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Electronic structure of cobalt nanocrystals suspended in liquid
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Soft X-Ray Physics.
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2007 (English)In: Nano letters (Print), ISSN 1530-6984, E-ISSN 1530-6992, Vol. 7, no 7, 1919-1922 p.Article in journal (Refereed) Published
Abstract [en]

The electronic structure of cobalt nanocrystals suspended in liquid as a function of size has been investigated using in situ X-ray absorptionand emission spectroscopy. A sharp absorption peak associated with the ligand molecules is found that increases in intensity upon reducingthe nanocrystal size. X-ray Raman features due to d−d and to charge-transfer excitations of ligand molecules are identified. The study revealsthe local symmetry of the surface of E-Co phase nanocrystals, which originates from a dynamic interaction between Co nanocrystals andsurfactant + solvent molecules.

Place, publisher, year, edition, pages
2007. Vol. 7, no 7, 1919-1922 p.
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Physical Sciences Chemical Sciences Engineering and Technology
URN: urn:nbn:se:uu:diva-16946DOI: 10.1021/nl070586oISI: 000247926400014OAI: oai:DiVA.org:uu-16946DiVA: diva2:44717
Available from: 2008-06-11 Created: 2008-06-11 Last updated: 2011-02-24Bibliographically approved

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Nordgren, Joseph
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