%0 Journal Article
%A Solana Madruga, Elena
%A Ritter, Clemens 
%A Mentré, Olivier 
%A Arévalo-López, Ángel M. 
%T Spin structures and band gap reduction of high-pressure triple perovskite Mn3MnTa2O9
%D 2021
%U https://hdl.handle.net/20.500.14352/117543
%X Herein we report the second transition-metal-only triple perovskite Mn3MnTa2O9, from high pressure-high temperature transformation of Mn4Ta2O9. It shows 1 : 2 Mn : Ta B-site order and a complex antiferromagnetic behavior with a collinear structure that modulates into a spin density wave. The high pressure phase presents a 25% band gap reduction compared to its multiferroic precursor, recoverable above 625 °C.
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