The importance of surfaces in the applications of solids has been recognized ever since solids were put into use. However, surface properties have become understood on molecular level only as late as 1960s when many new techniques were invented and made possible the atomic and molecular level investigation of surfaces. Since then these techniques have grown in number and in sophistication. Their application area rapidly increases, including semiconductor processing, heterogeneous catalysis, corrosion prevention, tribology and new materials development among others. The fruits of these applications result in the birth and advances of (molecule-level) surface science, which remains as one of intellectual frontiers of physics, chemistry and materials science. This course introduces briefly physical, chemical, electronic, and vibrational properties of surfaces, with emphasis on the surface physical and electronic stuctures.
Surface segregation and preparation of clean surfaces; surface crytallography; surface relaxation, reconstruction and defects; surface tension and Wulff plot; surface potential and work function; surface states, space-charge layer, band bending and Fermilevel pinning; surface core-level shift; surface plasmon; surface phonons; gas adsorption; XPS, UPS, AES, SIMS, LEED, RHEED, HREELS.
1. Introduction 2. Surface Chemical Composition i. Surface segragation and Preparation of Clean Surfaces ii. Experimental Techniques X-ray Photoelectron Spectroscopy (XPS), Auger Electron Spectroscopy (AES) Secondary Ion Mass Spectrometry (SIMS) 3. Surface Morphology and Physical Structure i. Surface Crystallography ii. Relaxation, Reconstruction and Defects iii. Surface Tension, Wulff Plot and Macroscopic Shape iv. Experimental Techniques Low Energy Electron Diffraction (LEED), Reflection High-Enrgy Electron Diffraction (RHEED), Grazing Incidence X-ray Diffraction SEM and TEM; STM and AFM Field-Ion Microscopy (FIM) Surface Extended X-ray Absorption Fine Structure (SEXAFS) Photoelectron Diffraction (PhD) Rutherford Backscattering (RBS)/Ion Scattering 4. Surface Electronic Structure i. Surface Potential and Work Function ii. Surface States and Band Bending iii. Surface Plasmon iv. Experimental Techniques Photoemission Spectroscopy (XPS and UPS) Inverse Photoemission Electron Energy Loss Spectroscopy (EELS) 5. Surface Vibrations i. Surface Phonons ii. Adsorption and Desorption iii. Experimental Techniques High Resolution Electron Energy Loss Spectroscopy (HREELS) Atomic Scattering Reflection-Absorption Infrared Spectroscopy Temperature-Programmed Desorption (TPD)
On reserve in the Science Library.
| 1. | Surface and Interfaces of Solids by Hans Luth Springer-Verlag 1993 |
| 2. | Introduction to Surface Physics (2nd Ed) by M. Prutton Oxford Science Publications 1994 |
| 3. | Physics at Surfaces by A. Zangwill Cambridge University Press 1988 |
| 4. | Handbook of Surface Science by N. V. Richardson & S. Holloway North-Holland 1996 Vol. 1. Physical Structure Vol. 2. Electronic Structure Vol. 3. Dynamics |
| 5. | Principles of Adsorption and Reaction on Solid Surfaces by Richard I. Masel Hohn Wiley & Sons, Inc 1996 |
There are two lectures and one class tutorial each week on Tuesday and Friday at 4:00-5:50 pm in S12-04-10.
Walk-in consultations are welcome.