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Mechanical properties of nanosheets and nanotubes investigated using a new geometry independent volume definition.

Wagner, P, Ivanovskaya, VV, Rayson, MJ, Briddon, PR and Ewels, CP (2013) Mechanical properties of nanosheets and nanotubes investigated using a new geometry independent volume definition. J Phys Condens Matter, 25 (15).

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Abstract

Cross-sectional area and volume become difficult to define as material dimensions approach the atomic scale. This limits the transferability of macroscopic concepts such as Young's modulus. We propose a new volume definition where the enclosed nanosheet or nanotube average electron density matches that of the parent layered bulk material. We calculate the Young's moduli for various nanosheets (including graphene, BN and MoS2) and nanotubes. Further implications of this new volume definition such as a Fermi level dependent Young's modulus and out-of-plane Poisson's ratio are shown.

Item Type: Article
Authors :
NameEmailORCID
Wagner, PUNSPECIFIEDUNSPECIFIED
Ivanovskaya, VVUNSPECIFIEDUNSPECIFIED
Rayson, MJm.j.rayson@surrey.ac.ukUNSPECIFIED
Briddon, PRUNSPECIFIEDUNSPECIFIED
Ewels, CPUNSPECIFIEDUNSPECIFIED
Date : 17 April 2013
Identification Number : https://doi.org/10.1088/0953-8984/25/15/155302
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:03
Last Modified : 17 May 2017 13:03
URI: http://epubs.surrey.ac.uk/id/eprint/837745

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