期刊
JOURNAL OF APPLIED PHYSICS
卷 106, 期 7, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3236632
关键词
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资金
- National Basic Research Program of China [2010CB934200, 2006CB302706]
- National Natural Science Foundation of China (NNSFC) [60825403, 60676008]
- Hi-Tech Research and Development Program of China [2008AA031403, 2009AA03Z306]
The ZrO2 films with Au nanocrystals embedded (ZrO2 : nc-Au) are fabricated by e-beam evaporation, and the self-rectifying effect in the Au/ZrO2 : nc-Au/n(+) Si sandwich structure is investigated. Self-rectifying resistive switching characteristics are obtained when the resistive memory is switched to low-resistance state (LRS). It is found that the Schottky contact at the Au/ZrO2 interface limits charge injection under reverse bias, while under forward bias the current is limited by space charge, resulting in a rectification of 7 X 10(2) under +/- 0.5 V at LRS, which enables the resistive memory to alleviate the cross-talk effect without additional switching elements in crossbar structure arrays. This self-rectifying resistive switching is believed to occur at a localized region and explained by a proposed model. (c) 2009 American Institute of Physics. [doi:10.1063/1.3236632]
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