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Electron propagation from a photo-excited surface: implications for time-resolved photoemission
Shuolong Yang, Jonathan A. Sobota, Patrick S. Kirchmann +1
We perform time- and angle-resolved photoelectron spectroscopy on p-type GaAs(110). We observe an optically excited population in the conduction band, from which the time scales of…
Direct Optical Coupling to an Unoccupied Dirac Surface State in the Topological Insulator BiSe
Jonathan A. Sobota, Shuolong Yang, Alexander F. Kemper +9
We characterize the occupied and unoccupied electronic structure of the topological insulator BiSe by one-photon and two-photon angle-resolved photoemission spectroscopy an…
Electronic Structure of the Metallic Antiferromagnet PdCrO Measured by Angle-Resolved Photoemission Spectroscopy
Jonathan A. Sobota, Kyoo Kim, Hiroshi Takatsu +8
PdCrO is material which has attracted interest due to the coexistence of metallic conductivity associated with itinerant Pd 4d electrons and antiferromagnetic order arising fro…