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Effect of Surface Passivation on Dielectrophoresis-Prepared Multi-Channel ZnO Nanowire Field Effect Transistor (FETs)

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We report on the effect of surface passivation on the electrical characteristics of multi-channel ZnO nanowire field-effect transistors (FETs). Surface passivation was performed using a SiO2 layer on ZnO nanowires. Multi-channel FETs were prepared by assembling as synthesized ZnO nanowires on a SiO2/Si substrate using an alternating current (AC) dielectrophoresis (DEP) technique. We observed that surface passivation with a SiO2 layer on ZnO nanowires was significantly affected by electrical characteristics of multi-channel ZnO nanowire FETs such as the threshold voltage and transconductance.
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Keywords: DIELECTROPHORESIS; FIELD EFFECT TRANSISTOR; NANOWIRE; PASSIVATION; ZNO

Document Type: Research Article

Publication date: 2010-05-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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