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  • High quality graphite based Schottky diodes are presented. Schottky barriers were prepared by mechanical deposition of colloidal graphite on GaN substrates uncoverd and partly covered with Pt nanoparticles deposited by electrophoretic techniques. The electron transport for both diodes can be well described by thermionic emission. Hydrogen sensing characteristics of graphite-Pt/GaN Schottky diodes were investigated. Temperature dependence of the sensitivity, the barrier height variation, the ideality factor and the barrier height itself were studied. The proposed hydrogen sensor responds well to various hydrogen containing gases. The room-temperature sensitivity response of 2x107 was obtained in 1000 ppm H2/N2ambient.
  • High quality graphite based Schottky diodes are presented. Schottky barriers were prepared by mechanical deposition of colloidal graphite on GaN substrates uncoverd and partly covered with Pt nanoparticles deposited by electrophoretic techniques. The electron transport for both diodes can be well described by thermionic emission. Hydrogen sensing characteristics of graphite-Pt/GaN Schottky diodes were investigated. Temperature dependence of the sensitivity, the barrier height variation, the ideality factor and the barrier height itself were studied. The proposed hydrogen sensor responds well to various hydrogen containing gases. The room-temperature sensitivity response of 2x107 was obtained in 1000 ppm H2/N2ambient. (en)
Title
  • High sensitivity hydrogen sensors based on GaN
  • High sensitivity hydrogen sensors based on GaN (en)
skos:prefLabel
  • High sensitivity hydrogen sensors based on GaN
  • High sensitivity hydrogen sensors based on GaN (en)
skos:notation
  • RIV/67985882:_____/12:00382126!RIV13-AV0-67985882
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(OC10021)
http://linked.open...iv/cisloPeriodika
  • 9
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
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http://linked.open...dnocenehoVysledku
  • 138967
http://linked.open...ai/riv/idVysledku
  • RIV/67985882:_____/12:00382126
http://linked.open...riv/jazykVysledku
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  • Pt nanoparticles; Graphite based Schottky diodes; Hydrogen sensor; GaN (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [9AB80C2CABA4]
http://linked.open...i/riv/nazevZdroje
  • Physica status solidi C
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 7
http://linked.open...iv/tvurceVysledku
  • Grym, Jan
  • Yatskiv, Roman
  • Žďánský, Karel
issn
  • 1610-1642
number of pages
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