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Thermoluminescence studies of UV-irradiated Y2O3:Eu3+ doped phosphor

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Abstract

The present paper reports thermoluminescence (TL) glow curves of Eu3+-doped Y2O3 phosphor with different ultraviolet (UV) exposure times. The glow peak shows second-order kinetics of Eu3+-doped Y2O3, and corresponding kinetic parameters were evaluated using the peak shape method. Calculations of trap depth were carried out using different methods. The kinetics order, activation energy, and frequency factor were calculated. The recorded glow curve shifts towards higher intensity with longer UV exposure. The heating rate used for recording TL was 3.0 °C s−1. Particle size and structure were verified by X-ray diffraction (XRD) pattern and morphology by scanning electron microscopy (SEM) imaging.

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Authors and Affiliations

  1. Bhilai Institute of Technology, Bhilai House, Durg, 491001, Chhattisgarh, India

    Raunak Tamrakar

  2. Department of Physics, Govt. V.Y.T.PG. Auto. College, Durg, 491001, Chhattisgarh, India

    Vikas Dubey

  3. Material Science Research Lab, ITM University, Gurgaon, 122017, Haryana, India

    N. Kumar Swamy

  4. Bhilai Institute of Technology, Raipur, Chhattisgarh, India

    Ratnesh Tiwari

  5. Department of Physics, Andhra University, Visakhapatnam, 530003, Andhra Pradesh, India

    S. V. N. Pammi & P. V. Ramakrishna

Authors
  1. Raunak Tamrakar
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  2. Vikas Dubey
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  3. N. Kumar Swamy
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  4. Ratnesh Tiwari
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  5. S. V. N. Pammi
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  6. P. V. Ramakrishna
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Correspondence to Vikas Dubey.

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Tamrakar, R., Dubey, V., Swamy, N.K. et al. Thermoluminescence studies of UV-irradiated Y2O3:Eu3+ doped phosphor. Res Chem Intermed 39, 3919–3923 (2013). https://doi.org/10.1007/s11164-012-0908-z

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  • DOI: https://doi.org/10.1007/s11164-012-0908-z

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