Sodium reconstruction on surface of silicate glasses in transmission electron microscope

Nan Jiang, Dong Su, John Spence

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We find that irradiated Na ions in silicate glasses undergo reconstruction on the surfaces before being repelled from the irradiated area by electron excitations. These results are based on evidence from time-dependent electron energy-loss spectroscopy. The process of reconstruction involves an irreversible change of the Na+ → Na0 → Na+, in which the initial and final Na+ ions have different bonding environments. The phenomenon is the result of the elimination of nonbridging oxygen associated with Na.

Original languageEnglish (US)
Article number231906
JournalApplied Physics Letters
Volume91
Issue number23
DOIs
StatePublished - 2007

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silicates
electron microscopes
sodium
glass
elimination
ions
energy dissipation
electron energy
oxygen
spectroscopy
excitation
electrons

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Sodium reconstruction on surface of silicate glasses in transmission electron microscope. / Jiang, Nan; Su, Dong; Spence, John.

In: Applied Physics Letters, Vol. 91, No. 23, 231906, 2007.

Research output: Contribution to journalArticle

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