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Figure 13
Experimentally measured and theoretically calculated phonon and magnon modes: (a) a gap in the acoustic phonon mode observed in YMnO3 below TN at high [|q|]; (b) no gap in the magnon dispersion at lower [|q|]; (c) the simulation result. Reprinted with permission from Petit et al. (2007BB90) (Copyright © 2007, American Physical Society).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 72| Part 1| January 2016| Pages 3-19
doi:10.1107/S2052520615022106
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