期刊
NEW JOURNAL OF PHYSICS
卷 15, 期 -, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1367-2630/15/2/023024
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资金
- Deutsche Forschungsgemeinschaft [DFG ES 86/16-1]
- ESF-Nano under the Graduate School of Natural Sciences 'BuildMona'
Transport properties of a few hundreds of nanometers thick (in the graphene plane direction) lamellae of highly oriented pyrolytic graphite (HOPG) have been investigated. Current-voltage characteristics as well as the temperature dependence of the voltage at different fixed input currents provide evidence for Josephson-coupled superconducting regions embedded in the internal two-dimensional interfaces of HOPG, reaching zero resistance at low enough temperatures.
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