Thermoluminescence Characteristics of Nanocrystalline LiF Phosphors Synthesized at Different pH Values

Journal Article · Fri Jul 15 00:00:00 EDT 2011 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3605914· OSTI ID:21608151

Sharma, A K; Dogra, R ^[1]; Kumar, Shalendra ^[2]; Mishra, S K ^[3]; Lochab, S P ^[4]; Kumar, Ravi ^[5]

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1. Beant College of Engineering and Technology, Gurdaspur (India)
2. School of Nano and Advanced Materials Engg., Changwon National University, Changwon (Korea, Republic of)
3. Department of Life Sciences, Jawahar Lal Nehru University, New Delhi (India)
4. Inter-University Accelerator Centre, Aruna Asif Ali Marg, New Delhi (India)
5. Centre of Material Science and Engineering, National Institute of Technology, Hamirpur (India)

Nanocrystalline lithium fluoride (LiF) phosphors have been prepared by the chemical co-precipitation method at different pH values (7.0, 8.0, 9.0). The formation of nanocrystalline structure has been confirmed by X-ray diffraction and transmission electron microscope. The thermolumniscence (TL) properties of LiF phosphors irradiated with gamma rays at different doses have been studied. The analysis of TL glow curve has revealed the existence of two well resolved glow peaks, one low temperature peak at around 145 deg. C and other one at higher temperature around 375 deg. C. The LiF nano-crystallites synthesized at 8.00 pH have been found to show maximum TL intensity at studied gamma doses (0.1 Gy-15 Gy).

• OSTI ID: 21608151
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1349; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
77 NANOSCIENCE AND NANOTECHNOLOGY
ALKALI METAL COMPOUNDS
COHERENT SCATTERING
COPRECIPITATION
CRYSTAL STRUCTURE
CRYSTALS
DIFFRACTION
ELECTROMAGNETIC RADIATION
ELECTRON MICROSCOPY
EMISSION
FLUORIDES
FLUORINE COMPOUNDS
GAMMA RADIATION
GLOW CURVE
HALIDES
HALOGEN COMPOUNDS
IONIZING RADIATIONS
IRRADIATION
LITHIUM COMPOUNDS
LITHIUM FLUORIDES
LITHIUM HALIDES
LUMINESCENCE
MICROSCOPY
NANOSTRUCTURES
PH VALUE
PHOSPHORS
PHOTON EMISSION
PRECIPITATION
RADIATIONS
SCATTERING
SEPARATION PROCESSES
THERMOLUMINESCENCE
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION