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content:
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In phenomenological the laws of thermodynamics and thermodynamic potentials will be discussed.
The Legendre-transformation for the calculation of the thermodynamic potentials for different
contacts is introduced and applied for several examples centering around the physical interpretation of the entropy.
The statistical approach for the calculation of the partition function for the evaluation of
the thermodynamic potentials will be presented on the example of the specific heat capacity.
This fundamentals will be used for the calculation of phase diagrams, formation entropy of
dislocations and voids, and spontanic magnetization. Concepts will be discussed, how nonequilibrium processes can be described in terms of the equilibrium thermodynamic formalism.
The Semiconductor-LASER and the Boltzmann-equation for current and diffusion processes will be
dealt in detail.
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literature:
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1. S.M. Sze, Physics of Semiconductor Devices, John Wiley & Sons, New York 1981
2. Ashcroft/Mermin, Solid state physics, Saunders College Publishing
3. P.S. Kirejew, Physik der Halbleiter, Akademischer Verlag Berlin, 1974
4. Wolfgang Weidlich, Thermodynamik und statistische Methoden, Akademische Verlagsgesellschaft, Wiesbaden 1976
5. Albrecht Winnacker, Physik von Maser und Laser, BI Wissenschaftsverlag, Zürich 1984
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