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

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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.

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Acknowledgments

This work is supported by the NSF DMR0603993. The use of facilities within the Centre for Solid State Science at Arizona State University is also acknowledged.

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Authors and Affiliations

  1. Department of Physics, Arizona State University, Tempe, Arizona, 85287-1504, USA

    Nan Jiang, D. Su & J.C.H. Spence

  2. Department of Materials Science, Zhejiang University, Hongzhou, People’s Republic of China

    S. Zhou & J. Qiu

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  1. Nan Jiang
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  2. D. Su
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  3. J.C.H. Spence
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  4. S. Zhou
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  5. J. Qiu
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Correspondence to Nan Jiang.

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Jiang, N., Su, D., Spence, J. et al. Electron energy loss spectroscopy of Na in Na, Na2O, and silicate glasses. Journal of Materials Research 23, 2467–2471 (2008). https://doi.org/10.1557/jmr.2008.0296

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  • DOI: https://doi.org/10.1557/jmr.2008.0296

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