Journal
ADVANCED MATERIALS
Volume 28, Issue 37, Pages 8130-8137Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201602425
Keywords
crack depth; gauge factors; signal-to-noise ratio; strain gauge sensors
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Funding
- Pioneer Research Center Program through the National Research Foundation of Korea - Ministry of Science, ICT and Future Planning [NRF-2014M3C1A3001208]
- [IBS-R015-D1]
- [NRF-2013-R1A1A1061403]
- Ministry of Science, ICT & Future Planning, Republic of Korea [IBS-R015-D1-2016-A00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2016H1A2A1907972, 2014M3C1A3053029, 2013R1A1A1061403] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The sensitivity of a nanoscale crack-based sensor is enhanced markedly by modulating the crack depth. The crack-depth-propagated sensor exhibits approximate to 16 000 gauge factor at 2% strain and a superior signal-to-noise ratio of approximate to 35, which facilitates detection of target signals for voice-pattern recognition.
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