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E-book: Introduction to XAFS: A Practical Guide to X-ray Absorption Fine Structure Spectroscopy

3.60/5 (10 ratings by Goodreads)
(Illinois Institute of Technology)
  • Format: EPUB+DRM
  • Pub. Date: 28-Jan-2010
  • Publisher: Cambridge University Press
  • Language: eng
  • ISBN-13: 9781139636681
  • Format - EPUB+DRM
  • Price: 111,14 €*
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  • This ebook is for personal use only. E-Books are non-refundable.
  • Format: EPUB+DRM
  • Pub. Date: 28-Jan-2010
  • Publisher: Cambridge University Press
  • Language: eng
  • ISBN-13: 9781139636681

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"X-ray absorption fine structure spectroscopy (XAFS) is a powerful and versatile technique for studying structures of materials in chemistry, physics, biology and other fields. This textbook is a comprehensive, practical guide to carrying out and interpreting XAFS experiments. Assuming only undergraduate-level physics and mathematics, the textbook is ideally suited for graduate students in physics and chemistry starting XAFS-based research. It contains concise executable example programs in Mathematica 7. Supplementary material available at www.cambridge.org/9780521767750 includes Mathematica code from the book, related Mathematica programs, and worked data analysis examples. The textbook addresses experiment, theory, and data analysis, but is not tied to specific data analysis programs or philosophies. This makes it accessible to a broad audience in the sciences, and a useful guide for researchers entering the subject"--Provided by publisher.

A comprehensive, practical guide, this textbook is ideally suited for graduate students in physics and chemistry starting XAFS-based research.

X-ray absorption fine structure spectroscopy (XAFS) is a powerful and versatile technique for studying structures of materials in chemistry, physics, biology and other fields. This textbook is a comprehensive, practical guide to carrying out and interpreting XAFS experiments. Assuming only undergraduate-level physics and mathematics, the textbook is ideally suited for graduate students in physics and chemistry starting XAFS-based research. It contains concise executable example programs in Mathematica 7. Supplementary material available at www.cambridge.org/9780521767750 includes Mathematica code from the book, related Mathematica programs, and worked data analysis examples. The textbook addresses experiment, theory, and data analysis, but is not tied to specific data analysis programs or philosophies. This makes it accessible to a broad audience in the sciences, and a useful guide for researchers entering the subject.

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A comprehensive, practical guide, this textbook is ideally suited for graduate students in physics and chemistry starting XAFS-based research.
Preface vii
1 Introduction 1
1.1 What is XAFS?
1
1.2 Physics of XAFS
2
1.3 Synchrotron radiation
4
1.4 Purpose of this book
6
2 Basic physics of X-ray absorption and scattering 8
2.1 X-rays
8
2.2 The structure of atoms
9
2.3 Atomic units
11
2.4 Types of interactions
13
2.5 Cross sections
14
2.6 Elastic scattering from free electrons
20
2.7 Elastic scattering from electron distributions
21
2.8 Elastic scattering from atoms with no excitation
24
2.9 Elastic scattering from crystals
26
2.10 Fourier transform of the lattice
28
2.11 Compton scattering from free electrons
32
2.12 Inelastic scattering from atoms
32
2.13 Core-hole lifetime
33
3 Experimental 36
3.1 Requirements for XAFS experiments
36
3.2 X-ray sources
41
3.3 Synchrotron radiation
42
3.4 Beamlines and optics
52
3.5 X-ray detectors
60
3.6 XAFS experiments
80
3.7 Samples
96
3.8 Data acquisition
103
4 Theory 106
4.1 Introduction
106
4.2 Transition rate
107
4.3 Band structure, molecular orbital, clusters
115
4.4 Multiple scattering expansion
118
4.5 Outline of theoretical calculation
120
4.6 EXAFS equation
125
5 Data analysis 134
5.1 XANES
135
5.2 EXAFS
146
5.3 Data fitting
173
6 Related techniques and conclusion 189
6.1 Related techniques
189
6.2 Conclusion
191
Appendix 1 Introduction to Fourier transforms in EXAFS 193
Appendix 2 Cumulants in EXAFS 212
Appendix 3 Optimizing X-ray filters 219
Appendix 4 Reference spectra 232
Appendix 5 X-ray tables 241
References 251
Index 258
Grant Bunker is Professor of Physics at the Illinois Institute of Technology. He has over thirty years experience in all aspects of XAFS spectroscopy, from technique development, instrumentation and computation, to applications in biology, chemistry and physics.