Abstract
AbstractIn 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.KeywordsHydrogen SensorElectric Field FrequencyPalladium HydrideSinusoidal Electric FieldHigh Electric Field FrequencyThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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