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\bibitem{An_etal2005} An, Z., Chen, J. - C., Ueda, T., Komiyama, S., \& Hirakawa, K. (2005). Infrared phototransistor using capacitively coupled two-dimensional electron gas layers. \textit{Appl. Phys. Lett.}, \textit{86}, 172106-3.

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