期刊
PROCEEDINGS OF THE 30TH ANNIVERSARY EUROSENSORS CONFERENCE - EUROSENSORS 2016
卷 168, 期 -, 页码 692-695出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.proeng.2016.11.249
关键词
Carbon nanotube; MEMS sensor; Wafer-level integration; Dielectrophoresis
Here we present a holistic wafer-level approach for the fabrication of highly sensitive electromechanical transducers, using the intrinsic piezoresistive effect of enriched semiconducting single-walled carbon nanotubes (SWCNTs). Therefore membrane based demonstrators were fabricated on 150 mm wafers using MEMS compatible micromachining. Carbon nanotube field-effect transistors were positioned at membrane sites with the highest strain upon pressure driven actuation. The giant piezoresistive effect of SWCNTs was proved and quantified. We derived the gauge factor to be more than 600, which is significantly higher than for common silicon strain gauges. (C) 2016 The Authors. Published by Elsevier Ltd.
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