Isothermal Currents in Some Red Mercuric Iodide Single Crystals

In order to completely characterize the trapping levels that may be present in the red mercuric iodide (alpha-HgI 2 ) crystals grown (a) by hydration of the HgI 2 -DMSO-MeOH saturated solution, (b) by isothermal evaporation of the solvent from the HgI 2 -THF saturated solution and (c) by polymer con...

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Bibliographic Details
Main Author: Sharma, S.L.
Format: Conference Proceeding
Language:English
Subjects:
Charge carriers
Crystals
Density measurement
Isothermal processes
Polymers
Radiation detectors
Solvents
Temperature control
Temperature dependence
Temperature distribution
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Summary:In order to completely characterize the trapping levels that may be present in the red mercuric iodide (alpha-HgI 2 ) crystals grown (a) by hydration of the HgI 2 -DMSO-MeOH saturated solution, (b) by isothermal evaporation of the solvent from the HgI 2 -THF saturated solution and (c) by polymer controlled growth in vapor phase, the temperature dependences of the isothermal current versus time characteristics (IC decay) have been studied in detail. For the first time, simplicity of the method has been exploited in great detail. Important limitations of the technique have also been outlined for the first time. Finally, the effects of different trapping levels on the performance of radiation detectors are discussed.
ISSN:1082-3654
2577-0829
DOI:10.1109/NSSMIC.2006.353810