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Crabwise ZnO Nanowires: Growth and Field Emission Properties

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Abstract:

Crabwise ZnO nanowires with an average length of 5 μm and an average diameter of 30 nm were selectively grown on ZnO:Ga/glass templates. Cathodoluminescence measurement indicated that the crystal quality of the crabwise ZnO nanowires was good. With an applied voltage of 120 V, the crabwise ZnO nanowire field emitters gave an emission current of 0.1 mA/cm2. Moreover, the field enhancement factor, β, of the crabwise ZnO nanowires was approximately 980.

Keywords: CATHODOLUMINESCENCE (CL); CRABWISE ZNO NANOWIRES; FIELD EMITTERS; NANOWIRES; ZNO

Document Type: Short Communication

DOI: https://doi.org/10.1166/jnn.2007.422

Publication date: 2007-03-01

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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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