Abstract
Transport properties of poly-Si nanowire transistors, which were fabricated by a simple and low-cost method, are examined in this chapter. The proposed device features two independent gates and thus allows more flexible operation. Electrical measurements performed under cryogenic ambient displayed intriguing characteristics in terms of length-dependent abrupt switching behavior for one of the single-gated modes that is in obvious conflict with the conventional theory concerning short channel effects. Through simulation and experimental verification, it was found that such phenomenon is related to a number of structural parameters, and the root cause was identified to be the nonuniformly distributed dopants introduced by ion implantation.
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Acknowledgments
The authors would like to thank the staff at National Nano Device Laboratories (NDL) and Nano Facility Center (NFC) of NCTU for assistance in device fabrication, Prof. Pei-Wen Li of National Central University for support of the cryogenic measurement utilities, and Prof. Bing-Yue Tsui of NCTU for assistance in TEM characterization.
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Chen, WC., Lin, HC. (2013). Investigations on Transport Properties of Poly-silicon Nanowire Transistors Featuring Independent Double-Gated Configuration Under Cryogenic Ambient. In: Han, W., Wang, Z. (eds) Toward Quantum FinFET. Lecture Notes in Nanoscale Science and Technology, vol 17. Springer, Cham. https://doi.org/10.1007/978-3-319-02021-1_9
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DOI: https://doi.org/10.1007/978-3-319-02021-1_9
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