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Mercuric Iodide Crystal Growth and Frisch Collar Detector Fabrication

Author:
Ariesanti, E.   Kargar, A.   McGregor, D. S.  


Journal:
Nuclear Technology


Issue Date:
2011


Abstract(summary):

Being a high-Z material, mercuric iodide (HgI(2)) has a relatively high gamma-ray absorption coefficient. Its low charge carrier mobilities, however, have somewhat hampered the interest in using this material as a room-temperature gamma-ray spectrometer. By using the Frisch collar technology, the influence of the low charge carrier can be significantly reduced. The growth of HgI(2) by the Faile method in a horizontal furnace fortuitously produces tetragonal prismatic crystals. These crystals with appropriate dimensions can be fabricated into Frisch collar spectrometers. With the Frisch collar technology, 1.8% energy resolution for 662-keV gamma rays has been achieved.


Page:
124-130


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