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Figure 2
(a) and (b) HAADF-STEM images of LMR-NMC. The bright dots correspond to columns of TM atoms, whereas the less bright dots correspond to columns that contain both lithium atoms and TM atoms. The lines in (a) and (b) show the lateral displacements of the honeycomb layers. At the scale of a few unit-cell repetitions, stacking faults and twin boundaries can be observed. (c) The two stacking faults indicated in (a) are equivalent to the C2/m unit cell observed along the [100] and [110] directions. Green, purple and red spheres represent lithium atoms, TM atoms and oxygen atoms, respectively.

Volume 9| Part 5| September 2022| Pages 695-704
ISSN: 2052-2525