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Research by Shanghai Institute of Microsystem and Information Technology, CAS, Unveils Size-Dependent Impact of Carrier Concentration in Graphene
2025-11-18 /
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Author：小编
A research team hailing from the Shanghai Institute of Microsystem and Information Technology, which is part of the Chinese Academy of Sciences, has made a groundbreaking discovery. They found that the carrier density in graphene Hall devices exhibits a variation dependent on the channel width. Specifically, when the channel width is around 360 μm, it represents an optimal equilibrium point. Leveraging this finding, the team successfully fabricated a quantum resistance array with a resistance value of 8.604 kΩ.
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