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Electron energy loss spectroscopy of Na in Na, Na2O, and silicate glasses

Published online by Cambridge University Press:  31 January 2011

Nan Jiang ,
D. Su ,
J.C.H. Spence ,
S. Zhou  and
J. Qiu
Nan Jiang*
Affiliation:
Department of Physics, Arizona State University, Tempe, Arizona 85287-1504
D. Su
Affiliation:
Department of Physics, Arizona State University, Tempe, Arizona 85287-1504
J.C.H. Spence
Affiliation:
Department of Physics, Arizona State University, Tempe, Arizona 85287-1504
S. Zhou
Affiliation:
Department of Materials Science, Zhejiang University, Hongzhou, People’s Republic of China
J. Qiu
Affiliation:
Department of Materials Science, Zhejiang University, Hongzhou, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Measuring Na in silicate glasses can be difficult in transmission electron microscopy due to modifications induced by electron irradiation. The modifications involve not only the loss of Na from the illuminated region, but also the formation of Na and Na2O. This work compares the electron energy loss spectroscopy (EELS) of plasmon and Na L23 edge in Na2O–SiO2 glass with those in Na and Na2O. The interpretations of the fine structures in Na L23 edge were also given with the aid of full multiplescattering calculations. It demonstrates that the formation of metallic Na can be easily identified by its bulk plasmon at about 5.8 eV, and the formation of Na2O can be better seen by Na L23-edge fine structure.

Keywords

Electron energy loss spectroscopy (EELS)NaOxide
Type
Articles
Information
Journal of Materials Research , Volume 23 , Issue 9 , September 2008 , pp. 2467 - 2471
Copyright
Copyright © Materials Research Society 2008

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References

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