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Thermopower in Quasi‐Two‐Dimensional Semiconductor Quantum Well Structures
Author(s) -
Kubakaddi S. S.,
Mulimani B. G.,
Jali V. M.
Publication year - 1986
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221370230
Subject(s) - seebeck coefficient , condensed matter physics , quantum well , semiconductor , phonon , scattering , electron , quantum limit , limit (mathematics) , impurity , coupling (piping) , physics , quantum , materials science , thermoelectric effect , quantum mechanics , mathematical analysis , laser , mathematics , metallurgy
Expressions for the thermopower in quasi‐two‐dimensional semiconductor quantum well structures are obtained in the extreme quantum limit when electrons are scattered by acoustic phonons via deformation potential coupling, polar optical phonons, and ionized impurities. Numerical results are given for the size dependence of thermopower. It is found to be enhanced over its bulk value for lower values of well thickness. The contributions from individual scattering mechanisms are found to increase with the increase of temperature.