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Figure 2
Two absorption-contrast images of pre-oxidized polyacrylonitrile fibre cross section at E2 = 528.5 eV (a) and E1 = 532.5 eV (b). The image size, step and number of pixels are 13 µm × 13 µm, 50 nm and 261 × 261, respectively. The difference between the two images is not evident to the naked eye.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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