[Ifeffit] question about sigma2 and atomic distance

[Shaofeng Wang]

Dear everyone,

Could experts explain the relationship between sigma2 and atomic distance of same two atoms?


Best regards,

Shaofeng

--------------------------------------
Shaofeng Wang, Ph.D of Geochemistry
Environmental Molecular Science Group
Institute of Applied Ecology, Chinese Academy of Sciences
Shenyang, 110016, China
wangshaofeng at iae.ac.cn
www.iae.cas.cn



From: Shaofeng Wang 
Sent: Friday, June 02, 2017 4:32 PM
To: XAFS Analysis using Ifeffit 
Subject: [Ifeffit] a question about S02

Hi everyone,

I am fitting a standard material scorodite. The fitting results are pretty good, but the S02 is around 1.2 when the k range = 4-13.5. Is this result reasonable? Please see the attached files.



Best regards,

Shaofeng

--------------------------------------
Shaofeng Wang, Ph.D of Geochemistry
Environmental Molecular Science Group
Institute of Applied Ecology, Chinese Academy of Sciences
Shenyang, 110016, China
wangshaofeng at iae.ac.cn
www.iae.cas.cn



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