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Solid State Physics

General

Code: ΣΥΥ201
Semester: 7
Hrs/week: 4
ECTS Credits: 8 (This course is also offered in English)

Content

·       Chemical Bonding in Solids, The periodic table of the elements,         covalent-, Ionic -  ,  metallic -, hydrogen-  and van der Waals Bond .            

·       Dynamics of Atoms in Crystals 1: Crystal potential,  equation of motion, monoatom-ic and diatomic linear chain.

·       Dynamics of Atoms in Crystals 2: Scattering from time-varying structures, phonon spectroscopy, elastic properties of crystals. Experimental setup  Raman Spectros-copy. Problems.

·       Thermal properties 1: Density of States, thermal energy of a harmonic oscillator, specific heat capacity. Problems.

·       Thermal properties 2: Effects due to anharmonicity, thermal expansion, heat conduction by phonons.

·       The "Free" electrons in solids 1: The Free-Electron Gas in an Infinite Square-Well Potential, Fermi Gas at T = 0 K.

·       The " free" electrons in solids 2: Fermi statistics, specific heat capacity of electrons in metals, electrostatic screening in a Fermi Gas -the Mott Transition, thermionic Emission of electrons from Metals. Problems.

·       The electronic Bandstructure of Solids 1: General symmetry properties, nearly free-electron approximation, Problems.

·       The electronic Bandstructure of Solids 2:  Tight-binding approximation, examples of bandstructures, Density of states - in crystalline and in Non-Crystalline solids, Pho-toemission Spectroscopy.

·       Motion of Electrons and Transport Phenomena 1: Motion of electrons in bands and the effective Mass, currents in bands and holes, scattering of electrons in bands, Problems.

·       Motion of Electrons and Transport Phenomena 2: Boltzmann equation and relaxa-tion time, electrical conductivity of metals, thermoelectric  effect,  Wiedemann-Franz law, electrical conductivity of localized electrons., Problems.

·       Optical properties of Solids 1:  Dielectric Function, absorption of electromagnetic radiation, dielectric function for a harmonic oscillator, longitudinal and transverse normal modes, surface waves on a Dielectric. Problems.

·       Optical properties of Solids 2:  Local Field, polarization catastrophe and ferroelec-trics, free-electron Gas, interband transitions, excitons, dielectric energy Losses of Electrons. Experimental setups:  Infrared Spectroscopy, The Frustrated Total Reflec-tion Method. Problems.

·       Semiconductors 1:  Bandstructure of important semiconductors, charge carrier den-sity in intrinsic Semiconductors, doping of semiconductors. Problems.

·       Semiconductors 2: Conductivity of semiconductors, p-n Junction and the Met-al/Semiconductor Schottky Contact, Semiconductor Heterostructures and Superlat-tices. Experimental setups:   Hall effect, Cyclotron Resonance in Semiconductors

Suggested literature:

Additional suggested literature:

Teacher(s)

ANNOUCEMENTS

  • 09-11-2017
  • Change in lectures schedule for "English for Physics" course.

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