Hi Robert Thank you for that reference, too!
Should I find a "better", more reliable set of data (I doubt it) I'll suggest it as update for Ifeffit/Athena/Hephaestus... Daniel > Another reference that might help: > > https://journals.aps.org/pra/abstract/10.1103/PhysRevA.22.1615 > Core-level lifetimes as determined by x-ray photoelectron spectroscopy > measurements > John C. Fuggle and Santos F. Alvarado > Phys. Rev. A 22, 1615 – Published 1 October 1980 > > X-ray photoelectron spectroscopy (XPS) has been used to measure lifetime > broadening of L, M, N, O, and P core levels with binding energies less > than 1500 eV in approximately 25 elements. The results show that the > framework provided by previously accepted theoretical estimates of > lifetime broadening is sometimes misleading. Lifetimes derived from > theory and experiment often differ by a factor of 2 or more. In the > transition metals of the first period plots of measured widths of the > L1(2s),L2(2p12), and L3(2p32) levels as a function of atomic number show > broad maxima which are not adequately described by theory. The origin of > this broadening is extensively discussed, as is the overestimation of > lifetimes by theory in other areas of the periodic table. > > > Also check "Cited by" references for potentially updated information. > > -R. > > On 11/13/2017 8:34 AM, Bruce Ravel wrote: >> On 11/13/2017 11:15 AM, Daniel Przyrembel wrote: >>> Still I can't see any reference to 'Keski-Rahkonen and Krause' in >> >> >> http://bruceravel.github.io/demeter/documents/Athena/hephaestus.html#absorption >> >> >> >> Here is the relevant bit from Feff: >> >> https://github.com/xraypy/feff85exafs/blob/master/src/COMMON/setgam.f >> >> Note that that bit in Feff is less sophisticated than you might think. >> My memory (Matt or John might remember better) is that Steve Zabinski >> (main author of Feff6) "interpolated" those values from the plots in >> the K&R paper. This was done with a ruler back in the days before we >> had software tools for such chores. I am not saying that the values >> in setgam.f are wrong -- just not as precise as you might imagine. >> >> B >> >> >> > > _______________________________________________ > Ifeffit mailing list > Ifeffit@millenia.cars.aps.anl.gov > http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > Unsubscribe: http://millenia.cars.aps.anl.gov/mailman/options/ifeffit > _______________________________________________ Ifeffit mailing list Ifeffit@millenia.cars.aps.anl.gov http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit Unsubscribe: http://millenia.cars.aps.anl.gov/mailman/options/ifeffit
