188 citations · 1k across the 23 of their papers we have counts for
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cond-mat.mes-hall2015★ 89 cited
Validation of a quantized-current source with 0.2 ppm uncertainty
Friederike Stein, Dietmar Drung, Lukas Fricke +11
We report on high-accuracy measurements of quantized current, sourced by a tunable-barrier single-electron pump at frequencies up to GHz. The measurements were performed wi…
cond-mat.mes-hall2015★ 39 cited
Epitaxial graphene on SiC: Modification of structural and electron transport properties by substrate pretreatment
Mattias Kruskopf, Klaus Pierz, Stefan Wundrack +8
The electrical transport properties of epitaxial graphene layers are correlated with the SiC surface morphology. In this study we show by atomic force microscopy and Raman measurem…