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Figure 2
HRTEM data of a BNNT sample. (a) An HRTEM image of the BNNT sample, revealing the BNNT–BNNS structure where the BNNS grew from the BNNT on the left. (b) An atomic resolution image of the rectangle in (a). Split spots in the FFT patterns indicate that the BNNS consists of two BNNSs twisted by a few degrees. h(100) spots are of the hexagonal structure due to local sliding of the BN sheets destroying the orthorhombic structure.

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