Unipolar switching in Pt/GeSexTe1-x/Pt

Title
Unipolar switching in Pt/GeSexTe1-x/Pt
Authors
정두석손서희이수연정병기
Keywords
resistive switching; unipolar switching; chalcogenide
Issue Date
2010-10
Publisher
Electrochemical and solid-state letters
Citation
VOL 13, NO 12, G111-G113
Abstract
We report unipolar switching in amorphous GeSexTe1−x of varying Se content x sandwiched between Pt top and bottom electrodes. After the initialization process, termed electroforming, repeatable unipolar switching was observed. We investigated the effect of the Se to Te ratio on the unipolar switching as well as on the electroforming voltage and the resistance of the aselectroformed state, which showed increases in the electroforming voltage and the resistance of the as-electroformed state with increasing Se content. Some phenomenological evidences of unipolar switching, which cannot be explained by means of the conventional phase-change effect, are reported.
URI
http://pubs.kist.re.kr/handle/201004/38152
ISSN
1099-0062
Appears in Collections:
KIST Publication > Article
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