Journal
PHYSICAL REVIEW B
Volume 95, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.95.165120
Keywords
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Funding
- Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST MISiS [K2-2016-066]
- RFBR [16-02-00522]
- Government of the Russian Federation [02.A03.21.0006, 02.A03.21.0011]
- Russian Science Foundation [16-42-01100]
- Russian Science Foundation [16-42-01100] Funding Source: Russian Science Foundation
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Using the anisotropic electron transport and susceptibility measurements we demonstrate the appearance of inhomogeneous gossamer superconductivity in FeSe single crystals at ambient pressure and at temperature five times higher than its zero resistance T-c. We also find and quantitatively describe a general property: If inhomogeneous superconductivity in a anisotropic conductor first appears in the form of isolated superconducting islands, it reduces electric resistivity anisotropically with maximal effect along the least conducting axis. This gives a simple tool to study inhomogeneous superconductivity in various anisotropic compounds, which helps to investigate the onset of high-temperature superconductivity.
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