Photon counting X-ray and gamma-ray spectroscopy with Al0.52In0.48P detectors

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The development of photon counting spectroscopic wide bandgap X-ray and gamma-ray detectors is important for a number of research disciplines and to UK economic success, both in the short and longer terms. Wide bandgap X-ray and gamma-ray detectors, made from materials such as Al0.52In0.48P, enable the deployment of such spectrometers in environments that would be too hot for conventional semiconductor detectors without cooling. This project will lay the foundations for Al0.52In0.42P to become a practical material for next generation high temperature (> 20 degrees C) X-ray and gamma-ray detectors, as well as making broader important contributions to detector physics and III-V materials research. X-ray spectrometers are of national importance economically, scientifically, and socially, since they are needed for a wide variety of applications spanning industrial, scientific, health, and security uses. Gamma-ray spectrometers are needed for multiple applications in nuclear science and engineering, including isotopic analysis, measurement of fission products, and nuclear material detection and interdiction.