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Appl. Sci. 2012, 2(2), 396-442; doi:10.3390/app2020396

Ion Beam Formation and Modification of Cobalt Nanoparticles

*  and
Department of Electronic Materials Engineering, Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200, Australia
* Author to whom correspondence should be addressed.
Received: 7 March 2012 / Revised: 9 April 2012 / Accepted: 20 April 2012 / Published: 27 April 2012
(This article belongs to the Special Issue Magnetic Nanoparticles: Synthesis, Properties and Applications)


This article reviews the size-dependent structural properties of ion beam synthesized Co nanoparticles (NPs) and the influence of ion irradiation on the size, shape, phase and structure. The evolution of the aforementioned properties were determined using complementary laboratory- and advanced synchrotron-based techniques, including cross-sectional transmission electron microscopy, small-angle X-ray scattering and X-ray absorption spectroscopy. Combining such techniques reveals a rich array of transformations particular to Co NPs. This methodology highlights the effectiveness of ion implantation and ion irradiation procedures as a means of fine tuning NP properties to best suit specific technological applications. Furthermore, our results facilitate a better understanding and aid in identifying the underlying physics particular to this potentially technologically important class of nanomaterials.
Keywords: obalt; ion irradiation; phase transformation; EXAFS; SAXS; XTEM obalt; ion irradiation; phase transformation; EXAFS; SAXS; XTEM
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Sprouster, D.J.; Ridgway, M.C. Ion Beam Formation and Modification of Cobalt Nanoparticles. Appl. Sci. 2012, 2, 396-442.

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