Inhomogeneous interlayer Josephson coupling in k-(BEDT-TTF){sub 2}Cu(NCS){sub 2}.
Journal Article
·
· J. Phys.: Cond. Matter
In a layered superconductor, the interlayer coupling strength determines the spatial variation of the magnetic fields parallel to the layers. Scanning SQUID microscope images of an edge of a single crystal of the layered organic superconductor {kappa}-(BEDT-TTF){sub 2}Cu(NCS){sup 2} show regions of inhomogeneous coupling as well as trapped interlayer Josephson vortices. Quantitative modelling of individual isolated vortices indicates an interlayer penetration depth {lambda}{sub perpendicular} {approx} 60 {mu}m. Previous bulk measurements that indicated a weaker interlayer coupling may have been dominated by inhomogeneities.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 942438
- Report Number(s):
- ANL/CHM/JA-31433
- Journal Information:
- J. Phys.: Cond. Matter, Journal Name: J. Phys.: Cond. Matter Journal Issue: 1999 Vol. 11; ISSN 0953-8984; ISSN JCOMEL
- Country of Publication:
- United States
- Language:
- ENGLISH
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