Physics – Condensed Matter – Superconductivity
Scientific paper
2012-04-25
Physics
Condensed Matter
Superconductivity
accepted in PRB
Scientific paper
Small angle neutron scattering (SANS) is an historical technique to study the flux lines lattice (FLL) in a superconductor. Structural characteristics of the FLL can be revealed, providing fundamental information for the physics of vortex lattice. However, the spatial resolution is limited and all the correlation lengths of order are difficult to extract with precision. We show here that a time of flight technique reveals the Bragg peak of the FLL, and also its translational order with a better resolution. We discuss the implication of these results for pinning mechanisms in a Niobium sample.
Brulet Annie
Mathieu Patrice
Pautrat Alain
Simon Charles
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