Abstract
The so‐called hybrid improper ferroelectricity (HIF) mechanism allows to create an electrical polarization by assembling two nonpolar materials within a superlattice. It may also lead to the control of the magnetization by an electric field when these two nonpolar materials are magnetic in nature, which is promising for the design of novel magneto‐electric devices. However, several issues of fundamental and technological importance are presently unknown in these hybrid improper ferroelectrics. Examples include the behaviors of its polarization and dielectric response with temperature, and the paths to switch both the polarization and magnetization under electric fields. Here, an effective Hamiltonian scheme is used to study the multiferroic properties of the model superlattice (BiFeO3)1/(NdFeO3)1. Along with the development of a novel Landau‐type potential, this approach allows to answer and understand all the aforementioned issues at both microscopic and macroscopic levels. In particular, the polarization and dielectric response are both found to adopt temperature dependences, close to the phase transition, that agree with the behavior expected for first‐order improper ferroelectrics. And most importantly, a five‐state path resulting in the switching of polarization and magnetization under an electric field, via the reversal of antiphase octahedral tiltings, is also identified.
Bibliography
Xu, B., Wang, D., Zhao, H. J., Ãñiguez, J., Chen, X. M., & Bellaiche, L. (2015). Hybrid Improper Ferroelectricity in Multiferroic Superlattices: FiniteâTemperature Properties and ElectricâFieldâDriven Switching of Polarization and Magnetization. Advanced Functional Materials, 25(24), 3626â3633. Portico.
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Dates
Type | When |
---|---|
Created | 10 years, 3 months ago (May 12, 2015, 3:10 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 7, 2023, 12:02 a.m.) |
Indexed | 1 month ago (Aug. 2, 2025, 12:10 a.m.) |
Issued | 10 years, 3 months ago (May 12, 2015) |
Published | 10 years, 3 months ago (May 12, 2015) |
Published Online | 10 years, 3 months ago (May 12, 2015) |
Published Print | 10 years, 3 months ago (June 1, 2015) |
Funders
6
Department of Energy
10.13039/100000015
U.S. Department of EnergyRegion: Americas
gov (National government)
Labels
8
- Energy Department
- Department of Energy
- United States Department of Energy
- ENERGY.GOV
- US Department of Energy
- USDOE
- DOE
- USADOE
Office of Basic Energy Sciences
10.13039/100006151
Basic Energy SciencesRegion: Americas
gov (National government)
Labels
6
- Office of Basic Energy Sciences
- DOE Office of Basic Energy Sciences
- US Department of Energy's Basic Energy Sciences
- DOE Basic Energy Sciences
- Department of Energy Basic Energy Sciences Program
- BES
Awards
1
- ER-46612
NSF
Awards
1
- DMR-1066158
NSFC
10.13039/501100001809
National Natural Science Foundation of ChinaRegion: Asia
gov (National government)
Labels
11
- Chinese National Science Foundation
- Natural Science Foundation of China
- National Science Foundation of China
- NNSF of China
- NSF of China
- 国家自然科学基金委员会
- National Nature Science Foundation of China
- Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
- NSFC
- NNSF
- NNSFC
Awards
2
- 51390472
- 51332006
Fond National de Recherche Luxembourg through PEARL
Awards
1
- FNR/P12/4853155/Kreisel
MINECO-Spain
Awards
1
- MAT2013-40581-P
@article{Xu_2015, title={Hybrid Improper Ferroelectricity in Multiferroic Superlattices: Finite‐Temperature Properties and Electric‐Field‐Driven Switching of Polarization and Magnetization}, volume={25}, ISSN={1616-3028}, url={http://dx.doi.org/10.1002/adfm.201501113}, DOI={10.1002/adfm.201501113}, number={24}, journal={Advanced Functional Materials}, publisher={Wiley}, author={Xu, Bin and Wang, Dawei and Zhao, Hong Jian and Íñiguez, Jorge and Chen, Xiang Ming and Bellaiche, Laurent}, year={2015}, month=may, pages={3626–3633} }