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Observation of supercurrent in PbIn-graphene-PbIn Josephson junction
- Issue Date
- 2-3월-2011
- Publisher
- AMER PHYSICAL SOC
- Keywords
- Graphene; Josephson junciton; quantum interference
- Citation
- PHYSICAL REVIEW B, v.83, no.9
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW B
- Volume
- 83
- Number
- 9
- ISSN
- 1098-0121
- Abstract
- Superconductor-graphene-superconductor (SGS) junction provides a unique platform to study relativistic electrodynamics of Dirac fermions in graphene combined with proximity-induced superconductivity. We report the observation of the Josephson effect in proximity-coupled superconducting junctions of graphene in contact with Pb1-xInx (x = 0.07) electrodes for temperatures as high as T = 4.8 K, with a large value of IcRN (similar to 255 mu V). This demonstrates that Pb1-xInx SGS junction would facilitate the development of the superconducting quantum information devices and superconductor-enhanced phase-coherent transport of graphene.
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Collections - Graduate School > Department of Applied Physics > 1. Journal Articles
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