Soft X-Ray Absorption And Emission Spectra And The Electronic Structure Of Some Exotic Materials

D L Ederer; L R Canfield; T A Callcott; K L Tsang; C H Zhang; E T Arakawa

doi:10.1117/12.945479

11 July 1988 Soft X-Ray Absorption And Emission Spectra And The Electronic Structure Of Some Exotic Materials

D L Ederer, L R Canfield, T A Callcott, K L Tsang, C H Zhang, E T Arakawa

Proceedings Volume 0911, X-Ray and Vacuum Ultraviolet Interaction Data Bases, Calculations, and Measurements; (1988) https://doi.org/10.1117/12.945479
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

The technique of soft x-ray fluorescence spectroscopy (SXE) is complimentary to that of photoemission spectroscopy (PES). SXE probes the local partial density of states (PDOS), selects dipole allowed symmetries, and is not necessarily surface sensitive. PES on the other hand, averages over the DOS and can be used to measure the dispersion of the energy bands. PES is also very surface sensitive. We present measurements on the high Tc superconductors, the quasicrystalline phase of A1Mn, and the LiAl intermetallic alloy. These measurements provide insight for theoretical modeling. In the case of the high Tc compound and the intermetallic compound the measurements are in good agreement with the theory. However, for the quasicrystals the measurements provide new insights to challenge theory.

Citation Download Citation

D L Ederer, L R Canfield, T A Callcott, K L Tsang, C H Zhang, and E T Arakawa "Soft X-Ray Absorption And Emission Spectra And The Electronic Structure Of Some Exotic Materials", Proc. SPIE 0911, X-Ray and Vacuum Ultraviolet Interaction Data Bases, Calculations, and Measurements, (11 July 1988); https://doi.org/10.1117/12.945479

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