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Comment on “Incipient plasticity of diamond during nanoindentation” by C. Xu, C. Liu and H. Wang, RSC Advances, 2017, 7, 36093

Goel, Saurav and Stukowski, Alexander (2018):
Comment on “Incipient plasticity of diamond during nanoindentation” by C. Xu, C. Liu and H. Wang, RSC Advances, 2017, 7, 36093.
In: RSC Advances, pp. 5136-5137, 8, (10), ISSN 2046-2069,
DOI: 10.1039/c7ra12219e,
[Online-Edition: https://doi.org/10.1039/c7ra12219e],
[Article]

Abstract

A recent molecular dynamics simulation study on nanoindentation of diamond carried out by Xu et al. 1 has reported observation of the presence of a controversial hexagonal lonsdaleite phase of carbon in the indentation area. In this comment, we question the reported observation and attribute this anomaly to shortcomings of the long range bond order potential (LCBOP) employed in the nanoindentation study.

Item Type: Article
Erschienen: 2018
Creators: Goel, Saurav and Stukowski, Alexander
Title: Comment on “Incipient plasticity of diamond during nanoindentation” by C. Xu, C. Liu and H. Wang, RSC Advances, 2017, 7, 36093
Language: English
Abstract:

A recent molecular dynamics simulation study on nanoindentation of diamond carried out by Xu et al. 1 has reported observation of the presence of a controversial hexagonal lonsdaleite phase of carbon in the indentation area. In this comment, we question the reported observation and attribute this anomaly to shortcomings of the long range bond order potential (LCBOP) employed in the nanoindentation study.

Journal or Publication Title: RSC Advances
Volume: 8
Number: 10
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Materials Modelling
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 01 Feb 2018 10:18
DOI: 10.1039/c7ra12219e
Official URL: https://doi.org/10.1039/c7ra12219e
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