Levitated ~200 nm Au particles in a quadrupole ion trap acquire a carbon barrier under repeated 532 nm laser pulsing in vacuum, increasing mass independently of added carbon-gas pressures and consistent with graphene growth from a hypothesized rare surface catalyst.
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cond-mat.mes-hall 2years
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A fabrication process for Au and Au/graphene platelets achieving 30% yield and intact bilayers for levitation experiments.
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Carbon encapsulation of levitated Au nanoparticles
Levitated ~200 nm Au particles in a quadrupole ion trap acquire a carbon barrier under repeated 532 nm laser pulsing in vacuum, increasing mass independently of added carbon-gas pressures and consistent with graphene growth from a hypothesized rare surface catalyst.
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Microfabricated Au and Au/graphene bilayer platelets for levitation experiments
A fabrication process for Au and Au/graphene platelets achieving 30% yield and intact bilayers for levitation experiments.