γ-BaFe2O4: a fresh playground for room temperature multiferroicity

Fabio Orlandi; Davide Delmonte; Gianluca Calestani; Enrico Cavalli; Edmondo Gilioli; Vladimir V. Shvartsman; Patrizio Graziosi; Stefano Rampino; Giulia Spaggiari; Chao Liu; Wei Ren; Silvia Picozzi; Massimo Solzi; Michele Casappa; Francesco Mezzadri

doi:10.1038/s41467-022-35669-5

Nature Communications (Dec 2022)

γ-BaFe2O4: a fresh playground for room temperature multiferroicity

Fabio Orlandi,
Davide Delmonte,
Gianluca Calestani,
Enrico Cavalli,
Edmondo Gilioli,
Vladimir V. Shvartsman,
Patrizio Graziosi,
Stefano Rampino,
Giulia Spaggiari,
Chao Liu,
Wei Ren,
Silvia Picozzi,
Massimo Solzi,
Michele Casappa,
Francesco Mezzadri

Affiliations

Fabio Orlandi: ISIS Facility, Rutherford Appleton Laboratory
Davide Delmonte: IMEM-CNR
Gianluca Calestani: Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma
Enrico Cavalli: Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma
Edmondo Gilioli: IMEM-CNR
Vladimir V. Shvartsman: Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen
Patrizio Graziosi: CNR-ISMN
Stefano Rampino: IMEM-CNR
Giulia Spaggiari: IMEM-CNR
Chao Liu: Physics Department, International Center of Quantum and Molecular Structures, Materials Genome Institute, State Key Laboratory of Advanced Special Steel, Shanghai Key Laboratory of High Temperature Superconductors, Shanghai University
Wei Ren: Physics Department, International Center of Quantum and Molecular Structures, Materials Genome Institute, State Key Laboratory of Advanced Special Steel, Shanghai Key Laboratory of High Temperature Superconductors, Shanghai University
Silvia Picozzi: Consiglio Nazionale delle Ricerche (CNR-SPIN), Unità di Ricerca presso Terzi c/o Università “G. D’Annunzio”
Massimo Solzi: Department of Mathematical, Physical and Computer Sciences, University of Parma
Michele Casappa: IMEM-CNR
Francesco Mezzadri: IMEM-CNR

DOI: https://doi.org/10.1038/s41467-022-35669-5
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 10

Abstract

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The application of multiferroics is often limited by low ordering temperatures. Here, the authors show that BaFe2O4 is a room temperature antiferromagnet with improper ferroelectricity, suggesting it as a playground for the study of multiferroicity.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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