Off-state and turn-on characteristics of solid electrolyte switch

被引：28

作者：

Tsuji, Y. ^{[1
]}

Sakamoto, T. ^{[1
]}

Banno, N. ^{[1
]}

Hada, H. ^{[1
]}

Aono, M. ^{[2
]}

机构：

[1] NEC Corp Ltd, Device Platforms Res Labs, Kanagawa 2291198, Japan

[2] Natl Inst Mat Sci, MANA, Tsukuba, Ibaraki 3050044, Japan

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 02期

关键词：

electrochemical electrodes; electrochemistry; solid electrolytes; switches; tantalum compounds;

D O I：

10.1063/1.3285177

中图分类号：

O59 [应用物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

We have investigated off-state and turn-on characteristics of a Ta2O5-based solid-electrolyte switch, the resistance of which changes when the metallic current path is formed in the solid-electrolyte. The turn-on voltages are found to vary widely even when the switches are in an off-state with similar resistance. The variation is induced by the residual metal with different shapes that remains in the solid-electrolyte after a switch is turned off. The residual metal with a sharp point enhances the electrochemical reaction, resulting in the turn-on voltage lowering. We also developed a screening scheme to reduce the variation of the turn-on voltages.

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页数：3

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