Dear Shaofeng,
You really do need to fit to know for sure. Aside from changes in bond length, there are many other effects that can shift a peak.
—Scott Calvin
Sarah Lawrence College
On Nov 4, 2015, at 7:29 AM, Shaofeng Wang mailto:wangshaofeng@iae.ac.cn> wrote:
Dear all experts,
I am processing two As K edge EXAFS data shown as following figure. The first shell is As-O. The difference of the As-O peak btween sample As1 and As2 is around 0.03A. Does this represent that the average As-O bond length of sample As1 should be around 0.03 A longer than that of sample As2? Or this depends on fitting results ?
Any help is very appreciated.
Cheers,
Shaofeng
--------------------------------------
Shaofeng Wang, Ph.D of Geochemistry
Environmental Molecular Science Group
Institute of Applied Ecology, Chinese Academy of Sciences
Shenyang, 110016, China
wangshaofeng@iae.ac.cnmailto:wangshaofeng@iae.ac.cn
www.iae.cas.cnhttp://www.iae.cas.cn
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