High-resolution x-ray image sensors based on HgI2

Robert A. Street; Marcelo Mulato; Steve E. Ready; Rachel Lau; Jackson Ho; Koenraad Van Schuylenbergh; Michael M. Schieber; Haim Hermon; Asaf Zuck; Alexander I. Vilensky

doi:10.1117/12.410562

18 December 2000 High-resolution x-ray image sensors based on HgI₂

Robert A. Street, Marcelo Mulato, Steve E. Ready, Rachel Lau, Jackson Ho, Koenraad Van Schuylenbergh, Michael M. Schieber, Haim Hermon, Asaf Zuck, Alexander I. Vilensky

Author Affiliations +

Proceedings Volume 4142, Penetrating Radiation Systems and Applications II; (2000) https://doi.org/10.1117/12.410562
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Measurements of polycrystalline HgI₂ films on active matrix direct detection image sensors are described, for possible application to high sensitivity room temperature x- ray detection. The arrays exhibit low leakage current and very high sensitivity - roughly an order of magnitude better than has been demonstrated with other designs. The uniformity of the response varies randomly from pixel to pixel, for reasons that are not yet understood, but are probably related to the large grain size.

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Robert A. Street, Marcelo Mulato, Steve E. Ready, Rachel Lau, Jackson Ho, Koenraad Van Schuylenbergh, Michael M. Schieber, Haim Hermon, Asaf Zuck, and Alexander I. Vilensky "High-resolution x-ray image sensors based on HgI₂", Proc. SPIE 4142, Penetrating Radiation Systems and Applications II, (18 December 2000); https://doi.org/10.1117/12.410562

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