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An Investigation of Nickel Cobalt Oxide Nanorings Using Transmission Electron, Scanning Electron and Helium Ion Microscopy

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Abstract:

Nickel cobalt oxide alloy nanorings have been synthesized using a wet chemistry method. Standard characterization techniques such as transmission electron microscopy (TEM) and scanning electron microscopy (SEM) have been used to characterize the nanorings. We, however, also examined the nanostructures in the helium ion microscope (HIM) and employed backscattered ion spectroscopy to determine thickness and composition of the nanostructure. The HIM provides complementary information of the nanostructures and the viability of using it as a tool for magnetic nanoparticle characterization was demonstrated by comparing the results from all three microscopes.

Keywords: COBALT; HELIUM ION MICROSCOPY; NICKEL; OXIDES; SCANNING ELECTRON MICROSCOPY; TRANSMISSION ELECTRON MICROSCOPY

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2012.4260

Publication date: 2012-02-01

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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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