High-temperature ferroelectricity and strong magnetoelectric effects in a hybrid organic-inorganic perovskite framework

A Cu‐based organic–inorganic perovskite framework exhibits high‐temperature ferroelectricity with strong magnetoelectric effects. Both electric field control of magnetization and magnetic field control of polarization are realized. Theoretical calculations suggest that a new mechanism of hybrid impr...

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Bibliographic Details
Published in:Physica status solidi. PSS-RRL. Rapid research letters 2015-01, Vol.9 (1), p.62-67
Main Authors: Tian, Ying, Stroppa, Alessandro, Chai, Yi-Sheng, Barone, Paolo, Perez-Mato, Manuel, Picozzi, Silvia, Sun, Young
Format: Article
Language:English
Subjects:
Copper
Distortion
Electric fields
Ferroelectricity
High temperature
hydrogen bond
Magnetic fields
Magnetization
magnetoelectric effect
Materials science
Mathematical analysis
metal-organic framework
Minerals
multiferroic
Perovskites
Solid state physics
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Summary:A Cu‐based organic–inorganic perovskite framework exhibits high‐temperature ferroelectricity with strong magnetoelectric effects. Both electric field control of magnetization and magnetic field control of polarization are realized. Theoretical calculations suggest that a new mechanism of hybrid improper ferroelectricity arising from the Jahn–Teller distortions of magnetic metal ions and tilting of the organic cations are responsible for the peculiar multiferroic behaviors. A Cu‐based perovskite organic–inorganic framework showing high‐temperature improper ferroelectricity. (© 2015 WILEY‐VCH Verlag GmbH &Co. KGaA, Weinheim) A hybrid organic–inorganic framework with a perovskite‐like structure shows a ferroelectric phase transition close to room temperature. Moreover, both electric field control of magnetization and magnetic field control of electric polarization are realized. This Letter demonstrates the promise of hybrid organic–inorganic materials for advanced materials with exotic electronic and magnetic properties.
ISSN:1862-6254
1862-6270
DOI:10.1002/pssr.201409470