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Magnetic Behavior of ZnO Nanorods Doped with Silver (Ag3+) Ions

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The effects of substituting Ag3+ into Ag-doped ZnO nanorod’s, Zn1-x Ag x O (x = 0.0, 0.1, 0.2, 0.3, 0.4 and 0.5) are investigated. X-ray diffraction (XRD) patterns do not show that the Ag ions are systematically replacing the Zn ions but some are instead forming into nanoscale Ag aggregates. The enhancement of different portions of the photoluminescence spectrums provide information on where the defects in the wurtzite structures are forming. Scanning electron microscopy (SEM) show the morphologies of nanorods are changing along with the shape of the rods as the level of Ag substitute increase. Vibrating sample magnetometer (VSM) measurements shows that the magnetic moments formed on the Zn vacancies increase with increasing Ag substitution. This is the opposite of what is seen when Sb5+ ions are doped into the ZnO nanorods but is similar to the behavior seen when Al3+ ions are doped into the nanorods.
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Keywords: Ag Doped ZnO; Hydrothermal Method; Hysteresis Loop; ZnO Nanorods

Document Type: Research Article

Affiliations: 1: Department of Physics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand 2: Department of Materials Science and Engineering, Faculty of Engineering, National University of Singapore, Singapore 117576, Singapore 3: Department of Materials Science, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand

Publication date: August 1, 2017

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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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