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Controlling the Electrical Transport Properties of Nanocontacts to Nanowires

Alex Lord Orcid Logo, Thierry Maffeis Orcid Logo, Olga Kryvchenkova, Richard Cobley Orcid Logo, Karol Kalna Orcid Logo, Despoina M. Kepaptsoglou, Quentin M. Ramasse, Alex S. Walton, Michael B. Ward, Jürgen Köble, Steve Wilks

Nano Letters, Volume: 15, Issue: 7, Pages: 4248 - 4254

Swansea University Authors: Alex Lord Orcid Logo, Thierry Maffeis Orcid Logo, Richard Cobley Orcid Logo, Karol Kalna Orcid Logo, Steve Wilks

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DOI (Published version): 10.1021/nl503743t

Abstract

The work shows that electrical behaviour of nanocontacts between free-standing ZnO nanowires and catalytic Au particle used for their growth can switch from Schottky to Ohmic depending on the size of the Au particles in relation to a cross-sectional width of the nanowires. This change in transport b...

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Published in: Nano Letters
ISSN: 1530-6984 1530-6992
Published: 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa22729
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spelling 2020-12-09T16:20:50.3350254 v2 22729 2015-07-29 Controlling the Electrical Transport Properties of Nanocontacts to Nanowires d547bad707e12f5a9f12d4fcbeea87ed 0000-0002-6258-2187 Alex Lord Alex Lord true false 992eb4cb18b61c0cd3da6e0215ac787c 0000-0003-2357-0092 Thierry Maffeis Thierry Maffeis true false 2ce7e1dd9006164425415a35fa452494 0000-0003-4833-8492 Richard Cobley Richard Cobley true false 1329a42020e44fdd13de2f20d5143253 0000-0002-6333-9189 Karol Kalna Karol Kalna true false 948a547e27d969b7e192b4620688704d Steve Wilks Steve Wilks true false 2015-07-29 EEN The work shows that electrical behaviour of nanocontacts between free-standing ZnO nanowires and catalytic Au particle used for their growth can switch from Schottky to Ohmic depending on the size of the Au particles in relation to a cross-sectional width of the nanowires. This change in transport behaviour occurs at a nanowire diameter ratio of 0.6. The current–voltage electrical measurements with multiprobe instrument are explained using 3-D self-consistent transport simulations revealing that tunnelling at the contact edge is dominant carrier transport mechanism. The work resulted in 2 more papers in Nanoletters, and ACS Appl. Mater. & Interfaces. Journal Article Nano Letters 15 7 4248 4254 1530-6984 1530-6992 Electrical contacts, nanowires, edge effect, tunneling, Ohmic, Schottky 8 7 2015 2015-07-08 10.1021/nl503743t http://pubs.acs.org/doi/abs/10.1021/nl503743t This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/nl503743t. COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University Swansea University 2020-12-09T16:20:50.3350254 2015-07-29T18:49:26.9405079 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Alex Lord 0000-0002-6258-2187 1 Thierry Maffeis 0000-0003-2357-0092 2 Olga Kryvchenkova 3 Richard Cobley 0000-0003-4833-8492 4 Karol Kalna 0000-0002-6333-9189 5 Despoina M. Kepaptsoglou 6 Quentin M. Ramasse 7 Alex S. Walton 8 Michael B. Ward 9 Jürgen Köble 10 Steve Wilks 11 0022729-1011201692714AM.pdf lord2016.pdf 2016-10-11T09:27:14.2030000 Output 2904757 application/pdf Version of Record true 2016-11-10T00:00:00.0000000 false
title Controlling the Electrical Transport Properties of Nanocontacts to Nanowires
spellingShingle Controlling the Electrical Transport Properties of Nanocontacts to Nanowires
Alex Lord
Thierry Maffeis
Richard Cobley
Karol Kalna
Steve Wilks
title_short Controlling the Electrical Transport Properties of Nanocontacts to Nanowires
title_full Controlling the Electrical Transport Properties of Nanocontacts to Nanowires
title_fullStr Controlling the Electrical Transport Properties of Nanocontacts to Nanowires
title_full_unstemmed Controlling the Electrical Transport Properties of Nanocontacts to Nanowires
title_sort Controlling the Electrical Transport Properties of Nanocontacts to Nanowires
author_id_str_mv d547bad707e12f5a9f12d4fcbeea87ed
992eb4cb18b61c0cd3da6e0215ac787c
2ce7e1dd9006164425415a35fa452494
1329a42020e44fdd13de2f20d5143253
948a547e27d969b7e192b4620688704d
author_id_fullname_str_mv d547bad707e12f5a9f12d4fcbeea87ed_***_Alex Lord
992eb4cb18b61c0cd3da6e0215ac787c_***_Thierry Maffeis
2ce7e1dd9006164425415a35fa452494_***_Richard Cobley
1329a42020e44fdd13de2f20d5143253_***_Karol Kalna
948a547e27d969b7e192b4620688704d_***_Steve Wilks
author Alex Lord
Thierry Maffeis
Richard Cobley
Karol Kalna
Steve Wilks
author2 Alex Lord
Thierry Maffeis
Olga Kryvchenkova
Richard Cobley
Karol Kalna
Despoina M. Kepaptsoglou
Quentin M. Ramasse
Alex S. Walton
Michael B. Ward
Jürgen Köble
Steve Wilks
format Journal article
container_title Nano Letters
container_volume 15
container_issue 7
container_start_page 4248
publishDate 2015
institution Swansea University
issn 1530-6984
1530-6992
doi_str_mv 10.1021/nl503743t
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
url http://pubs.acs.org/doi/abs/10.1021/nl503743t
document_store_str 1
active_str 0
description The work shows that electrical behaviour of nanocontacts between free-standing ZnO nanowires and catalytic Au particle used for their growth can switch from Schottky to Ohmic depending on the size of the Au particles in relation to a cross-sectional width of the nanowires. This change in transport behaviour occurs at a nanowire diameter ratio of 0.6. The current–voltage electrical measurements with multiprobe instrument are explained using 3-D self-consistent transport simulations revealing that tunnelling at the contact edge is dominant carrier transport mechanism. The work resulted in 2 more papers in Nanoletters, and ACS Appl. Mater. & Interfaces.
published_date 2015-07-08T03:26:55Z
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score 11.021648

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