Document Detail


Monitoring Oxygen Movement by Raman Spectroscopy of Resistive Random Access Memory with a Graphene-Inserted Electrode.
MedLine Citation:
PMID:  23278753     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In this paper, we employed Ramen spectroscopy to monitor oxygen movement at the electrode/oxide interface by inserting single-layer graphene (SLG). Raman area mapping and single point measurements show noticeable changes in the D-band, G-band, and 2D-band signals of the SLG during consecutive electrical programming repeated for 9 cycles. In addition, the inserted SLG enables the reduction of RESET current by 22 times and programming power consumption by 47 times. Collectively, our results show that monitoring the oxygen movement by Raman spectroscopy for an RRAM is made possible by inserting a single-layer graphene in the electrode. This may open up an important analysis tool for studying the switching device physics of RRAM.
Authors:
He Tian; Hong-Yu Chen; Bin Gao; Shimeng Yu; Jiale Liang; Yi Yang; Dan Xie; Jinfeng Kang; Tian-Ling Ren; Yuegang Zhang; H-S Philip Wong
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-2
Journal Detail:
Title:  Nano letters     Volume:  -     ISSN:  1530-6992     ISO Abbreviation:  Nano Lett.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088070     Medline TA:  Nano Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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