Potential thermoelectric properties of PbTe/Pb1-xEuxTe quantum wells

A. Casian, Z. Dashevsky, V. Kantser, H. Scherrer, I. Sur, A. Sandu

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

Thermoelectric opportunities of PbTe/Pb1-xEuxTe quantum well structures are investigated theoretically. The electron energetic spectrum and the Fermi level position are calculated in dependence on the quantum well width and the potential barrier height for (111) and (100) oriented structures, taking into account the multivalley character of the bulk semiconductors. The electrical conductivity and Seebeck coefficient are determined for transport along the well layers using the variational method. The carrier scattering both on optical and acoustical phonons is taken into account. It is found that for (100) - structures the conductivity decreases and Seebeck coefficient increases with the well width decreasing while for (111) - structures the latter varies weakly. The values of the thermoelectric power factor are determined and analyzed. It is shown that the values of the power factor are higher in the (100) oriented structures.

Original languageEnglish
Pages51-54
Number of pages4
StatePublished - 1 Dec 1998
Externally publishedYes
EventProceedings of the 1998 17th International Conference on Thermoelectrics, ICT - Nagoya, Jpn
Duration: 24 May 199828 May 1998

Conference

ConferenceProceedings of the 1998 17th International Conference on Thermoelectrics, ICT
CityNagoya, Jpn
Period24/05/9828/05/98

ASJC Scopus subject areas

  • General Engineering

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