High energy, high resolution photoelectron spectroscopy of Co2Mn1−xFexSi

Fecher, Gerhard H.; Balke, Benjamin; Ouardi, Siham; Felser, Claudia; Schönhense, Gerd; Ikenaga, Eiji; Kim, Jung-Jin; Ueda, Shigenori; Kobayashi, Keisuke

doi:10.1088/0022-3727/40/6/S11

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High energy, high resolution photoelectron spectroscopy of Co₂Mn_1−xFe_xSi

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Citation

Fecher, G. H., Balke, B., Ouardi, S., Felser, C., Schönhense, G., Ikenaga, E., et al. (2007). High energy, high resolution photoelectron spectroscopy of Co₂Mn_1−xFe_xSi. Journal of Physics D: Applied Physics, 40(6), 1576-1581. doi:10.1088/0022-3727/40/6/S11.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-8525-5

Abstract

This work reports on high resolution photoelectron spectroscopy for the valence band of Co2Mn1−xFexSi (x= 0, 0.5, 1) excited by photons of about 8 keV energy. The measurements show a good agreement to calculations of the electronic structure using the LDA+U scheme. It is shown that the high energy spectra reveal the bulk electronic structure better compared to low energy XPS spectra. The high resolution measurements of the valence band close to the Fermi energy indicate the existence of the gap in the minority states for all three alloys.