Hi all,

          As I understand, the EXAFS fitting procedure using Artemis, for generating a theoretical model requires the crystal structure parameter like space group, cell parameters and specially atom coordinates etc.  For this we have to perform XRD measurements of single crystals of the samples. I have some questions

(1) In case we dont have the XRD data of a sample then how can the EXAFS

      analysis be done  of that sample?

(2) If we have already performed the XRD on the sample then by doing

     EXAFS what additional information are we getting ?

(3) If the answer to the first question is that - use the crystal structure of a

      similar sample, then what are the conditions under which we can use the

      known crystal structure of one sample for other samples ?

 

Thanks in advance

Abhijeet Gaur