EPJ Web Conf.
Volume 156, 2017Regional Conference on Nuclear Physics (RCNP 2016)
|Number of page(s)||7|
|Published online||23 October 2017|
Thermoluminescence study of aluminium oxide doped germanium prepared by combustion synthesis method
Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia.
⁎ Corresponding author: firstname.lastname@example.org
Published online: 23 October 2017
The present paper reports the optimum concentration of germanium (Ge) dopant in aluminium oxide (AhO3) samples prepared by combustion synthesis (CS) method for thermoluminescence (TL) studies. The samples were prepared at various Ge concentration i.e. 1 to 5% mol. The phase formation of un-doped and Ge-doped Al2O3 samples was determined using X-ray Diffraction (XRD). The sharp peaks present in the XRD pattern confirms the crystallinity of the samples. The samples were then exposed to 50 Gy Cobalt-60 sources (Gamma cell 220). TL glow curves were measured and recorded using a Harshaw Model 3500 TLD reader. Comparison of TL peaks were observed to obtain the best composition of Ge dopants. A simple glow curves TL peak at around 175̊C for all composition samples was observed. It was also found that the composition of aluminium oxide doped with 3.0% of germanium exhibits the highest thermoluminescence (TL) intensity which is 349747.04 (a.u).
Key words: Thermoluminescence / germanium doping / combustion synthesis
© The authors, published by EDP Sciences, 2017
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