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Small-Dose-Sensitive X-Ray Image Pixel with HgI2 Photoconductor and Amorphous Oxide Thin-Film Transistor

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Abstract

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A new X-ray image sensor is demonstrated with an oxide thin-film transistor backplane and HgI2 sensing material. It displays outstanding image quality under a low X-ray exposure and a low electric field. It is promising as a state-of-the-art device to realize highly resolved images at a low X-ray dose for a variety of medical X-ray imaging applications.

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