R. Brydson

Electron Energy Loss Spectroscopy (eBook, PDF)

• Format: PDF

Produktbeschreibung

Electron Energy Loss Spectroscopy (EELS) is a high resolution technique used for the analysis of thin samples of material. The technique is used in many modern transmission electron microscopes to characterise materials. This book provides an up-to-date introduction to the principles and applications of EELS. Specific topics covered include, theory of EELS, elemental quantification, EELS fine structure, EELS imaging and advanced techniques.

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Produktdetails

• Verlag: Taylor & Francis eBooks
• Seitenzahl: 152
• Erscheinungstermin: 13. August 2020
• Englisch
• ISBN-13: 9781000102314
• Artikelnr.: 59870465

Autorenporträt

Rik Brydson is a reader in Materials Characterization in the Materials Department at the University of Leeds in the UK. He has extensive experience of the application of microanalysis, particularly EELS, to a large range of chemical, physical, geological and materials problems.

Inhaltsangabe

Abbreviations
Preface
Acknowledgements
1. Introduction
What is EELS?
Interaction of electrons with matter
Basics of the TEM
Comparison of EELS in TEM with other spectroscopies
Conclusions
References
2. The EEL spectrum
The primary transmitted electron signal
Historical development
Basic components of an EEL spectrum
Basic physics
Summary of analytical uses
References
3. EELS instrumentation and experimental aspects
The electron spectrometer
Coupling a magnetic spectrometer to the microscope
Spectral recording
Energy
filtered imaging
Choice of experimental conditions for EELS
Specimen parameters
Summary of experimental set
up and data acquisition procedures for EELS
Summary of data correction procedures for EELS
References and further reading
4. Low loss spectroscopy
Quantification of sample thickness
Quantitative aspects of low loss data
Experimental aspects of EELS low loss measurements
Conclusions
References and further reading
5. Elemental quantification
Quantification of EEL spectra
Background removal
Determination of the ionization cross
section
Final quantification step
Summary of the quantification procedure
Summary of experimental quantification parameters
Accuracy and detection sensitivity of EELS quantification and comparison with EDX in the TEM
References and further reading
6. Fine structure on inner
shell ionization edges (ELNESIEXELFS)
Origin of edge fine structure
Determination of coordinations
Determination of valencies
Determination of bond lengths
Experimental aspects of ELNESIEXELFS measurements
Conclusions
References and further reading
7. EELS imaging
Introduction to EELS imaging and energy filtering
Summary of energy
filtering techniques
Procedure for EFTEM elemental mapping
Experimental parameters in EFTEM
Correlation of elemental maps
General strategy for EFTEM elemental analysis
Experimental procedure for EFTEM image acquisition and processing
Comparison of EFTEM and spectrum imaging methods
Energy
filtered tomography
Conclusions
References and further reading
8. Advanced EELS techniques in the TEM
Orientation dependency in EELS
Spatially resolved measurements
Electron Compton scattering
Reflection mode and surface measurements
References and further reading
9. Conclusions
Further reading
Further resources
Index.