Abstract

The quantum Hall effect (QHE), one example of a quantum phenomenon that occurs on a truly macroscopic scale, has attracted intense interest since its discovery in 1980 and has helped elucidate many important aspects of quantum physics. It has also led to the establishment of a new metrological standard, the resistance quantum. Disappointingly, however, the QHE has been observed only at liquid-helium temperatures. We show that in graphene, in a single atomic layer of carbon, the QHE can be measured reliably even at room temperature, which makes possible QHE resistance standards becoming available to a broader community, outside a few national institutions.

Keywords

Quantum Hall effectLiquid heliumGrapheneQuantumCondensed matter physicsPhysicsHeliumNanotechnologyQuantum mechanicsMaterials scienceElectron

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Publication Info

Year
2007
Type
article
Volume
315
Issue
5817
Pages
1379-1379
Citations
3019
Access
Closed

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Cite This

Kostya S. Novoselov, Zhewei Jiang, Y. Zhang et al. (2007). Room-Temperature Quantum Hall Effect in Graphene. Science , 315 (5817) , 1379-1379. https://doi.org/10.1126/science.1137201

Identifiers

DOI
10.1126/science.1137201
PMID
17303717
arXiv
cond-mat/0702408

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Data completeness: 84%