Impact of the Mechanical Stress on Switching Characteristics of Electrochemical Resistive Memory

被引:92
作者
Ambrogio, Stefano [1 ,2 ]
Balatti, Simone [1 ,2 ]
Choi, Seol [1 ,2 ]
Ielmini, Daniele [1 ,2 ]
机构
[1] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, I-20133 Milan, MI, Italy
[2] IU NET, I-20133 Milan, MI, Italy
关键词
SOLID-ELECTROLYTE; MIGRATION;
D O I
10.1002/adma.201306250
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Electrochemical memory (ECM) shows a marked asymmetric switching due to the different ionic energy barriers under a positive or negative voltage. The switching asymmetry can be explained by the mechanical-stress gradient aiding the CF retraction under negative erase. CF stabilization is demonstrated by increasing the program pulse width, suggesting the alleviation of the stress field through electrically induced relaxation and allowing reliable ECM storage to be achieved.
引用
收藏
页码:3885 / 3892
页数:8
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