The performance of a nuclear radiation detector constructed with a mercuric iodide (HgI_2) crystal grown by the vapor transport method of the conventional and simple static sublimation were measured.
It was shown that the HgI_2 detector operated at room temperature and that the initial detection characteristics were maintained for a long period.
The authors applied the detector to the measurements of fission products in JRR-3 cover-gas of JAERI and demonstrated that quantitative determination of 80keV γ-ray released from ^<133>Xe could be performed by the detector in spite of the extremely small size of its element (1.95mm^2 x 0.7mmt).
Fabrication of Mercuric Iodide Nuclear Radiation Detector and Its Application
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