[Th-A] Poster Session

[Th-A-13] Mn trimerization induced by magneto-elastic coupling in multiferroic hexagonal YMnO₃ studied by inelastic X-ray scattering

*Kisoo Park^1,2, Joosung Oh^1,2, Jonathan C. Leiner^2,1, Taehun Kim^1,2, Hasung Sim^1,2, Ho-Hyun Nahm^1,2, Ki Hoon Lee^1,2, Jaehong Jeong^1,2, Daisuke Ishikawa³, Alfred Q. R. Baron³, Je-Geun Park^1,2 (1. Center for Correlated Electron Systems, Institute for Basic Science (IBS)(Korea), 2. Department of Physics and Astronomy, Seoul National University(Korea), 3. Materials Dynamics Laboratory, RIKEN SPring-8 Center, RIKEN(Japan))

Keywords:Multiferroics, Hexagonal Manganites, Magneto-elastic Exciation, Magnon-phonon coupling, Non-resonant Inelastic X-ray Scattering