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Electrical breakdown of suspended mono- and few-layer tungsten disulfide via sulfur depletion identified by in situ atomic imaging

Abstract:

The high-bias and breakdown behavior of suspended mono- and few-layer WS2 was explored by in situ aberration-corrected transmission electron microscopy. The suspended WS2 devices were found to undergo irreversible breakdown at sufficiently high biases due to vaporization of the WS2. Simultaneous to the removal of WS2 was the accompanying formation of few-layer graphene decorated with W and WS2 nanoparticles, with the carbon source attributed to organic residues present on the WS2 surface. The...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1021/acsnano.7b05080

Authors


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Institution:
University of Oxford
Division:
Maths, Physical & Life Sciences
Department:
Materials
ORCID:
0000-0002-9521-6482
More by this author
Institution:
University of Oxford
Division:
Maths, Physical & Life Sciences
Department:
Materials
More by this author
Institution:
University of Oxford
Division:
Maths, Physical & Life Sciences
Department:
Materials
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Funding agency for:
Warner, JH
Chemical Imaging Initiative More from this funder
Publisher:
American Chemical Society Publisher's website
Journal:
ACS Nano Journal website
Volume:
11
Issue:
9
Pages:
9435-9444
Publication date:
2017-08-22
Acceptance date:
2017-08-22
DOI:
EISSN:
1936-086X
ISSN:
1936-0851
Pubs id:
pubs:724533
URN:
uri:a6de24d0-742c-4dc9-8873-ad0e1cb39163
UUID:
uuid:a6de24d0-742c-4dc9-8873-ad0e1cb39163
Local pid:
pubs:724533
Language:
English
Keywords:

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