Mn3MnNb2O9: high-pressure triple perovskite with 1 : 2 B-site order and modulated spins

Elena Solana-Madruga; Clemens Ritter; Cintli Aguilar-Maldonado; Olivier Mentré; J. Paul Attfield; Ángel M. Arévalo-López

doi:10.1039/D1CC02782D

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Mn₃MnNb₂O₉: high-pressure triple perovskite with 1 : 2 B-site order and modulated spins†

Elena Solana-Madruga,

*^ab Clemens Ritter,^c Cintli Aguilar-Maldonado,

^a Olivier Mentré,

^a J. Paul Attfield

^b and Ángel M. Arévalo-López

*^a

Author affiliations

* Corresponding authors

^a Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181–UCCS–Unité de Catalyse et Chimie du Solide, Lille F-59000, France
E-mail: elena.solanamadruga@univ-lille.fr, angel.arevalo-lopez@univ-lille.fr

^b Centre for Science at Extreme Conditions (CSEC) and School of Chemistry, The University of Edinburgh, UK

^c Institut Laue-Langevin, Avenue des Martyrs 71, Grenoble Cedex, France

Abstract

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.

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Article information

DOI: https://doi.org/10.1039/D1CC02782D
Article type: Communication
Submitted: 28 May 2021
Accepted: 25 Jul 2021
First published: 26 Jul 2021

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Chem. Commun., 2021,57, 8441-8444

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Mn₃MnNb₂O₉: high-pressure triple perovskite with 1 : 2 B-site order and modulated spins

E. Solana-Madruga, C. Ritter, C. Aguilar-Maldonado, O. Mentré, J. P. Attfield and Á. M. Arévalo-López, Chem. Commun., 2021, 57, 8441 DOI: 10.1039/D1CC02782D

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