Study-unit FUNDAMENTALS OF SURFACE PHYSICS
| Course name | Physics |
|---|---|
| Study-unit Code | A002515 |
| Location | PERUGIA |
| Curriculum | Fisica della materia |
| Lecturer | Alberto Verdini |
| Lecturers |
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| Hours |
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| CFU | 6 |
| Course Regulation | Coorte 2023 |
| Supplied | 2023/24 |
| Supplied other course regulation | |
| Learning activities | Affine/integrativa |
| Area | Attività formative affini o integrative |
| Sector | FIS/03 |
| Type of study-unit | Opzionale (Optional) |
| Type of learning activities | Attività formativa monodisciplinare |
| Language of instruction | Italian |
| Contents | Introduction. Importance of the surfaces of solids. Surfaces and the ultra-high vacuum. Structure and geometry of surfaces. Atom/molecule interaction with surfaces. Chemical reactivity of surfaces. Epitaxial growth. Experimental techniques for investigating surface properties. |
| Reference texts | K. W. Kolasinski, Surface Science: Foundations of Catalysis and Nanoscience, Wiley & Sons A. Zangwill, Physics at Surfaces, Cambridge University Press H. Luth Solid Surfaces, Interfaces and Thin Films, Springer J. C. Vickerman,I S. Gilmore Surface Analysis –The Principal Techniques, Wiley & Sons |
| Educational objectives | Knowing and understanding the properties of solid surfaces and the most important physical and chemical phenomena occurring on them; learning the operating principles and applications of the main experimental techniques for investigating phenomena occurring on surfaces. Being able to identify advantages and disadvantages of the various experimental techniques. |
| Prerequisites | Adequate knowledge of Classical Physics, Quantum Mechanics and Statistical Mechanics |
| Teaching methods | Frontal lessons |
| Other information | teacher's email verdini@iom.cnr.it alberto.verdini@unipg.it |
| Learning verification modality | Short presentation (20 min) by the student in which a topic of his or her choice covered during the course is explored. 30-45 min discussion on at least three other course topics |
| Extended program | Introduction to surfaces, scientific interest, technological and computational developments. Surfaces and the need to operate in ultra high vacuum conditions. Brief introduction to ultra-high vacuum instrumentation and techniques. Crystal structure of solids, cubic and hexagonal lattices. Bravais lattices for surfaces. Determination of surface structure. Reconstruction of surfaces. LEED electron diffraction technique: operating principles and instrumentation. Mean free path of electrons in matter. Concept of reciprocal space and grazing X-ray diffraction from surfaces. Surface morphology: terraces, steps, defects, roughness, reconstructions. Introduction to X-ray spectroscopies: radiation-matter interaction and Fermi's golden rule. Conventional light sources, synchrotron light and free electron lasers. Photoemission (XPS), Auger spectroscopy, threshold absorption (NEXAFS), resonance photoemission (RESPES). Principle of operation of the hemispheric electron analyser. Photoelectron diffraction and comparison with other techniques for structural characterisation of surfaces. Formation of complex interfaces and nanostructures. Examples of self-assembly processes of molecules. Examples of synthesis on surfaces, Ullmann Reaction and Metalation of tetrapyrroles. STM and AFM scanning microscopy techniques: operating principles and examples |