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Conferences > FiO > 2013 > FTh4C > FTh4C.5

A Light-activated Quantum Capacitance Device as a Highly Tunable Variable Capacitor

Pouya Dianat, Anna Persano, Fabio Quaranta, Adriano Cola, and Bahram Nabet

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Abstract

Capacitance-Voltage characteristics of a metal-semiconductor-metal structure with an embedded two-dimensional electron system are reported. The device functions based on a quantum capacitance, which is activated by local illumination. The giant sensitivity to light and voltage makes this device a candidate for capacitive-based photodetection.

© 2013 Optical Society of America

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