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Figure 16
A plot showing the measured SANS scattering from filter-grade graphite as a function of temperature. The upturn for q < 0.04 Å−1, which is insensitive to temperature, is likely to originate from SANS from large defects such as voids. The scattering peak at q = 0.13 Å−1, which increases with temperature, is probably from a phonon mode. The rather flat scattering over the range 0.05 < q < 0.09 Å−1 is attributed to single-phonon scattering from transverse modes. The data shown in Fig. 14[link] for graphite are obtained by taking the average value over the q range 0.05 < q < 0.09 Å−1.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 48| Part 4| August 2015| Pages 1055-1071
https://doi.org/10.1107/S1600576715010729
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