Semiconductor membranes for millimeter-wave shielding and infrared detection

Emma Renteria; Grant D. Heileman; Jordan Neely; Sadhvikas J. Addamane; Thomas J. Rotter; Ganesh Balakrishnan; Christos Christodoulou; Francesca Cavallo

doi:10.1117/12.3028202

4 October 2024 Semiconductor membranes for millimeter-wave shielding and infrared detection

Emma Renteria, Grant D. Heileman, Jordan Neely, Sadhvikas J. Addamane, Thomas J. Rotter, Ganesh Balakrishnan, Christos Christodoulou, Francesca Cavallo

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Proceedings Volume PC13119, Spintronics XVII; PC131191R (2024) https://doi.org/10.1117/12.3028202
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Abstract

We report our recent progress in developing inorganic sheets integrating electromagnetic interference (EMI) shielding and infrared (IR) detection functionalities. This work is crucial as the increasing use of radio-frequency (RF) devices saturates the environment with electromagnetic radiation capable of disrupting the operation of electronic components, including sources and detectors of IR radiation that are widely used in commercial and military applications. Therefore, IR devices must be enclosed by a material that blocks RF waves while allowing the transmission of IR radiation. Here, we show that single-crystalline semiconductor membranes are viable candidates for shielding IR devices from EMI as they provide high shielding effectiveness and optical transmittance. In addition, we demonstrate that thin junction photodiodes can be integrated on the back surface of the semiconductor membrane, making the latter a multi-functional material.

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Emma Renteria, Grant D. Heileman, Jordan Neely, Sadhvikas J. Addamane, Thomas J. Rotter, Ganesh Balakrishnan, Christos Christodoulou, and Francesca Cavallo "Semiconductor membranes for millimeter-wave shielding and infrared detection", Proc. SPIE PC13119, Spintronics XVII, PC131191R (4 October 2024); https://doi.org/10.1117/12.3028202

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KEYWORDS

Semiconductors

Infrared detection

Infrared radiation

Photodiodes

Gallium arsenide

Optical fabrication

P-type semiconductors

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