DOI: 10.1002/adma.201803249. In‐Plane Ferroelectricity in Thin Flakes of Van der Waals Hybrid Perovskite

In‐Plane Ferroelectricity in Thin Flakes of Van der Waals Hybrid Perovskite

10.1002/adma.201803249

Crossref journal-article

Wiley

Advanced Materials (311)

Abstract

AbstractCollective ferroic orders in van der Waals (vdW) crystals are receiving increasing attention in 2D materials research. The interplay between spatial quantum confinement and long‐range cooperative phenomena not only broadens the horizon of fundamental physics, but also enables new device paradigms and functionalities built upon vdW heterostructures. Here, the in‐plane ferroelectric properties in thin flakes of vdW hybrid perovskite bis(benzylammonium) lead tetrachloride are studied. The ordering of electric dipoles along the layer plane circumvents the depolarization field and preserves the ferroelectricity down to one unit‐cell thickness or two vdW layers at room temperature. The superior performance of the electromechanical energy conversion is demonstrated by exploiting its in‐plane piezoelectricity. The successful isolation of ferroelectric order in atomically thin vdW hybrid perovskite paves the way for nonvolatile flexible electronic devices with the cross‐coupling between strain, charge polarization, and valley degrees of freedom.

Bibliography

You, L., Liu, F., Li, H., Hu, Y., Zhou, S., Chang, L., Zhou, Y., Fu, Q., Yuan, G., Dong, S., Fan, H. J., Gruverman, A., Liu, Z., & Wang, J. (2018). InâPlane Ferroelectricity in Thin Flakes of Van der Waals Hybrid Perovskite. Advanced Materials, 30(51). Portico.

Authors 14

Lu You (first)
Fucai Liu (additional)
Hongsen Li (additional)
Yuzhong Hu (additional)
Shuang Zhou (additional)
Lei Chang (additional)
Yang Zhou (additional)
Qundong Fu (additional)
Guoliang Yuan (additional)
Shuai Dong (additional)
Hong Jin Fan (additional)
Alexei Gruverman (additional)
Zheng Liu (additional)
Junling Wang (additional)

References 53 Referenced 98

Dates

Type	When
Created	6 years, 10 months ago (Oct. 18, 2018, 2:36 a.m.)
Deposited	1 year, 11 months ago (Sept. 15, 2023, 12:42 a.m.)
Indexed	1 day, 22 hours ago (Aug. 27, 2025, 11:38 a.m.)
Issued	6 years, 10 months ago (Oct. 17, 2018)
Published	6 years, 10 months ago (Oct. 17, 2018)
Published Online	6 years, 10 months ago (Oct. 17, 2018)
Published Print	6 years, 8 months ago (Dec. 1, 2018)

Funders 2

Ministry of Education - Singapore 10.13039/501100001459
Region: Asia
gov (National government)
Labels5
1. Ministry of Education
2. Ministry of Education (Singapore)
3. MOE Singapore
4. Ministry of Education, Singapore
5. MOE
Awards3
1. Tier 2 MOE2016‐T2‐2‐136
2. AcRF Tier 1 RG126/14
3. RG 99/16
National Research Foundation Singapore 10.13039/501100001381
Region: Asia
gov (National government)
Labels8
1. National Research Foundation-Prime Minister's office, Republic of Singapore
2. Singapore National Research Foundation
3. National Research Foundation of Singapore
4. National Research Foundation, Singapore
5. National Research Foundation, Singapore (NRF)
6. nrfsg
7. NRF Singapore
8. NRF
Awards1
1. NRF‐NRFF2013‐08

BibTeX

@article{You_2018, title={In‐Plane Ferroelectricity in Thin Flakes of Van der Waals Hybrid Perovskite}, volume={30}, ISSN={1521-4095}, url={http://dx.doi.org/10.1002/adma.201803249}, DOI={10.1002/adma.201803249}, number={51}, journal={Advanced Materials}, publisher={Wiley}, author={You, Lu and Liu, Fucai and Li, Hongsen and Hu, Yuzhong and Zhou, Shuang and Chang, Lei and Zhou, Yang and Fu, Qundong and Yuan, Guoliang and Dong, Shuai and Fan, Hong Jin and Gruverman, Alexei and Liu, Zheng and Wang, Junling}, year={2018}, month=oct }

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