The first sample of suspended graphene rigged for 4 terminal measurement, built by Xu Du and Anthony Barker. A band of graphene clings to the bottom of gold electrodes (white) over a pit etched out with acid, forming a 1-atom thick bridge.
The first sample of suspended graphene rigged for 4 terminal measurement, built by Xu Du and Anthony Barker. A band of graphene clings to the bottom of gold electrodes (white) over a pit etched out with acid, forming a 1-atom thick bridge.