J R Kirtley et al 1999 J. Phys.: Condens. Matter 11 2007 doi:10.1088/0953-8984/11/8/013
J R Kirtley
, K A Moler
, J A Schlueter§ and J M Williams§
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
show regions of inhomogeneous coupling as well as trapped interlayer Josephson vortices. Quantitative modelling of individual isolated vortices indicates an interlayer penetration depth
. Previous bulk measurements that indicated a weaker interlayer coupling may have been dominated by inhomogeneities.
74.50.+r Tunneling phenomena; point contacts, weak links, Josephson effects
Issue 8 (1 March 1999)
Received 20 November 1998
J R Kirtley et al 1999 J. Phys.: Condens. Matter 11 2007
superconductor
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