Influence of electron beam irradiation on structural, thermo and photoluminescence properties of SrTiO3:Sm3+ nanophosphor

S. Yeshodamma; K. Hareesh; H. Nagabhushana; Jishnu Dwivedi; V. C. Petwal; D. V. Sunitha

doi:10.1016/j.ijleo.2020.165483

Influence of electron beam irradiation on structural, thermo and photoluminescence properties of SrTiO₃:Sm³⁺ nanophosphor

S. Yeshodamma, K. Hareesh, H. Nagabhushana, Jishnu Dwivedi, V. C. Petwal, D. V. Sunitha^*

^*Corresponding author for this work

Department of Physics, Manipal Institute of Technology, Bengaluru

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Solution combustion synthesis (SCS) is employed for the synthesis of SrTiO₃:Sm³⁺ (0−11 mol%) nanophosphors. The Powder X-ray diffraction (PXRD) confirms the formation of highly crystalline SrTiO₃:Sm³⁺ nanophosphor assigned to the which was athe standard JCPDs number card 35-0734. Further, the synthesized samples are irradiated by 9 MeV electron beam (10–50 kGy) and analysed using Fourier Transform Infrared (FTIR) spectroscopy and Raman spectroscopic studies to understand the change in chemical properties. PL spectra of pristine sample exhibits emission peaks at 552, 607 and 732 nm wherein irradiated samples 552 and 732 nm peaks vanishes due to loss of crystallinity by irradiation. Further, two TL glow peaks are observed at 192 and 358 °C in E-beam irradiated samples which shows linear L response with dose. The linear TL response is attributed to release of more number of charge carriers and trap density. The kinetic parameters estimated shows simple trap distribution making SrTiO₃: Sm³⁺(3 mol %) nanophosphor good material for radiation dosimetry applications.

Original language	English
Article number	165483
Journal	Optik
Volume	223
DOIs	https://doi.org/10.1016/j.ijleo.2020.165483
Publication status	Published - 12-2020

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1016/j.ijleo.2020.165483

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title = "Influence of electron beam irradiation on structural, thermo and photoluminescence properties of SrTiO3:Sm3+ nanophosphor",

abstract = "Solution combustion synthesis (SCS) is employed for the synthesis of SrTiO3:Sm3+ (0−11 mol%) nanophosphors. The Powder X-ray diffraction (PXRD) confirms the formation of highly crystalline SrTiO3:Sm3+ nanophosphor assigned to the which was athe standard JCPDs number card 35-0734. Further, the synthesized samples are irradiated by 9 MeV electron beam (10–50 kGy) and analysed using Fourier Transform Infrared (FTIR) spectroscopy and Raman spectroscopic studies to understand the change in chemical properties. PL spectra of pristine sample exhibits emission peaks at 552, 607 and 732 nm wherein irradiated samples 552 and 732 nm peaks vanishes due to loss of crystallinity by irradiation. Further, two TL glow peaks are observed at 192 and 358 °C in E-beam irradiated samples which shows linear L response with dose. The linear TL response is attributed to release of more number of charge carriers and trap density. The kinetic parameters estimated shows simple trap distribution making SrTiO3: Sm3+(3 mol %) nanophosphor good material for radiation dosimetry applications.",

author = "S. Yeshodamma and K. Hareesh and H. Nagabhushana and Jishnu Dwivedi and Petwal, {V. C.} and Sunitha, {D. V.}",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier GmbH",

year = "2020",

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doi = "10.1016/j.ijleo.2020.165483",

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T1 - Influence of electron beam irradiation on structural, thermo and photoluminescence properties of SrTiO3:Sm3+ nanophosphor

AU - Yeshodamma, S.

AU - Hareesh, K.

AU - Nagabhushana, H.

AU - Dwivedi, Jishnu

AU - Petwal, V. C.

AU - Sunitha, D. V.

PY - 2020/12

Y1 - 2020/12

N2 - Solution combustion synthesis (SCS) is employed for the synthesis of SrTiO3:Sm3+ (0−11 mol%) nanophosphors. The Powder X-ray diffraction (PXRD) confirms the formation of highly crystalline SrTiO3:Sm3+ nanophosphor assigned to the which was athe standard JCPDs number card 35-0734. Further, the synthesized samples are irradiated by 9 MeV electron beam (10–50 kGy) and analysed using Fourier Transform Infrared (FTIR) spectroscopy and Raman spectroscopic studies to understand the change in chemical properties. PL spectra of pristine sample exhibits emission peaks at 552, 607 and 732 nm wherein irradiated samples 552 and 732 nm peaks vanishes due to loss of crystallinity by irradiation. Further, two TL glow peaks are observed at 192 and 358 °C in E-beam irradiated samples which shows linear L response with dose. The linear TL response is attributed to release of more number of charge carriers and trap density. The kinetic parameters estimated shows simple trap distribution making SrTiO3: Sm3+(3 mol %) nanophosphor good material for radiation dosimetry applications.

AB - Solution combustion synthesis (SCS) is employed for the synthesis of SrTiO3:Sm3+ (0−11 mol%) nanophosphors. The Powder X-ray diffraction (PXRD) confirms the formation of highly crystalline SrTiO3:Sm3+ nanophosphor assigned to the which was athe standard JCPDs number card 35-0734. Further, the synthesized samples are irradiated by 9 MeV electron beam (10–50 kGy) and analysed using Fourier Transform Infrared (FTIR) spectroscopy and Raman spectroscopic studies to understand the change in chemical properties. PL spectra of pristine sample exhibits emission peaks at 552, 607 and 732 nm wherein irradiated samples 552 and 732 nm peaks vanishes due to loss of crystallinity by irradiation. Further, two TL glow peaks are observed at 192 and 358 °C in E-beam irradiated samples which shows linear L response with dose. The linear TL response is attributed to release of more number of charge carriers and trap density. The kinetic parameters estimated shows simple trap distribution making SrTiO3: Sm3+(3 mol %) nanophosphor good material for radiation dosimetry applications.

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Influence of electron beam irradiation on structural, thermo and photoluminescence properties of SrTiO₃:Sm³⁺ nanophosphor

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