SiC-Based MOSFETs for Harsh Environment Emissions Sensors

Abstract:

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Depletion-mode 4H-SiC FETs were fabricated for use as harsh environment gas sensors. To enable sensitivity to NOx, O2 and H2 gases, metal oxide catalysts such as InOx were integrated into the gate of the device. The FETs had a total area of approximately 1 mm2. Devices with various gate widths and lengths were fabricated and tested, with sensor performance of 5% or greater in current change from the baseline resulting from designs having a length to width ratio of around 50.

Info:

Periodical:

Materials Science Forum (Volumes 527-529)

Edited by:

Robert P. Devaty, David J. Larkin and Stephen E. Saddow

Pages:

1457-1460

DOI:

10.4028/www.scientific.net/MSF.527-529.1457

Citation:

P. M. Sandvik et al., "SiC-Based MOSFETs for Harsh Environment Emissions Sensors", Materials Science Forum, Vols. 527-529, pp. 1457-1460, 2006

Online since:

October 2006

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Price:

$35.00

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