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A Facile Method for Morphological Control of MgZnO Nanostructures on GaAs Substrates and Their Optical Properties

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Abstract:

This research reports on morphological changes depending on the growth temperature in MgZnO nanostructures grown on GaAs substrates by metalorganic chemical vapor deposition as well as the investigation of their optical properties. As the growth temperature increased, the morphology of the MgZnO nanostructure changed from one-dimensional nanowires (480 °C) to pseudo-two-dimensional nanowalls (500 °C) to pyramid-shaped structures (520 °C). Among these structures, the nanowalls exhibited the best optical properties due to the large active surface area and high crystalline quality.

Keywords: GAAS; MGZNO; MICROSTRUCTURE; NANOWALLS; NANOWIRES; TEM

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2011.4836

Publication date: 2011-08-01

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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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