2016
DOI: 10.1016/j.carbon.2016.06.073
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Wear properties of graphene edges probed by atomic force microscopy based lateral manipulation

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Cited by 50 publications
(46 citation statements)
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“…We observed similar frictional behavior for the CVD as well as for the ME graphene figure (S3-S5). The obtained friction data are in close agreement and with the measurements carried by Vasiƈ et al 19 . The influence of air-borne impurities induced friction is also studied by a separate friction measurement in controlled nitrogen atmosphere complemented with FEM simulation (figure S6).…”
Section: Resultssupporting
confidence: 91%
“…We observed similar frictional behavior for the CVD as well as for the ME graphene figure (S3-S5). The obtained friction data are in close agreement and with the measurements carried by Vasiƈ et al 19 . The influence of air-borne impurities induced friction is also studied by a separate friction measurement in controlled nitrogen atmosphere complemented with FEM simulation (figure S6).…”
Section: Resultssupporting
confidence: 91%
“…After passing the vacancy, the tip feels a large attractive force from the vacancy again. The enhanced frictional force in the vicinity of the vacancy defect is in agreement with that in the previous works about the monovacancy-defective graphene [29,30], and the sharp variations in tip-surface potentials and frictional forces can be attributed to the Schwoebel-Ehrlich barriers [31,32], which have been already observed in the friction at the atomic-scale surface steps of graphene [34][35][36]38] and MoS 2 [37].…”
Section: Resultssupporting
confidence: 91%
“…In the presence of the vacancy defects, the surface state is similar to that of the atomic-scale surface steps. According to previous LFM studies on the monovacancy-defective graphene [29,30] and the stepped surfaces [34][35][36][37][38], there is the Schwoebel-Ehrlich barrier existing in the vicinity of the vacancy defect, and hence the long-range interactions V long are varying, which means a second contribution to the tip-surface interaction potential should be considered. A modified interaction potential V total containing the periodic interaction V int (x t , y t ) between the tip and surface as well as the sharply increasing potential barrier at the vacancy defect site simulating the long-range interaction potential V long is constructed to reflect the tip-surface interaction of the defective graphene and SLMoS 2 with monovacancy defects, which is shown as follows:…”
Section: Simulation Model and Methodsmentioning
confidence: 99%
“…106 For MC SLG, edge wear is known to proceed via wrinkles formation and partial peeling of graphene from the deposition substrate. 106 Wear starts at sufficiently large values of the normal load FN (40 nN), 106 can be virtually probed on any surface and in combination with other co-deposited nanomaterials. This largely expands the number of systems and the phenomenology that might be investigated through AFM nanomanipulation experiments, in analogy with well-established approaches to nanoparticles friction.…”
Section: Spectroscopy Of Normal and Friction Forces On Printed Graphenementioning
confidence: 99%