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Figure 6
An illustration of the relevant length scales for SANS when conducted with (a) large micrometre-sized graphite particles (i.e. of the size of most battery active materials) or with (b) particles in the nanometre size scale, as is the case for most SANS applications. For the micrometre-sized particles in panel (a), the minimum q value is already in the Porod region, i.e. 1/q is small compared with the particle size. Further complexity is added by the coherence length, which limits the area of coherent interaction and thus the sampling depth.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 53| Part 1| February 2020| Pages 210-221
https://doi.org/10.1107/S160057671901714X
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