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Vol. 5 No. 2 (2013)

Recent Progress in Ferroelectric Diodes: Explorations in Switchable Diode Effect

https://doi.org/10.1007/BF03353733
Chen Ge
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Can Wang
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Kui-juan Jin
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Hui-bin Lu
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Guo-zhen Yang
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

Corresponding Author: Kui-juan Jin

kjjin@iphy.ac.cn

Nano-Micro Letters, Vol. 5 No. 2 (2013), Article Number: 81-87

Abstract

Switchable diode effect in ferroelectric diodes has attracted much attention for its potential applications in novel nonvolatile memories. We briefly review recent investigations on the switchable diode effect in ferroelectric diodes both experimentally and theoretically. Many recent studies demonstrate that the interfacial barrier between the metal-ferroelectrics could be modulated by the polarization charges, and the ferroelectric polarization that can be reversed by an external electric field plays a dominant role in the switchable diode effect. Moreover, we review a self-consistent numerical model, which can well describe the switchable diode effect in ferroelectric diodes. Based on this model, it can be predicted that it is a better choice to select metals with a smaller permittivity, such as noble metals, to obtain a more pronounced switchable diode effect in ferroelectric diodes.

Keywords

Ferroelectric diodes Switchable diode effect Metal/ferroelectrics/metal structure Self-consistent mode
Ge, Chen, Can Wang, Kui-juan Jin, Hui-bin Lu, and Guo-zhen Yang. 2013. “Recent Progress in Ferroelectric Diodes: Explorations in Switchable Diode Effect”. Nano-Micro Letters 5 (2):81-87. https://doi.org/10.1007/BF03353733.
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