Electron Energy Loss Spectroscopy and Surface Vibrations
- 1st Edition - May 28, 1982
- Latest edition
- Authors: H. Ibach, D. L. Mills
- Language: English
Electron Energy Loss Spectroscopy and Surface Vibrations is devoted to electron energy loss spectroscopy as a probe of the crystal surface. Electrons with energy in the range of a… Read more
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Description
Description
Electron Energy Loss Spectroscopy and Surface Vibrations is devoted to electron energy loss spectroscopy as a probe of the crystal surface. Electrons with energy in the range of a few electron volts sample only a few atomic layers. As they approach or exit from the crystal, they interact with the vibrational modes of the crystal surface, or possibly with other elementary excitations localized there. The energy spectrum of electrons back-reflected from the surface is thus a rich source of information on its dynamics. The book opens with a detailed analysis of the physics that controls the operation of the monochromator, which is the core of the experimental apparatus. Separate chapters follow on the interaction of electrons with vibrational modes of the surface region and with other elementary excitations in the vicinity; the lattice dynamics of clean and adsorbate-covered surfaces, with emphasis on those features of particular relevance to surface vibrational spectroscopy; and selected applications vibration spectroscopy in surface physics and chemistry.
Table of contents
Table of contents
Preface
Acknowledgments
Chapter 1 Introduction
1.1 General Remarks
1.2 A Comparison of Surface Vibration Spectroscopies
1.3 The Electron Energy Loss Method of Surface Vibrational Spectroscopy: Introductory Remarks
References
Chapter 2 Instrumentation
2.1 Physical Requirements of Spectrometers
2.2 Energy Dispersive Systems
2.3 The Analysis of the Cylindrical Deflector
2.4 Space-Charge Effects
2.5 Space-Charge Effects on the Cylindrical Deflector
2.6 Other Electrostatic Geometries
2.7 Background
2.8 Some Further Technical Aspects
References
Chapter 3 Basic Theory of Electron Energy Loss Spectroscopy
3.1 General Remarks
3.2 Small-Angle Inelastic Scattering by Dipole Fields
3.3 Bulk Losses in the Regime of Small-Angle Scattering
3.4 Surface Losses
3.5 The Impact Scattering Regime
3.6 Technical Remarks
References
Chapter 4 Vibrational Motion of Molecules Adsorbed on the Surface
4.1 General Remarks
4.2 Theory of the Vibrational Normal Modes of Adsorbed Molecules
4.3 Elements of Group Theory
4.4 Molecular Vibrations and Surface Point Groups
4.5 Some Principles in Mode Assignment
References
Chapter 5 Vibrations at Crystal Surfaces; Ordered Adsorbate Layers and the Clean Surface
5.1 General Remarks
5.2 Formal Description of the Vibrations of Ordered Adsorbate Layers on Crystals
5.3 The Study of Surface Phonons by Electron Energy Loss Spectroscopy
5.4 Anharmonicity and Double Losses
References
Chapter 6 Applications of Vibration Spectroscopy in Surface Physics and Chemistry
6.1 General Remarks
6.2 Vibration Spectroscopy and the Determination of Adsorption Sites
6.3 Frequency Shifts
6.4 Overtones and Bond Energy
6.5 Chemical Analysis of Adsorbed Species
References
Chapter 7 Outlook
References
Appendix A Evaluation of the Function P(Q
Product details
Product details
- Edition: 1
- Latest edition
- Published: November 14, 2013
- Language: English
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