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  • Title: Assessing CZT detector performance for environmental radioactivity investigations.
    Author: Rahman R, Plater AJ, Nolan PJ, Appleby PG.
    Journal: Radiat Prot Dosimetry; 2013 May; 154(4):477-82. PubMed ID: 23060429.
    Abstract:
    Cadmium zinc telluride (CdZnTe or CZT) is the leading semiconductor detector for gamma spectroscopy at room temperature. In the present study, a coplanar-grid CZT detector was used for gamma-ray measurements of environmental radioactivity on a contaminated saltmarsh sediment core in comparison with results from a coaxial high-purity germanium detector to assess their comparative performance. The findings reveal that the CZT performs well for both (241)Am and (137)Cs measurements over a broad range of activities, despite limited detector efficiency, and can be used to good effect in the study of environmental radioactivity in contaminated estuarine settings.
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