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Figure 2
FTIR absorption spectra in the 1275–850 cm−1 range of silica films exposed to different X-ray doses. The arrows in the figure show the directions of change in intensity with the increase of dose; at higher doses the Si—OH band at 930 cm−1 and the shoulder at 1150 cm−1 decrease, while the Si—O—Si band at 1070 cm−1 increases in intensity. Colours of the curves: magenta, as-deposited (unexposed reference sample); red, 94 J cm−2; cyan, 188 J cm−2; blue, 377 J cm−2; black, 754 J cm−2; green, 1508 J cm−2; navy, 3015 J cm−2.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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