Nature Communications (Jun 2017)
Possible absence of critical thickness and size effect in ultrathin perovskite ferroelectric films
- Peng Gao,
- Zhangyuan Zhang,
- Mingqiang Li,
- Ryo Ishikawa,
- Bin Feng,
- Heng-Jui Liu,
- Yen-Lin Huang,
- Naoya Shibata,
- Xiumei Ma,
- Shulin Chen,
- Jingmin Zhang,
- Kaihui Liu,
- En-Ge Wang,
- Dapeng Yu,
- Lei Liao,
- Ying-Hao Chu,
- Yuichi Ikuhara
Affiliations
- Peng Gao
- Electron Microscopy Laboratory, School of Physics, Peking University
- Zhangyuan Zhang
- Electron Microscopy Laboratory, School of Physics, Peking University
- Mingqiang Li
- Electron Microscopy Laboratory, School of Physics, Peking University
- Ryo Ishikawa
- Institute of Engineering Innovation, The University of Tokyo
- Bin Feng
- Institute of Engineering Innovation, The University of Tokyo
- Heng-Jui Liu
- Department of Materials Science and Engineering, National Chung Hsing University
- Yen-Lin Huang
- Department of Materials Science and Engineering, National Chiao Tung University
- Naoya Shibata
- Institute of Engineering Innovation, The University of Tokyo
- Xiumei Ma
- Electron Microscopy Laboratory, School of Physics, Peking University
- Shulin Chen
- Electron Microscopy Laboratory, School of Physics, Peking University
- Jingmin Zhang
- Electron Microscopy Laboratory, School of Physics, Peking University
- Kaihui Liu
- Collaborative Innovation Centre of Quantum Matter
- En-Ge Wang
- Collaborative Innovation Centre of Quantum Matter
- Dapeng Yu
- Electron Microscopy Laboratory, School of Physics, Peking University
- Lei Liao
- Department of Physics and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University
- Ying-Hao Chu
- Department of Materials Science and Engineering, National Chiao Tung University
- Yuichi Ikuhara
- Institute of Engineering Innovation, The University of Tokyo
- DOI
- https://doi.org/10.1038/ncomms15549
- Journal volume & issue
-
Vol. 8,
no. 1
pp. 1 – 8
Abstract
Understanding ferroelectricity at reduced dimensions will be important for future sub-nanoscale devices based on ferroelectrics. Using high resolution electron microscopy; Gaoet al., observe the existence of a measurable polarization at a thickness of just 1.5-unit cells
