Core Level and Valence Band Study of LaO${}_{0.9}$F${}_{0.1}$FeAs

D. R. Garcia, C. Jozwiak, C. G. Hwang +8

Using angle-integrated photoemission spectroscopy we have probed the novel LaO${}_{0.9}$F${}_{0.1}$FeAs superconductor over a wide range of photon energies and temperatures. We have pr…