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Physical structure of pixelated detectors provides a unique tool to evaluate the effects of different types of defects in the semiconductor material that is used to fabricate the detectors. The spectroscopic performance measured for individual pixels or groups of pixels can be used to correlate point defects or fields of inhomogeneities within the material with the charge collected from photoelectric...
Mercuric iodide single crystals have been used successfully as gamma radiation detectors for many years. Recently a different growth method called `seeded homoepitaxy' has been studied. This method has the advantage of growing detector-sized volumes with a thickness of about 10mm in a highly accelerated timeframe. The electronic transport properties of a mercuric iodide detector have been shown to...
In its application as a radiation detector, mercuric iodide shares a common challenge amongst a number of competing semiconductor materials - all have been historically too expensive to grow and fabricate devices to be viable in the larger commercial market. Constellation Technology Corporation has developed a process for the growth of mercuric iodide homoepitaxy. Epitaxial layers with dimensions...
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