Regensburg 2007 – scientific programme

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MA: Fachverband Magnetismus

MA 3: Magnetic Materials I

MA 3.6: Talk

Monday, March 26, 2007, 11:30–11:45, H22

Bulk sensitive photo emission spectroscopy of C1_b compounds — •Benjamin Balke¹, Gerhard H. Fecher¹, Andrei Gloskovskii¹, Joachim Barth¹, Claudia Felser¹, Franz Schäfers², Marcel Mertin², Wolfgang Eberhardt², Sven Mähl³, and Oliver Schaff³ — ¹Institut für Anorganische Chemie und Analytische Chemie, Johannes Gutenberg - Universität Mainz, Germany — ²BESSY GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany — ³SPECS GmbH, Voltastraße 5, 13355 Berlin, Germany

This work reports about bulk-sensitive, high energy photoelectron spectroscopy from the valence band of CoTiSb excited by photons from 1.2 to 5 keV energy. The high energy photoelectron spectra were taken at the KMC-1 high energy beamline of BESSY II employing the recently developed Phoibos 225 HV analyser. The measurements show a good agreement to calculations of the electronic structure using the LDA scheme. It is shown that the high energy spectra reveal the bulk electronic structure better compared to low energy XPS spectra.