Tetrahedral chain ordering and low dimensional magnetic lattice in a new brownmillerite Sr2ScFeO5

Sourav Marik; Bruno Gonano; Fabien Veillon; Yohann Bréard; Denis Pelloquin; Vincent Hardy; Guillaume Clet; Jean Marie Le Breton

doi:10.1039/C9CC05158A

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Tetrahedral chain ordering and low dimensional magnetic lattice in a new brownmillerite Sr₂ScFeO₅†

Sourav Marik,

*^ab Bruno Gonano,

^a Fabien Veillon,^a Yohann Bréard,

^ab Denis Pelloquin,^a Vincent Hardy,^a Guillaume Clet^c and Jean Marie Le Breton^d

Author affiliations

* Corresponding authors

^a Laboratory Crismat, UMR6508 CNRS ENSICAEN, 6 bd Maréchal Juin, 14050 Caen cedex 4, France
E-mail: sourav.marik@ensicaen.fr, soumarik@gmail.com

^b Normandie University, ENSICAEN, UNICAEN, CNRS, France

^c Normandie University, ENSICAEN, UNICAEN, CNRS, LCS, 14000 Caen, France

^d Groupe de Physique des Matériaux, UMR 6634 CNRS – Université de Rouen, Site universitaire du Madrillet, avenue de l'Université – BP 12, 76801 Saint Etienne du., Rouvray Cedex, France

Abstract

We report the synthesis, structure and physical properties of a hitherto unreported brownmillerite compound Sr₂ScFeO₅. We have shown a new ordering sequence of the interlayer iron tetrahedral chains. Reduced dimensionality of the magnetic lattice and the frustration in the two dimensional iron tetrahedral chains originate complex magnetic and magneto-dielectric effects. Our study highlights a novel approach to tailor the magnetic lattice in bulk oxides.

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Article information

DOI: https://doi.org/10.1039/C9CC05158A
Article type: Communication
Submitted: 05 Jul 2019
Accepted: 30 Jul 2019
First published: 30 Jul 2019

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Chem. Commun., 2019,55, 10436-10439

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Tetrahedral chain ordering and low dimensional magnetic lattice in a new brownmillerite Sr₂ScFeO₅

S. Marik, B. Gonano, F. Veillon, Y. Bréard, D. Pelloquin, V. Hardy, G. Clet and J. M. Le Breton, Chem. Commun., 2019, 55, 10436 DOI: 10.1039/C9CC05158A

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Chemical Communications