Abstract
In this work we present precision measurements of the integer quantum Hall effect in exfoliated graphene on GaAs substrate. In a relatively large graphene Hall bar area (150 μm long and 30 μm wide) dissipationless quantum Hall state was maintained up to about 10 μA and Hall resistance revealed plateau quantization with an accuracy of a few parts per billion. This demonstrates the perspectives for exfoliated graphene devices in quantum electrical resistance metrology.
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