Nicki Frank Hinsche, Florian Rittweger, Martin Hölzer, Peter Zahn, Arthur Ernst, Ingrid Mertig,
"Ab initio description of the thermoelectric properties of heterostructures in the diffusive limit of transport"
, in Physica Status Solidi A: Applications and Materials Science, Vol. 213, Nummer 3, Seite(n) 672-683, 3-2016, ISSN: 1862-6319
Original Titel:
Ab initio description of the thermoelectric properties of heterostructures in the diffusive limit of transport
Sprache des Titels:
Englisch
Original Kurzfassung:
The scope of this review is to present the recent progress in the understanding of the microscopic origin of thermoelectric transport in semiconducting heterostructures and to identify and elucidate mechanisms which could lead to enhanced thermoelectric conversion efficiency. Based on first-principles calculations a consistent and convenient method is presented to fully describe the thermoelectric properties in the diffusive limit of transport for bulk systems and their associated heterostructures. While fundamentals of the functionality of phonon-blocking and electron-transmitting superlattices could be unveiled, we provide also distinct analysis and ideas for thermoelectric enhancement for two archetypical thermoelectric heterostructures based on Bi2Te3/Sb2Te3 and Si/Ge. A focus was on the influence of bulk and interfacial strain, varying charge carrier concentration, temperature, and superlattice periods on the thermoelectric transport properties.
Sprache der Kurzfassung:
Englisch
Journal:
Physica Status Solidi A: Applications and Materials Science
Forschungs-