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IJPAP Vol.50 [2012] >
IJPAP Vol.50(07) [July 2012] >
| Title: | One step synthesis of Cu+ activated Li2BPO5 low Z phosphor for thermoluminescence dosimetry |
| Authors: | Dhoble, S J
Puppalwar, S P
Dhoble, N S
Mohanty, A K |
| Keywords: | Li2BPO5
X-ray diffraction
Wet chemical synthesis
Thermoluminescence |
| Issue Date: | Jul-2012 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Cu+
activated Li2BPO5 phosphor is synthesized by one step wet
chemical technique and exposed to gamma-rays of 60Co source for
their thermoluminescence (TL) properties. The XRD technique shows the crystalline
nature of the prepared material. Photoluminescence (PL) emission spectra of Li2BPO5:Cu
phosphor show the strong prominent peak at 368 nm in the violet region of the
visible spectrum assigned to the transition of 3d94s1 ↔
3d10 of Cu+ ion. Thermoluminescence
characterization of prepared Li2BPO5:Cu is low Z (Zeff
= 10.29) phosphor shows the prominent TL glow peak at 143°C at higher temperature and intensity is 2.6 times less than that of
standard TLD CaSO4:Dy (Zeff = 15.3) phosphor, but almost
7.8 times more than that of well known LiF: Mg, Ti low Z phosphor. It may be
one of the candidates for thermoluminescence dosimetry (TLD) of ionization
radiations.
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| Page(s): | 520-523 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1041 (Online); 0019-5596 (Print) |
| Source: | IJPAP Vol.50(07) [July 2012]
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