JPS Conf. Proc. 30, 011079 (2020) [6 pages]
Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019)
Electronic States of LaAuSb2 Studied by Soft X-Ray ARPES
1Department of Physical Sciences, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan
2Japan Synchrotron Radiation Research Institute (JASRI), Sayo, Hyogo 679-5198, Japan
3Tokyo Medical University, Shinjuku, Tokyo 160-8402, Japan
Received September 17, 2019

Electronic band structure of LaAuSb2, which shows charge density wave (CDW) transition, is studied above the CDW transition temperature by means of soft X-ray angle resolved photoemission and the result was compared with the band structure calculation. Inner potential was estimated as 25 eV based on the photon energy dependence of the ARPES result. Resonance enhancement of La 4f component in the occupied bands has been found the La 3d → 4f photoabsorption edge. Experimentally found dispersions at least partially agreed with the band structure calculation.

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