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Implantation length and thermal stability of interstitial Ar atoms in Boron Nitride Nanotents


Cun, Huanyao; Iannuzzi, Marcella; Hemmi, Adrian; Osterwalder, Jürg; Greber, Thomas (2014). Implantation length and thermal stability of interstitial Ar atoms in Boron Nitride Nanotents. ACS Nano, 8(1):1014-1021.

Abstract

Hyperthermal atoms may be implanted beneath single layers of graphene or hexagonal boron nitride (h-BN) on a substrate. For the case of h-BN on rhodium, which is a corrugated honeycomb superstructure with a periodicity of 3.2 nm, Ar atoms are implanted at distinct interstitial sites within the supercell, where the h-BN is weakly bound to the substrate. These peculiar structures are reminiscent of “nanotents” with an ultimately thin “rainfly”. Here we explore the implantation length (i.e., the distance the atoms move before they come to rest as interstitial defects) and the thermal stability of these atomic agglomerates above room temperature. The results are obtained by variable-temperature scanning tunneling microscopy and density functional theory calculations.

Hyperthermal atoms may be implanted beneath single layers of graphene or hexagonal boron nitride (h-BN) on a substrate. For the case of h-BN on rhodium, which is a corrugated honeycomb superstructure with a periodicity of 3.2 nm, Ar atoms are implanted at distinct interstitial sites within the supercell, where the h-BN is weakly bound to the substrate. These peculiar structures are reminiscent of “nanotents” with an ultimately thin “rainfly”. Here we explore the implantation length (i.e., the distance the atoms move before they come to rest as interstitial defects) and the thermal stability of these atomic agglomerates above room temperature. The results are obtained by variable-temperature scanning tunneling microscopy and density functional theory calculations.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2014
Deposited On:23 Jan 2015 13:58
Last Modified:26 Apr 2016 10:08
Publisher:American Chemical Society (ACS)
ISSN:1936-0851
Publisher DOI:https://doi.org/10.1021/nn405907a
Permanent URL: https://doi.org/10.5167/uzh-106547

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