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Ammonia sensitivity of Pt/GaAs Schottky barrier diodes. Improvement of the sensor with an organic layer

AuthorsLechuga, Laura M. ; Calle Martín, Ana ; Golmayo, Dolores ; Briones Fernández-Pola, Fernando ; Abajo González, Javier de ; Campa, José G. de la
Issue DateJun-1992
CitationSensors and Actuators B 8(3): 249-252 (1992)
AbstractSchottky barrier devices, Pt/n-GaAs, with discontinuous platinum films are sensitive detectors of ammonia gas over a wide temperature range. When an organic layer of polyetherimide is combined with the device, the diode sensitivity increases. The characteristic parameters of these devices, such as sensitivity limits, linearity of response, and interfering gases, are examined.
Description4 páginas, 7 figuras.
Publisher version (URL)http://dx.doi.org/10.1016/0925-4005(92)85026-S
Appears in Collections:(IMN-CNM) Artículos
(ICTP) Artículos
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