Dynamics of Gas-Surface Scattering

Preface

Acknowledgments

Nomenclature

Chapter 1 Introduction


1.1 Some Remarks on the Development of Experiment and Theory


1.2 Models of Surfaces and Real Surfaces


1.3 Final Introductory Remarks

References

Chapter 2 Elementary Kinetic Theory of Gases at Interfaces


2.1 Equilibrium Properties


2.2 Non-equilibrium Properties

References

Chapter 3 Interaction Potentials and Interaction Regimes


3.1 Introduction


3.2 The Fundamental v(r) Curve


3.3 Long-Range Attractive and Short-Range Repulsive Interactions


3.4 Simple Empirical Inter-atomic Potential Functions


3.5 Gas-Surface Interaction Potentials


3.6 General Considerations of Scattering Processes

References

Chapter 4 Simplified Lattice Models of the Dynamics of Solid Surface Atoms: Classical-Mechanical Treatment of Gas-Surface Scattering


4.1 General Considerations


4.2 Major Simplifications in Lattice Models


4.3 The n-Dimensional Semi-Infinite Lattice


4.4 Surface Atom Response Functions in Semi-Infinite Lattices


4.5 Lattice Atom Response Functions


4.6 Classical Thermal Motion of the Lattice Model


4.7 General Classical Lattice Theory of Gas-Surface Scattering


4.8 Some General Remarks on the Classical Treatment


4.9 Inadequacy of the One-Dimensional Lattice Model in Gas-Surface Scattering Theory


4.10 Characteristic Vibration Temperature of a Model of a Solid

References

Chapter 5 Molecular Beams


5.1 Introduction


5.2 Effusive Source Beams


5.3 Nozzle Source Beams


5.4 Measurements of Beam Properties


5.5 Current Laboratory Practices in Generating Molecular Beams for Surface Scattering Experiments

References

Chapter 6 Inelastic Scattering: Thermal Regime


6.1 Introduction


6.2 The Scattering Patterns


6.3 The Cubes Models: The Flat-Surface Assumption


6.4 Some Additional Experimental Results

References

Chapter 7 Inelastic Scattering: Structure Regime


7.1 Introduction


7.2 Transition from Thermal to Structure Scattering


7.3 Structure Scattering

References

Chapter 8 Quantum Theory of Gas-Surface Scattering


8.1 General Considerations


8.2 Some Remarks on Notation


8.3 The T-Matrix Formalism


8.4 Polyatomic Gas Molecules


8.5 Approximations


8.6 Diffraction of Gas Atoms by a Stationary Solid


8.7 Possibility of Comparing Diffraction Theory with Experiment


8.8 One-Phonon Inelastic Scattering of Gas Atoms


8.9 One-Phonon Scattering by a Flat Surface, Ignoring Bound-State Effects: Derivation of the Differential Scattered Intensity Used in the Calculations


8.10 General Conservation Laws for Atom-Surface Scattering


8.11 Debye-Waller Attenuation of Diffracted Intensities


8.12 Interaction Potential Models and Matrix Elements for Diffraction and One-Phonon Calculations, Ignoring Bound States

References

Chapter 9 Quantum Mechanical Scattering Phenomena


9.1 General Considerations


9.2 Elastic (Specular) and Inelastic Scattering by Metal Surfaces


9.3 Atomic and Molecular Diffraction


9.4 Comparison of Diffraction Theory with Experiments


9.5 Quantum Mechanical Rainbow Scattering


9.6 Rotational-State Transitions Accompanying Diffraction of Diatomic Gases by Alkali Halide Surfaces


9.7 Diffraction by Metal Surfaces


9.8 Inelastic Scattering in Diffractive Systems


9.9 Bound-State Resonances


9.10 Scattering of Molecular Beams by Surfaces Covered by Adsorbates

References

Chapter 10 The Energy Accommodation Coefficient


10.1 Introduction


10.2 Experimental Methods


10.3 Experimental Procedure


10.4 Experimental Results


10.5 Classical Theory of the EAC


10.6 Limits of Structure Scattering and Thermal Scattering: Applications of the Hard-Spheres and Soft-Cubes Models to the EAC


10.7 Quantum Theory of the EAC


10.8 Miscellaneous Topics

References

Index