Electron irradiation induced phase separation in a sodium borosilicate glass was studied in situ by analytical electron microscopy. Distinctly separate phases that are rich in boron and silicon formed at electron doses higher than 4.0 × 1011 Gy during irradiation. The separated phases are still in amorphous states even at a much high dose (2.1 × 1012 Gy). It indicates that most silicon atoms remain tetrahedrally coordinated in the glass during the entire irradiation period, except some possible reduction to amorphous silicon. The link provided leads to the abstract only. The full article may be purchased from Elsevier.

Citation: Sun, K., Wang, L.M., Ewing, R.C., Weber, W.J. "Electron Irradiation Induced Phase Separation in a Sodium Borosilicate Glass."Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 218 (June 2004): 368-374.

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