Possible absence of critical thickness and size effect in ultrathin perovskite ferroelectric films

Possible absence of critical thickness and size effect in ultrathin perovskite ferroelectric films

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

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Bibliographic Details
Main Authors: 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
Format: article
Language:EN
Published: Nature Portfolio 2017
Subjects:
Science
Q
Online Access:https://doaj.org/article/337d84424ee94563b736d05bd1d5fa1c
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