Analysis of a hybrid model for the electrothermal behavior of semiconductor heterostructures

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Date
2019
Volume
2636
Issue
Journal
Series Titel
Book Title
Publisher
Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik
Abstract

We prove existence of a weak solution for a hybrid model for the electro-thermal behavior of semiconductor heterostructures. This hybrid model combines an electro-thermal model based on drift-diffusion with thermistor type models in different subregions of the semiconductor heterostructure. The proof uses a regularization method and Schauder's fixed point theorem. For boundary data compatible with thermodynamic equilibrium we verify, additionally, uniqueness. Moreover, we derive bounds and higher integrability properties for the electrostatic potential and the quasi Fermi potentials as well as the temperature.

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Keywords
Drift-diffusion, charge & heat transport, electro-thermal interaction, semiconductor heterostructures, hybrid modeling, weak solutions
Citation
Glitzky, A., Liero, M., & Nika, G. (2019). Analysis of a hybrid model for the electrothermal behavior of semiconductor heterostructures (Vol. 2636). Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik. https://doi.org//10.20347/WIAS.PREPRINT.2636
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