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| Title: | EFFECTIVE CO-DOPANTS FOR CASO4-DY AND CASO4-TM PHOSPHORS |
| Authors: | ATONE, MS
MOHARIL, SV
GUNDURAO, TK |
| Issue Date: | 1995 |
| Publisher: | IOP PUBLISHING LTD |
| Citation: | JOURNAL OF PHYSICS D-APPLIED PHYSICS, 28(6), 1263-1267 |
| Abstract: | CaSO4:Dy and CaSO4:Tm are highly sensitive phosphors used in the thermoluminescence (TL) dosimetry of the ionizing radiations. It is shown that, by using P, Mo or SO3 as co-dopants, the TL sensitivities can be increased by 40-100%. The increase in sensitivity originates in various processes, which are discussed. P acts as a charge compensator, allowing the incorporation of Dy in higher concentration without causing quenching. Mo increases the efficiency of trap filling. It is claimed that use of Mo as a co-dopant will improve the sensitivities without disturbing the other dosimetric characteristics. |
| URI: | http://dx.doi.org/10.1088/0022-3727/28/6/032
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9084
http://hdl.handle.net/10054/9084 |
| ISSN: | 0022-3727 |
| Appears in Collections: | Article
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