Dresden 2009 – scientific programme

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MA: Fachverband Magnetismus

MA 14: Poster Ib: Magnetic Materials (1-14); Micro Magnetism/Computational Mag. (15-17); Surface Magnetism (18-22); Spin Structures/Phase Transitions (23-25)

MA 14.10: Poster

Tuesday, March 24, 2009, 10:15–13:00, P1B

Hard X-ray photoelectron spectroscopy of Heusler materials — •Andrei Gloskovskii, Siham Ouardi, Xeniya Kozina, Gregory Stryganyuk, Gerhard H. Fecher, and Claudia Felser — Institute of Inorganic and Analytical Chemistry, Johannes Gutenberg - University, 55099 Mainz

Hard X-Ray photoemission spectroscopy (HAXPES) is an unique technique that makes feasible studies of the electronic properties of deeply buried layers. If needed, the surface sensitivity of the conventional XPS can be reached in HAXPES by changing the experiment geometry. This work reports on the HAXPES of Heusler thin films and bulk materials. The experiments were performed at the beamlines BL15XU and BL47XU of SPring-8. The maximal thickness of the insulating layer that is still transparent for the photoemission signal from underlying layer was estimated experimentally for different insulating materials.

This work is supported by the DFG (project P7 in research unit FOR 559) by BMBF 05KS7UM1 and by JST-DfG (Project FE 633/6-1).