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J Electron Microsc (Tokyo). 2005 Jun;54(3):287-91. Epub 2005 Aug 25.

Electron energy-loss spectroscopy study of ZnO nanobelts.

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1
School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Drive, N. W., Atlanta, GA 30332-0245, USA.

Abstract

Nanobelts of ZnO have well-defined shapes that are enclosed by {0001}, {0110} and {2110} facets. The nanobelts grow along [0110] and [2110] with large flat surfaces of +/-(0001) and +/-(0110), respectively. Electron energy-loss spectroscopy has been applied to study the electronic structure of ZnO nanobelts of different growth orientations. A plasmon peak observed at 13 eV is suggested to be the result of polar surface excitation. The energy-loss near-edge structure of the oxygen K and zinc L3 edges acquired from the two types of nanobelts show clear orientation dependence, and they agree well to the calculated results.

PMID:
16123068
DOI:
10.1093/jmicro/dfi039
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