Polarization induced resistance switching effect in ferroelectric vinylidene-fluoride/trifluoroethylene copolymer ultrathin films

被引：11
|
作者：
Usui, S. [1 ]
Nakajima, T. [1 ]
Hashizume, Y. [1 ]
Okamura, S. [1 ]
机构：
[1] Tokyo Univ Sci, Dept Appl Phys, Katsushika Ku, Tokyo 1258585, Japan
来源：
APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 16期
关键词：
TUNNEL-JUNCTIONS; GIANT ELECTRORESISTANCE;
D O I：
10.1063/1.4900490
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We observed a clear polarization reversal-induced resistance switching effect in ferroelectric Vinylidene-fluoride (VDF)/Trifluoroethylene (TrFE) copolymer thin films. Pt and Au were used as the bottom and top electrodes, respectively, and the thickness of the VDF/TrFE copolymer film was adjusted to be 10 nm. The conduction current was 100 times higher in the case of the spontaneous polarization of the VDF/TrFE film towards the Au electrode than that in the case of the opposite direction. This resistance switching was confirmed to be reproducible after 10 successive polarization reversals. (C) 2014 AIP Publishing LLC.
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页数：3
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