Detector cadmium zinc telluride

Solid-state detectors directly convert the absorbed gamma ray energy into collection of electric charge and do not need photomultiplier tubes. Since the PMT is a bulky and expensive component, this represents a significant breakthrough. Cadmium zinc telluride is an attractive solid-state detec-... 

The other potential semiconductor detector materials have a larger band gap than germanium and consequently would have the advantage of room temperature operation assuming that their other properties were satisfactory. Of these, only cadmium telluride, cadmium zinc telluride (CZT) and mercuric iodide have found their way into... 

Franks, R.B. James, 2001, Cadmium zinc telluride and its use as a nuclear radiation detector material . 

Operating wavelength of the detector should be as close to the cutoff wavelength (Ico = hc/Eg) as possible. This requirement is easiest to meet in three-compound semiconductor materials with continually adjustable bandgap, e.g., mercury cadmium telluride (Hgi- cCd cTe) [8], mercury zinc telluride (Hgi- cZn cTe) [69-71], lead tin telluride Pbi Sn Te [72, 73], and indium arsenide antimonide (Ini - cAS cSb) [74] which for x = 0 reduces to indium antimonide, InSb. 

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