[Ifeffit] A simple question regardng the 'chi' in the xmu.dat file (FEFF8)
Deok-Yong Cho
zax at snu.ac.kr
Tue Aug 30 09:22:54 CDT 2011
Dear Ifeffit users:
Hello, I have a simple question regarding the 'chi' in the xmu.dat, an output file of FEFF8. I wish I could get helps from you to resolve this.
As far as I know... in the xmu.dat file from Feff6, mu=mu0*(1+'chi') as it should be, but in the xmu.dat file from Feff 8, the 'chi' written in the xmu.dat is a rescaled one by mu0/(mu0 at edge+tens eV) so that mu should be equal to mu0+'chi'.
I checked up for FEFF8.4 by turning on and off the FMS card, and found that with the FMS card, mu = mu0+'chi', while without the FMS card, mu is quite close to or same as mu0*(1+'chi') instead of mu0+'chi'.
Please help me to find which one is correct. Attached are the Feff.inp and the resultant xmu.dat for ZnO.
Thank you all.
Best Regards,
Deok-Yong Cho
Post-doctoral researcher at RWTH Aachen, Germany
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