Toward Intrinsic Ferroelectric Switching in Multiferroic BiFeO3

Eric Parsonnet, Yen Lin Huang, Tanay Gosavi, Alexander Qualls, Dmitri Nikonov, Chia Ching Lin, Ian Young, Jeffrey Bokor, Lane W. Martin, Ramamoorthy Ramesh

研究成果: Article同行評審

37 引文 斯高帕斯(Scopus)

摘要

Using pulsed ferroelectric measurements, we probe switching dynamics in multiferroic BiFeO3, revealing low-ns switching times and a clear pathway to sub-ns switching. Our data is well described by a nucleation and growth model, which accounts for the various timescales in the switching process, namely (1) the ferroelectric polarization switching (bound-charge) dynamics and (2) the RC-limited movement of free charge in the circuit. Our model shows good agreement with observed data and begins to bridge the gap between experiment and theory, indicating pathways to study ferroelectric switching on intrinsic timescales.

原文English
文章編號067601
期刊Physical Review Letters
125
發行號6
DOIs
出版狀態Published - 7 8月 2020

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