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Vibration of Piezoelectric ZnO-SWCNT Nanowires

Yao Xiao, Chengyuan Wang Orcid Logo, Yuantian Feng, Yuntian Feng Orcid Logo

Nanomaterials, Volume: 6, Issue: 12, Start page: 242

Swansea University Authors: Chengyuan Wang Orcid Logo, Yuntian Feng Orcid Logo

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DOI (Published version): 10.3390/nano6120242

Abstract

A hybrid nanowire (HNW) was constructed by coating a single-wall carbon nanotube (SWCNT) with piezoelectric zinc oxide (ZnO). The two components of the HNW interact with each other via the van der Waals (vdW) force. This paper aims to study the effect of the piezoelectricity in the ZnO layer and the...

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Published in: Nanomaterials
ISSN: 2079-4991
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa31382
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spelling 2017-07-07T15:23:19.9541296 v2 31382 2016-12-08 Vibration of Piezoelectric ZnO-SWCNT Nanowires fdea93ab99f51d0b3921d3601876c1e5 0000-0002-1001-2537 Chengyuan Wang Chengyuan Wang true false d66794f9c1357969a5badf654f960275 0000-0002-6396-8698 Yuntian Feng Yuntian Feng true false 2016-12-08 MECH A hybrid nanowire (HNW) was constructed by coating a single-wall carbon nanotube (SWCNT) with piezoelectric zinc oxide (ZnO). The two components of the HNW interact with each other via the van der Waals (vdW) force. This paper aims to study the effect of the piezoelectricity in the ZnO layer and the inter-phase vdW interaction on the fundamental vibration of the HNWs. In doing this, a new model was developed where the two components of the HNWs were modeled as Euler beams coupled via the interphase vdW interaction. Based on the model, the dependence of the frequency on an applied electrical voltage was calculated for HNWs of different geometric sizes to reveal the voltage effect. The results were then compared with those calculated without considering the inter-phase vdW interaction. It was found that the interphase vdW interaction can substantially decrease the structural stiffness, leading to a greatly enhanced piezoelectric effect but a lower frequency for the vibration of the HNWs. Journal Article Nanomaterials 6 12 242 2079-4991 15 12 2016 2016-12-15 10.3390/nano6120242 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2017-07-07T15:23:19.9541296 2016-12-08T09:18:23.8751697 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Yao Xiao 1 Chengyuan Wang 0000-0002-1001-2537 2 Yuantian Feng 3 Yuntian Feng 0000-0002-6396-8698 4 0031382-06012017151957.pdf xiao2016(2).pdf 2017-01-06T15:19:57.4770000 Output 1820955 application/pdf Version of Record true 2017-01-06T00:00:00.0000000 false
title Vibration of Piezoelectric ZnO-SWCNT Nanowires
spellingShingle Vibration of Piezoelectric ZnO-SWCNT Nanowires
Chengyuan Wang
Yuntian Feng
title_short Vibration of Piezoelectric ZnO-SWCNT Nanowires
title_full Vibration of Piezoelectric ZnO-SWCNT Nanowires
title_fullStr Vibration of Piezoelectric ZnO-SWCNT Nanowires
title_full_unstemmed Vibration of Piezoelectric ZnO-SWCNT Nanowires
title_sort Vibration of Piezoelectric ZnO-SWCNT Nanowires
author_id_str_mv fdea93ab99f51d0b3921d3601876c1e5
d66794f9c1357969a5badf654f960275
author_id_fullname_str_mv fdea93ab99f51d0b3921d3601876c1e5_***_Chengyuan Wang
d66794f9c1357969a5badf654f960275_***_Yuntian Feng
author Chengyuan Wang
Yuntian Feng
author2 Yao Xiao
Chengyuan Wang
Yuantian Feng
Yuntian Feng
format Journal article
container_title Nanomaterials
container_volume 6
container_issue 12
container_start_page 242
publishDate 2016
institution Swansea University
issn 2079-4991
doi_str_mv 10.3390/nano6120242
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 Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering
document_store_str 1
active_str 0
description A hybrid nanowire (HNW) was constructed by coating a single-wall carbon nanotube (SWCNT) with piezoelectric zinc oxide (ZnO). The two components of the HNW interact with each other via the van der Waals (vdW) force. This paper aims to study the effect of the piezoelectricity in the ZnO layer and the inter-phase vdW interaction on the fundamental vibration of the HNWs. In doing this, a new model was developed where the two components of the HNWs were modeled as Euler beams coupled via the interphase vdW interaction. Based on the model, the dependence of the frequency on an applied electrical voltage was calculated for HNWs of different geometric sizes to reveal the voltage effect. The results were then compared with those calculated without considering the inter-phase vdW interaction. It was found that the interphase vdW interaction can substantially decrease the structural stiffness, leading to a greatly enhanced piezoelectric effect but a lower frequency for the vibration of the HNWs.
published_date 2016-12-15T03:38:20Z
_version_ 1763751704204935168
score 11.013731

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