%0 Journal Article %A Solana Madruga, Elena %A Aguilar Maldonado, Cintli %A Arévalo López, Ángel M. %A Attfield, J. Paul %A Mentré, Olivier %A Ritter, Clemens %T Mn3MnNb2O9: high-pressure triple perovskite with 1 : 2 B-site order and modulated spins %D 2021 %U https://hdl.handle.net/20.500.14352/137076 %X The first triple perovskite with Mn in A- and 1 : 2 B-site order Mn3MnNb2O9, prepared using high pressure phase transformation of the magnetodielectric Mn4Nb2O9, is reported herein. It has a complex magnetic behaviour with a transition from a collinear AFM into an evolving incommensurate spin density wave (SDW) further stabilised into a lock-in structure dictated by the B-site order. %~