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. 2021 Jan 22;8(6):2003534. doi: 10.1002/advs.202003534

Figure 9.

Figure 9

a) The near‐cubic unit cell of the R 1‐ xAxMnO3 perovskite. b) The schematic diagram of the five‐fold degenerated Mn3+‐3d orbital levels with distinct crystal‐field splittings. c) The typical octahedral Jahn–Teller distortions coupled with e g occupied orbitals. d) The results of neutron PDF refinements for La1‐ xCaxMnO3 (x = 0.18 and 0.22) samples at variable r‐distances to reveal the correlation length of the J–T distortion. Reproduced with permission.[ 212 ] Copyright 2016 by the American Physics Society. e) The representative orbital‐correlated models for small‐box PDF refinements and the corresponding X‐ray and neutron PDF patterns. Reproduced with permission.[ 213 ] Copyright 2017 by the American Physics Society.