期刊
PHYSICAL REVIEW B
卷 81, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.161402
关键词
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资金
- MEC (Spain) [FIS2008-00124]
- CONSOLIDER [CSD2007-00010,]
- Comunidad de Madrid, through CITECNOMIK
- European Commission [MEXT-CT-2005-023778]
- NSF [DMR-0706654]
Graphene membranes suspended off electric contacts or other rigid supports are prone to elastic strain, which is concentrated at the edges and corners of the samples. Such a strain leads to an algebraically varying effective magnetic field that can reach a few Tesla in submicron wide flakes. In the quantum Hall regime the interplay of the effective and the physical magnetic fields causes backscattering of the chiral edge channels, which can destroy the quantized conductance plateaus.
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