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Title

A New Hydrogen Sensor Based on a Pt/GaAs Schottky Diode

AuthorsLechuga, Laura M. ; Calle Martín, Ana ; Golmayo, Dolores ; Tejedor, P.; Briones Fernández-Pola, Fernando
KeywordsChemical sensors
Hydrogen
Platinum
Gallium arsenide
Schottky diodes
Work function
Catalysis
Issue Date1991
PublisherElectrochemical Society
CitationJournal of the Electrochemical Society 138(1): 159-162 (1991)
AbstractA 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.
Description4 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
URIhttp://hdl.handle.net/10261/31254
DOI10.1149/1.2085527
ISSN0013-4651
Appears in Collections:(IMN-CNM) Artículos
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