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Metastable state-induced consecutive step-like negative differential resistance behaviors in single crystalline VO2 nanobeams

Abstract:

We demonstrate the current-dependent consecutive appearance of two different negative differential resistance (NDR) transitions in a single crystalline VO2 nanobeam epitaxially grown on a c-cut sapphire substrate. It is revealed that the first NDR occurs at an approximately constant current level as a result of the carrier injection-induced transition, independent of a thermally induced phase transition. In contrast, it is observed that the second NDR exhibits a temperature-depende...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1039/c7nr00318h

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
More from this funder
Name:
European Research Council
Grant:
FP7/2007–2013) 216777, Project “Nanocomputing Building blocks with Acquired Behaviour (NABAB)”
Publisher:
Royal Society of Chemistry
Journal:
Nanoscale More from this journal
Volume:
9
Issue:
24
Pages:
8200-8206
Publication date:
2017-05-25
Acceptance date:
2017-06-05
DOI:
EISSN:
2040-3372
ISSN:
2040-3364
Pubs id:
pubs:698726
UUID:
uuid:f818117e-141b-467e-8242-517131cf3529
Local pid:
pubs:698726
Source identifiers:
698726
Deposit date:
2017-06-08

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