HIGHLIGHTS
- who: Hans He from the (UNIVERSITY) have published the article: Accurate graphene quantum Hall arrays for the new International System of Units, in the Journal: (JOURNAL)
- what: The authors propose that direct comparisons between two QHAs, based on established QHE universality tests3,32,33, is a precise and reliable method to test the quantization for routine measurements, serving a similar purpose as measuring RXX and contact resistance for individual HBs. Using thermal annealing at 160 u00b0C to tune the carrier density, the authors aimed to achieve a carrier density on the order of 1011 cm . . .
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