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Figure 21
(a) The calculated ground-state phase diagram for the 1/1 PA based on point-charge CEF analysis. Open (filled) symbols denote ferromagnetic (antiferromagnetic) orders. A contour plot of the topological charge n on the icosahedron is also shown. (b) Magnetic textures corresponding to the symbols in panel (a), including the hedgehog (red square) and antiwhirling (orange square) states. (c) Hedgehog state for θ = 33°. (d) Antiwhirling state for θ = 75°, characterized by n = 1. Adapted from Watanabe (2021bView full citation).

IUCrJ
Volume 13| Part 5| September 2026| Pages 552-579
ISSN: 2052-2525
https://doi.org/10.1107/S2052252526006263