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Single Palladium Nanowire: Morphology and its Correlation with Sensing Mechanism

机译:单钯纳米线:形态及其与传感机制的相关性

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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.
机译:在基于单钯纳米线的该工作装置中,通过组合介电泳和聚焦离子束(FIB)来实现并在室温下表征为氢传感器来实现。固定由FIB图案图案的电极的几何形状,通过改变所施加的场(DEP)的频率来制造几种装置,以评估纳米线形状的影响。然后,通过SEM和AFM观察不同种类的纳米线结构。研究和比较氢气存在的传感机制,并为每个进行比较,发现由于氢化钯形成,电流降低。

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