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Electromechanical Characteristics of ZnO:Al Nanorods

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In this study, we explore the effect of aluminum doping on the mechanical, piezoelectric, and semiconductive properties of zinc oxide (ZnO) nanorods using scanning probe microscopy. The results show that the size of ZnO:Al nanorods can be changed by tuning the dopant concentrations during nanorod growth. The average surface potentials of the samples were −42.2∼34.4 mV. Single nanorod bending generation output surface potentials were 0.05∼0.08 V. The power density per unit substrate area was 0.72 nW/mm−2 for a device outputting ultrasonic wavelengths.
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Keywords: NANOPIEZOELECTRIC; NANOROD; SCANNING PROBE MICROSCOPY; SURFACE POTENTIAL; ZNO:AL

Document Type: Research Article

Publication date: 2010-01-01

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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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