Core level spectroscopy: XPS, XAS, EELS, XES (XSPEC ... - WIEN 2k

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• “ground-state” DOS Ca-L 23 edge in CaF 2 • “core-hole” calc.(ratio 2:1) • BSE for L 2 and L 3 separately • experiment • BSE with p 1/2 and p 3/2 together • BSE without direct term H eh dir • BSE without exchange term H eh x
L 2,3 edge for Ca in CaF 2 L 3 L 2 Decomposition of є 2 into the excitation from p 1/2 and p 3/2 states cross terms suppress the L 3 branch and enhance L 2
Page 1 and 2: Core level spectroscopy: XPS, XAS,
Page 3 and 4: XAS (XANES), EELS (ELNES), XES: •
Page 5 and 6: Difference between EELS and XAS
Page 7 and 8: dipole approximation (TELNES3 can a
Page 9 and 10: Treating the core hole within WIEN2
Page 11 and 12: XAS / TELNES in WIEN2k define your
Page 13 and 14: TELNES3 task
Page 15 and 16: • aaa Angle dependency of B-K edg
Page 17 and 18: L 2,3 spectra: failure of the singl
Page 19: fully relativistic electron-hole in
Page 23 and 24: Ti L 2,3 in SrTiO 3 , decomposition
Page 25 and 26: fcc Ca, L 2,3 edge L 3 L 2 L 2 L 3

Core level spectroscopy: XPS, XAS, EELS, XES (XSPEC ... - WIEN 2k

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