S V Moharil
Articles written in Bulletin of Materials Science
Volume 7 Issue 5 December 1985 pp 427-457
Doping with alkaline earth impurities converts the alkali halides into very efficient phosphors. LiF doped with Mg is extensively used in radiation dosimetry. However, the phenomenon of thermoluminescence in these materials is far from clear. LiF-
Volume 8 Issue 4 October 1986 pp 541-542 Comments
Volume 17 Issue 1 February 1994 pp 25-33
The important methods of X-ray imaging use various phosphors. The phosphors give light proportional to the amount of radiation. The light is emitted either as X-ray excited fluorescence, phosphorescence, or due to stimulated, radiative recombinations of defects generated by X-ray exposures. The role of phosphors in improving image quality and reducing exposures to patients is important. Properties of various phosphors which can be used for X-ray imaging applications are reviewed here.
Volume 20 Issue 5 August 1997 pp 707-711
The simple method for the preparation of phosphors such as aluminates, Y2O3, YVO4 and LaPO4 by the combustion synthesis described earlier in the literature is reported. It is shown here that the phosphors prepared by such synthesis do not possess all the required characteristics. Suitable modifications by way of annealing at >1200°C in controlled atmospheres, however, can yield the phosphors with characteristics which may fulfil the demands of lamp industry.
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