Electrically induced conducting nanochannels in an amorphous resistive switching niobium oxide film

Title
Electrically induced conducting nanochannels in an amorphous resistive switching niobium oxide film
Authors
정규호김용민정웅임현식박배호홍진표이지영박종구이전국
Keywords
nano-channel; Niobium oxide; resistive swithcing; electrically induced conducting; focused ion beam
Issue Date
2010-12
Publisher
Applied physics letters
Citation
VOL 97, NO 23, 233509-1-233509-3
Abstract
Metallic nanostructures that act as electrical switches between bistable resistance states are created electrically in an insulating amorphous niobium oxide thin film. The physical formation of the metallic nanostructures are probed using in situ focused ion beam scanning electron microscopy equipped with a current-voltage measurement system. While the electroforming process changes the film, dramatically inducing metallic nanochannels across it, significant changes in the film do not occur during repeated resistance switching afterward. A qualitative resistive switching model is proposed taking into account the gradual forming process.
URI
http://pubs.kist.re.kr/handle/201004/39213
ISSN
0003-6951
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KIST Publication > Article
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