ions in solid state results such core-shell structures. Pure BTO was doped with different concentration of niobium oxide (Nb2O5) (0.2, 0.3 and 0.4 mol %). Single stage sintering at 1250°C, 1275°C and 1300°C was initially chosen. Soaking time was varied from 0 to 2 hours. Sintered samples were taken for further characterization. Percent theoretical density (%TD) of the sintered samples was measured. Microstructure of the sintered samples was revealed by Scanning Electron Microscope (SEM). Both temperature and frequency dependent dielectric property was measured using impedance analyzer. X-ray diffraction (XRD) and Differential Thermal Analysis (DTA) was also performed. XRD confirmed the diffusion of Nb5+ ions into the BTO lattice. While impedance analyzer and DTA proved the shifting of Curie temperature (TC) from ~120°C to ~71°C. Enhanced dielectric property was observed by the addition of Nb2O5.

DOI 10.11648/j.ajn.20170302.12
Published in American Journal of Nanosciences (Volume 3, Issue 2, June 2017)
Page(s) 24-29
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), 2024. Published by Science Publishing Group

Keywords

Percent Theoretical Density, X-Ray Diffraction, Differential Thermal Analysis, Curie Temperature, Permittivity

References
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Author Information
  • Department of Glass & Ceramic Engineering, Rajshahi University of Engineering & Technology (RUET), Rajshahi, Bangladesh

  • Department of Glass & Ceramic Engineering, Rajshahi University of Engineering & Technology (RUET), Rajshahi, Bangladesh

  • Department of Glass and Ceramic Engineering, Bangladesh University of Engineering & Technology (BUET), Dhaka, Bangladesh

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    Tasmia Zaman, Mst. Sharmin Mostari, Md. Fakhrul Islam. (2017). Incorporation of Donar Dopant on BaTiO 3 (BTO) Perovskite Structure. American Journal of Nanosciences, 3(2), 24-29. https://doi.org/10.11648/j.ajn.20170302.12

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    ACS Style

    Tasmia Zaman; Mst. Sharmin Mostari; Md. Fakhrul Islam. Incorporation of Donar Dopant on BaTiO 3 (BTO) Perovskite Structure. Am. J. Nanosci. 2017, 3(2), 24-29. doi: 10.11648/j.ajn.20170302.12

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    AMA Style

    Tasmia Zaman, Mst. Sharmin Mostari, Md. Fakhrul Islam. Incorporation of Donar Dopant on BaTiO 3 (BTO) Perovskite Structure. Am J Nanosci. 2017;3(2):24-29. doi: 10.11648/j.ajn.20170302.12

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  • @article{10.11648/j.ajn.20170302.12,
      author = {Tasmia Zaman and Mst. Sharmin Mostari and Md. Fakhrul Islam},
      title = {Incorporation of Donar Dopant on BaTiO 3  (BTO) Perovskite Structure},
      journal = {American Journal of Nanosciences},
      volume = {3},
      number = {2},
      pages = {24-29},
      doi = {10.11648/j.ajn.20170302.12},
      url = {https://doi.org/10.11648/j.ajn.20170302.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajn.20170302.12},
      abstract = {The research was done to understand the influence of nano-sized donar dopant incorporation in barium titanate (BTO) structure. Core-shell structures are stated to form while dopants are added directly to BTO. Low diffusivity of ions in solid state results such core-shell structures. Pure BTO was doped with different concentration of niobium oxide (Nb2O5) (0.2, 0.3 and 0.4 mol %). Single stage sintering at 1250°C, 1275°C and 1300°C was initially chosen. Soaking time was varied from 0 to 2 hours. Sintered samples were taken for further characterization. Percent theoretical density (%TD) of the sintered samples was measured. Microstructure of the sintered samples was revealed by Scanning Electron Microscope (SEM). Both temperature and frequency dependent dielectric property was measured using impedance analyzer. X-ray diffraction (XRD) and Differential Thermal Analysis (DTA) was also performed. XRD confirmed the diffusion of Nb5+ ions into the BTO lattice. While impedance analyzer and DTA proved the shifting of Curie temperature (TC) from ~120°C to ~71°C. Enhanced dielectric property was observed by the addition of Nb2O5.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Incorporation of Donar Dopant on BaTiO 3  (BTO) Perovskite Structure
    AU  - Tasmia Zaman
    AU  - Mst. Sharmin Mostari
    AU  - Md. Fakhrul Islam
    Y1  - 2017/07/04
    PY  - 2017
    N1  - https://doi.org/10.11648/j.ajn.20170302.12
    DO  - 10.11648/j.ajn.20170302.12
    T2  - American Journal of Nanosciences
    JF  - American Journal of Nanosciences
    JO  - American Journal of Nanosciences
    SP  - 24
    EP  - 29
    PB  - Science Publishing Group
    SN  - 2575-4858
    UR  - https://doi.org/10.11648/j.ajn.20170302.12
    AB  - The research was done to understand the influence of nano-sized donar dopant incorporation in barium titanate (BTO) structure. Core-shell structures are stated to form while dopants are added directly to BTO. Low diffusivity of ions in solid state results such core-shell structures. Pure BTO was doped with different concentration of niobium oxide (Nb2O5) (0.2, 0.3 and 0.4 mol %). Single stage sintering at 1250°C, 1275°C and 1300°C was initially chosen. Soaking time was varied from 0 to 2 hours. Sintered samples were taken for further characterization. Percent theoretical density (%TD) of the sintered samples was measured. Microstructure of the sintered samples was revealed by Scanning Electron Microscope (SEM). Both temperature and frequency dependent dielectric property was measured using impedance analyzer. X-ray diffraction (XRD) and Differential Thermal Analysis (DTA) was also performed. XRD confirmed the diffusion of Nb5+ ions into the BTO lattice. While impedance analyzer and DTA proved the shifting of Curie temperature (TC) from ~120°C to ~71°C. Enhanced dielectric property was observed by the addition of Nb2O5.
    VL  - 3
    IS  - 2
    ER  - 

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