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![[Figure 5]](aj6030fig5mag.jpg)
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Figure 5
SAXS by nanochannels in a track-etched amorphous polycarbonate membrane (Pépy et al., 2007  ). The polymer foil was 10 µm thick. It had been irradiated with 3 × 108 ions cm−2 and etched for 3 min in 5 M NaOH at 333 K. The channel axis was off by about 13° with respect to the X-ray beam (ID01 beamline, ESRF, Grenoble). The significant scattering (and filter) is oblique because it was not possible to orient the channel axis inside the horizontal plane. The model is the form factor of a cylinder with radius R = 33.8 nm (note that the scattering is varying very fast in both directions, which requires a two-dimensional fit; the display on the left is a projection of the pixel intensity versus the scattering vector modulus Q, the best possible representation, while somewhat blurred because no one-dimensional representation exists). |
![[Figure 5]](aj6030fig5.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
