[Ifeffit] distinguishing between actual shells and artifacts

[mstiet2 at lsu.edu]

Dear all,

I am currently fitting first and second shells with Zn-O and Zn-Zn
paths,respectively. I get second shell features that could be fit quite
well, but I am not certain if they are actually second shell features
or possibly artifacts. For some samples I get second shell features that
I know should not be present. What criteria would you use to distinguish
between artifacts and actual shells?

Your assistance is appreciated.

Hashem Stietiya

Louisiana State University
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