Abstract
Simulations of Ge and C implantations in Si were performed to study bandgap grading in the Si1-χGeχ bipolar junction transistor. It was found that a wide-bandgap emitter and a narrow-bandgap base with no discontinuity and desirable bandgap grading were obtainable with implantation. Hence compared to epitaxially grown heterojunction bipolar transistors, these devices are likely to result in better device reliability.
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Gupta, A., Waters, J.W., Rahman, M.M., Yang, C.Y. (1992). Simulations of Ge and C Implantations to Form Si1-χGeχ BJT. In: Yang, C.Y., Rahman, M.M., Harris, G.L. (eds) Amorphous and Crystalline Silicon Carbide IV. Springer Proceedings in Physics, vol 71. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84804-9_54
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DOI: https://doi.org/10.1007/978-3-642-84804-9_54
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