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Title: Characterization of silicon nanowire embedded in a mems diaphragm structure within large compressive strain range
Authors: Lou, L.
Park, W.-T.
Zhang, S.
Lim, L.S.
Kwong, D.-L.
Lee, C. 
Keywords: Large compressive strain
Multilayered diaphragm structure
Silicon nanowire (SiNW)
Issue Date: Dec-2011
Citation: Lou, L., Park, W.-T., Zhang, S., Lim, L.S., Kwong, D.-L., Lee, C. (2011-12). Characterization of silicon nanowire embedded in a mems diaphragm structure within large compressive strain range. IEEE Electron Device Letters 32 (12) : 1764-1766. ScholarBank@NUS Repository.
Abstract: The characteristics of piezoresistive silicon nanowires (SiNWs) under compressive strain as large as 1.7% are reported. The SiNW is embedded in a multilayered diaphragm structure consisting of silicon nitride and silicon oxide. After leveraging the high fracture stress and intrinsic tensile stress of silicon nitride layer to produce a flat diaphragm, we can create large compressive strain to the SiNW without damaging the diaphragm. The relationship between SiNW resistance change and applied strain is measured and investigated with 2- and 5- SiNWs for both scientific and practical points of view. This approach demonstrates the validity to reveal the SiNW properties under large strain, and the exploration provides good reference for future SiNW-based MEMS sensor design. © 2006 IEEE.
Source Title: IEEE Electron Device Letters
ISSN: 07413106
DOI: 10.1109/LED.2011.2169931
Appears in Collections:Staff Publications

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