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Proceedings Paper

stability study on ceramic mercuric iodide (red) X-ray sensor
Author(s): Kulvinder Singh; Manoj Saxena
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Paper Abstract

A ceramic mercuric iodide X-Ray sensor probe is developed from highly pure mercuric iodide. Probe has high mechanical and chemical stability. Photoconductivity and stability are studied and analysed. It is found that dark current shows a pure resistive variation with increase in bias voltage where as photocurrent shows a sigmoidal behavior. Annealing in air helps in reducing the polarization effect and improving the sensor properties. Adsorption of iodine is found to drastically reduce sensor performance. Annealed probe shows a repetitive trend in switching characteristics.

Paper Details

Date Published: 15 October 2012
PDF: 4 pages
Proc. SPIE 8549, 16th International Workshop on Physics of Semiconductor Devices, 854910 (15 October 2012);
Show Author Affiliations
Kulvinder Singh, Univ. of Delhi (India)
Manoj Saxena, Univ. of Delhi (India)

Published in SPIE Proceedings Vol. 8549:
16th International Workshop on Physics of Semiconductor Devices
Monica Katiyar; B. Mazhari; Y N Mohapatra, Editor(s)

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