Single palladium nanowire: Morphology and its correlation with sensing mechanism

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Abstract

In this work devices based on single palladium nanowire are realized by combining dielectrophoresis and focused ion beam (FIB) and characterized as hydrogen sensor at room temperature. Fixing the geometry of the electrodes, patterned by FIB, several devices are fabricated by varying the frequency of the applied field (DEP), to assess the effect on the shape of nanowire. Different kind of nanowire structures are, then, observed by means of SEM and AFM. The sensing mechanisms in presence of hydrogen are investigated and compared for each, finding that electrical current decreases because of palladium hydride formation. © 2011 Springer Science+Business Media B.V.
Original languageEnglish
DOIs
Publication statusPublished - 2011
Event15th Italian Conference on Sensors and Microsystems, AISEM 2010 - , Italy
Duration: 1 Jan 2011 → …

Conference

Conference15th Italian Conference on Sensors and Microsystems, AISEM 2010
CountryItaly
Period1/1/11 → …

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All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering

Cite this

La Ferrara, V., Alfano, B., Polichetti, T., Massera, E., Francia, G. D., & Fiorentino, G. (2011). Single palladium nanowire: Morphology and its correlation with sensing mechanism. Paper presented at 15th Italian Conference on Sensors and Microsystems, AISEM 2010, Italy. https://doi.org/10.1007/978-94-007-1324-6_27