Journal
SUPERCONDUCTOR SCIENCE & TECHNOLOGY
Volume 34, Issue 3, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6668/ab9204
Keywords
graphene; graphite; Nernst effect; superconductivity; vortices
Categories
Funding
- United States Air Force [FA9550-15-2-0084]
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Phenomena consistent with mixed-state superconductivity have been observed in phosphorus-doped graphene films at temperatures as high as 260K. Evidence of vortices and flux flow in the mixed state was presented through well-defined Nernst peaks.
We have observed phenomena in phosphorus-doped graphene films consistent with mixed-state superconductivity at temperatures as high as 260 K. This evidence includes transport, susceptibility and Nernst/Hall measurements as a function of the thermal gradient. This paper presents evidence of vortices and flux flow in the mixed state of phosphorus-doped graphene samples in the form of well-defined Nernst peaks being measurable up to 260 K.
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