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Cluster scale composition determination in a boron-rich compound

Jiang, J., Yuan, J. and Bleloch, A. (2007) Cluster scale composition determination in a boron-rich compound. Applied Physics Letters, 91 (11). pp. 113107-1. ISSN 0003-6951

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Composition metrology is an important issue for compound nanostructure and devices. By imaging the internal structure of boron clusters in a boron-rich material using the high angle annular dark field technique in an aberration-corrected scanning transmission electron microscope, the authors have been able to determine quantitatively the local composition to be B6O1−x (x=0.30±0.04) through a relative image contrast analysis with the aid of a dynamical electron scattering simulation. Fluctuation of the oxygen occupancy is spatially resolved. This high precision and efficient measurement allows the study of the nonstoichiometry effect on an atomic scale for boron-rich materials.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 14 Aug 2009 09:47
Last Modified: 14 Aug 2009 09:47
Published Version: http://dx.doi.org/10.1063/1.2773745
Status: Published
Publisher: American Institute of Physics
Identification Number: 10.1063/1.2773745
URI: http://eprints.whiterose.ac.uk/id/eprint/5640

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