Poole-frenkel piezoconductive element and sensor
Patent
·
OSTI ID:1174970
A new class of highly sensitive piezoconductive strain sensor elements and sensors has been invented. The new elements function under conditions such that electrical conductivity is dominated by Poole-Frenkel transport. A substantial piezoconductive effect appears in this regime, allowing the new sensors to exhibit sensitivity to applied strain as much as two orders of magnitude in excess of prior art sensors based on doped silicon.
- Research Organization:
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-94AL85000
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Number(s):
- 6,771,083
- Application Number:
- 10/101,450
- OSTI ID:
- 1174970
- Country of Publication:
- United States
- Language:
- English
Characterization of tantalum oxynitride thin films as high-temperature strain gauges
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journal | January 1995 |
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