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Figure 5
XRD analysis for BN structures. (a) XRD patterns of BNNTs and BN powders. The (020) and (200) peaks of the BNNTs (orthorhombic) are equivalent to (100) and (110) of the BN powders (hexagonal), respectively. (b) Simulated XRD patterns of typical BN crystals. AAh BN adopts an orthorhombic structure, while AA and AB BN (where a, b and c are 2.46 Å, 2.46 Å and 6.70 Å, respectively) adopt a hexagonal structure.

IUCrJ
Volume 8| Part 6| November 2021| Pages 1018-1023
ISSN: 2052-2525
https://doi.org/10.1107/S2052252521009118