A Polymer-Electrolyte-Based Atomic Switch

被引：132

作者：

Wu, Shouming ^{[1
]}

Tsuruoka, Tohru ^{[1
]}

Terabe, Kazuya ^{[1
]}

Hasegawa, Tsuyoshi ^{[1
]}

Hill, Jonathan P. ^{[1
]}

Ariga, Katsuhiko ^{[1
]}

Aono, Masakazu ^{[1
]}

机构：

[1] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050044, Japan

来源：

ADVANCED FUNCTIONAL MATERIALS | 2011年 / 21卷 / 01期

基金：

日本科学技术振兴机构;

关键词：

POLY(ETHYLENE OXIDE); NONVOLATILE MEMORY; TRANSPORT; IONS; DISSOLUTION; MECHANISMS; DEVICES; COPPER;

D O I：

10.1002/adfm.201001520

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Studies on a resistive switching memory based on a silver-ion-conductive solid polymer electrolyte (SPE) are reported. Simple Ag/SPE/Pt structures containing polyethylene oxide-silver perchlorate complexes exhibit bipolar resistive switching under bias voltage sweeping. The switching behavior depends strongly on the silver perchlorate concentration. From the results of thermal, transport, and electrochemical measurements, it is concluded that the observed switching originates from formation and dissolution of a silver metal filament inside the SPE film caused by electrochemical reactions. This is the first report of an electrochemical "atomic switch" realized using an organic material. The devices also show ON/OFF resistance ratios greater than 10(5), programming speeds higher than 1 mu s, and retention times longer than 1 week. These results suggest that SPE-based electrochemical devices might be suitable for flexible switch and memory applications.

引用

页码：93 / 99

页数：7

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