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\bibitem{Hong_etal1994} Hong, K., Marsh, P. F., Geok-Ing Ng, Pavlidis, D., \& Hong, C. - H. (1994). Optimization of MOVPE grown In$_{x}$Al$_{1-x}$As/In$_{0.53}$Ga$_{0.47}$As planar heteroepitaxial Schottky diodes for terahertz applications. \textit{IEEE Trans. Electron Devices}, \textit{41}(9), 1489--1497.

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