Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/31254
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Title: A New Hydrogen Sensor Based on a Pt/GaAs Schottky Diode
Authors: Lechuga, Laura M., Calle Martín, Ana, Golmayo, Dolores, Tejedor, P., Briones Fernández-Pola, Fernando
Keywords: Chemical sensors
Hydrogen
Platinum
Gallium arsenide
Schottky diodes
Work function
Catalysis
Issue Date: 1991
Publisher: Electrochemical Society
Abstract: A new hydrogen-sensitive detector based on a Pt/GaAs Schottky diode has been fabricated. The devices have beencharacterized by dark current-voltage and capacitance-voltage measurements, as a function of temperature and gas phasecomposition. At 150°C, the detection limit for hydrogen is 6 ppm in a nitrogen environment and 200 ppm in air.
Description: 4 páginas, 7 figuras, 1 tabla.-- PACS: 82.45.Jn; 07.07.Df; 85.30.Hi.
Publisher version (URL): http://dx.doi.org/10.1149/1.2085527
URI: http://hdl.handle.net/10261/31254
ISSN: 0013-4651
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Citation: Journal of the Electrochemical Society 138(1): 159-162 (1991)
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