Transcription of X-ray absorption spectroscopy for beginners
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I. Ascone-IUCr2011 XAFS Tutorial -Page 1 X-ray absorption spectroscopy for beginners Isabella Ascone UMR 7223 I. Ascone-IUCr2011 XAFS Tutorial -Page 2 Acknowledgements for the organization Co-Chairs Joaquin Garc a Ruiz, Professor, Inst. de Ciencia de Materiales de Arag n (Zaragoza) Hiroyuki Oyanagi, Chair of the International X-ray absorption Society Organized in Cooperation with IUCr 2011 Local Organizing Committee, IUCr Commission on XAFS, International X-ray absorption Society I. Ascone-IUCr2011 XAFS Tutorial -Page 3 Aims of this Tutorial Promote XAFS among new users presenting the technique and its applications overview of data analysis software commonly used or under development Create a bridge between XAFS and a large IUCr Community I.
I. Ascone-IUCr2011 XAFS Tutorial -Page 15 Cross section is the cross-section in barns/atom -(1 barn = 10 24 cm2), u is the atomic mass unit A is the relative atomic mass of the target element (i.e. in amu; the mass relative to 12 for carbon 12). Cross-section is a measure of the probability of interaction between the
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