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27 April 2020 Density functional theory based bandstructure analysis of graphene-HgCdTe heterostructure mid-wave infrared detector for Earth science applications (Conference Presentation)
Samiran Ganguly, Sheikh Z. Ahmed, Avik W. Ghosh, Ashok K. Sood, John Zeller, Parminder Ghuman, Sachidananda Babu, Nibir K. Dhar
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Proceedings Volume 11388, Image Sensing Technologies: Materials, Devices, Systems, and Applications VII; 1138803 (2020) https://doi.org/10.1117/12.2559001
Event: SPIE Defense + Commercial Sensing, 2020, Online Only
Abstract
Graphene-HgCdTe heterostructure based mid wave IR (MWIR) detectors are being designed for NASA Earth Science applications. Combining Density Functional Theory (DFT) based calculations of the bandstructure with carrier generation and transport model of this detector, we study the essential physics of this novel detector design and project its performance. Combining the best of both these materials can yield high performance and superior detection capabilities.
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Samiran Ganguly, Sheikh Z. Ahmed, Avik W. Ghosh, Ashok K. Sood, John Zeller, Parminder Ghuman, Sachidananda Babu, and Nibir K. Dhar "Density functional theory based bandstructure analysis of graphene-HgCdTe heterostructure mid-wave infrared detector for Earth science applications (Conference Presentation)", Proc. SPIE 11388, Image Sensing Technologies: Materials, Devices, Systems, and Applications VII, 1138803 (27 April 2020); https://doi.org/10.1117/12.2559001
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KEYWORDS
Mid-IR
Sensors
Earth sciences
Infrared sensors
Heterojunctions
Mercury cadmium telluride
Graphene
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