Surface Physics 2

Garant předmětu:

Ladislav Kalvoda

Lecturer:

Ladislav Kalvoda

Tutor:

Ladislav Kalvoda

Supervisor:

Department of Solid State Engineering

Synopsis:

1. Surface properties. Repetitorium of QM approach to bulk crystalline solids case of bulk materials and modifications caused by introduction of a surface. 2. Surface and the jellium model. Bloch waves and a 'step' potential. 3. Molecular orbital approach to surface states. Limiting cases of electronic surface states. 3. Surface phonons. Surface plasmon polaritons. 4. Experimental characterization of surface electronic and vibratory properties. Electronic work function. Contact potential. 5. Surface charge and electronic band bending. Semiconductor super-lattices and electronic mini-bands. 6. Preparation and properties of magnetic multi-layers. 7. Electron Energy Loss Spectroscopy (EELS): Principle, instrumentation and applications.8. Adsorption at surfaces: Physisorption, chemisorption, interactions between adsorbates, surface segregation. 9. Kinetics of adsorption and desorption. Surface chemical reactions and catalysis. 10. Coverage and ultra-thin layers. Modes of thin crystalline layer growth. 11. Experimental methods of thin layer fabrication. Physical vapor deposition (PVD). Chemical vapor deposition (CVD). 12. Principles and applications of molecular beam epitaxy (MBE). 13. Liquid phase epitaxy (LPE). Langmuir-Blodgett technique (LBT).

Requirements:

surface physics is recommended (11FYPO1 at FNSPE)

Syllabus of lectures:

1. Surface properties. Repetitorium of QM approach to bulk crystalline solids case of bulk materials and modifications caused by introduction of a surface. 2. Surface and the jellium model. Bloch waves and a 'step' potential. 3. Molecular orbital approach to surface states. Limiting cases of electronic surface states. 3. Surface phonons. Surface plasmon polaritons. 4. Experimental characterization of surface electronic and vibratory properties. Electronic work function. Contact potential. 5. Surface charge and electronic band bending. Semiconductor super-lattices and electronic mini-bands. 6. Preparation and properties of magnetic multi-layers. 7. Electron Energy Loss Spectroscopy (EELS): Principle, instrumentation and applications.8. Adsorption at surfaces: Physisorption, chemisorption, interactions between adsorbates, surface segregation. 9. Kinetics of adsorption and desorption. Surface chemical reactions and catalysis. 10. Coverage and ultra-thin layers. Modes of thin crystalline layer growth. 11. Experimental methods of thin layer fabrication. Physical vapor deposition (PVD). Chemical vapor deposition (CVD). 12. Principles and applications of molecular beam epitaxy (MBE). 13. Liquid phase epitaxy (LPE). Langmuir-Blodgett technique (LBT).

Syllabus of tutorials:

N/A

Study Objective:

Knowledge: ^^Understanding the specific nature of physical and chemical properties of surfaces and thin films; overiew of methods of thin films preparation. ^^Skills: ^^Skills needed for practical application of the obtained knowledge on own research problems.

Study materials:

Key references: ^^[1] M. Prutton, Introduction to Surface Physics, Clarendon Press, Oxford 1998. ^^Recommended references: ^^[2]. J.M. Zimman: Principles of the Theory of Solids, 2nd ed., Cambridge Univeristy Press 1999.

Note:

Time-table for winter semester 2023/2024:

Time-table is not available yet

Time-table for summer semester 2023/2024:

Time-table is not available yet

The course is a part of the following study plans: