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Effective mechanical properties of multilayer nano-heterostructures

T. Mukhopadhyay, A. Mahata, Sondipon Adhikari, M. Asle Zaeem

Scientific Reports, Volume: 7, Start page: 15818

Swansea University Author: Sondipon Adhikari

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DOI (Published version): 10.1038/s41598-017-15664-3

Abstract

Two-dimensional and quasi-two-dimensional materials are important nanostructures because of their exciting electronic, optical, thermal, chemical and mechanical properties. However, a single-layer nanomaterial may not possess a particular property adequately, or multiple desired properties simultane...

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Published in: Scientific Reports
ISSN: 2045-2322
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa36821
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first_indexed 2017-11-17T20:15:02Z
last_indexed 2020-12-10T03:49:54Z
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spelling 2020-12-09T15:43:19.1883272 v2 36821 2017-11-17 Effective mechanical properties of multilayer nano-heterostructures 4ea84d67c4e414f5ccbd7593a40f04d3 Sondipon Adhikari Sondipon Adhikari true false 2017-11-17 FGSEN Two-dimensional and quasi-two-dimensional materials are important nanostructures because of their exciting electronic, optical, thermal, chemical and mechanical properties. However, a single-layer nanomaterial may not possess a particular property adequately, or multiple desired properties simultaneously. Recently a new trend has emerged to develop nano-heterostructures by assembling multiple monolayers of different nanostructures to achieve various tunable desired properties simultaneously. For example, transition metal dichalcogenides such as MoS2 show promising electronic and piezoelectric properties, but their low mechanical strength is a constraint for practical applications. This barrier can be mitigated by considering graphene-MoS2 heterostructure, as graphene possesses strong mechanical properties. We have developed efficient closed-form expressions for the equivalent elastic properties of such multi-layer hexagonal nano-hetrostructures. Based on these physics-based analytical formulae, mechanical properties are investigated for different heterostructures such as graphene-MoS2, graphene-hBN, graphene-stanene and stanene-MoS2. The proposed formulae will enable efficient characterization of mechanical properties in developing a wide range of application-specific nano-heterostructures. Journal Article Scientific Reports 7 15818 2045-2322 Aerospace engineering, Mechanical properties, Two-dimensional materials 17 11 2017 2017-11-17 10.1038/s41598-017-15664-3 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University RCUK, EP/K003836/1 2020-12-09T15:43:19.1883272 2017-11-17T13:32:47.6320620 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised T. Mukhopadhyay 1 A. Mahata 2 Sondipon Adhikari 3 M. Asle Zaeem 4 0036821-17112017133513.pdf mukhopadhyay2017(3).pdf 2017-11-17T13:35:13.5870000 Output 5065679 application/pdf Version of Record true 2017-11-17T00:00:00.0000000 Released under the terms of a Creative Commons Attribution 4.0 International License. true eng
title Effective mechanical properties of multilayer nano-heterostructures
spellingShingle Effective mechanical properties of multilayer nano-heterostructures
Sondipon Adhikari
title_short Effective mechanical properties of multilayer nano-heterostructures
title_full Effective mechanical properties of multilayer nano-heterostructures
title_fullStr Effective mechanical properties of multilayer nano-heterostructures
title_full_unstemmed Effective mechanical properties of multilayer nano-heterostructures
title_sort Effective mechanical properties of multilayer nano-heterostructures
author_id_str_mv 4ea84d67c4e414f5ccbd7593a40f04d3
author_id_fullname_str_mv 4ea84d67c4e414f5ccbd7593a40f04d3_***_Sondipon Adhikari
author Sondipon Adhikari
author2 T. Mukhopadhyay
A. Mahata
Sondipon Adhikari
M. Asle Zaeem
format Journal article
container_title Scientific Reports
container_volume 7
container_start_page 15818
publishDate 2017
institution Swansea University
issn 2045-2322
doi_str_mv 10.1038/s41598-017-15664-3
college_str Faculty of Science and Engineering
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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
document_store_str 1
active_str 0
description Two-dimensional and quasi-two-dimensional materials are important nanostructures because of their exciting electronic, optical, thermal, chemical and mechanical properties. However, a single-layer nanomaterial may not possess a particular property adequately, or multiple desired properties simultaneously. Recently a new trend has emerged to develop nano-heterostructures by assembling multiple monolayers of different nanostructures to achieve various tunable desired properties simultaneously. For example, transition metal dichalcogenides such as MoS2 show promising electronic and piezoelectric properties, but their low mechanical strength is a constraint for practical applications. This barrier can be mitigated by considering graphene-MoS2 heterostructure, as graphene possesses strong mechanical properties. We have developed efficient closed-form expressions for the equivalent elastic properties of such multi-layer hexagonal nano-hetrostructures. Based on these physics-based analytical formulae, mechanical properties are investigated for different heterostructures such as graphene-MoS2, graphene-hBN, graphene-stanene and stanene-MoS2. The proposed formulae will enable efficient characterization of mechanical properties in developing a wide range of application-specific nano-heterostructures.
published_date 2017-11-17T03:46:10Z
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score 11.037056

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