University of Birmingham > Talks@bham > Condensed Matter Physics Seminars > Superconducting gap inhomogeneity and pseudogaps in iron pnictides

Superconducting gap inhomogeneity and pseudogaps in iron pnictides

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  • UserProf. Mark Golden, University of Amsterdam
  • ClockFriday 06 May 2011, 15:00-16:00
  • HousePhysics East 217.

If you have a question about this talk, please contact Elizabeth Blackburn.

The pnictide superconductors continue to attract much interest in the physics community. The Dallas APS March meeting there were more pnictide sessions that topological insulator sessions, only cuprate HTS Cs scoring higher. In this talk, I’ll present recent experimental data dealing with the electronic structure of these new members of the unconventional superconductor family, with a particular focus on nanoscale measurements of the spatial variation of the superconducting gap in both Co-doped and P substituted BaFe2As2 systems using UHV STM . I’ll also show that the Co-doped Ba122 pnictides are pseudogapless.

This research was carried out in collaboration: Y. Huang, S. de Jong, F. Massee, R. Huisman, J. J. Kaas, E. van Heumen, A. de Visser, J.B. Goedkoop, J. Fink, S. Thurupathaih, R. Ovsyannikov, R. Follath, M. Gorgoi, F. Schäfers, H. A. Dürr, L. Patthey, M. Shi, C. Felser, S. Dastjani Farahani, M. Rotter, D. Johrendt, A. Gloskovskii, Y.Z. Zhang. H.O. Jeschke, R. Valenti, H.S. Jeevan, P. Gegenwwart, A. Erb. Support from FOM and EU (access to large scale facilities via I3) is acknowledged.

This talk is part of the Condensed Matter Physics Seminars series.

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