Anomalous transport in PbTe doping superlattices
- 1 October 1985
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 47 (7) , 738-740
- https://doi.org/10.1063/1.96022
Abstract
The Hall coefficient of p‐PbTe doping superlattices changes sign twice between 100 and 300 K. This effect is reported here for the first time and explained in terms of the temperature dependences of the static dielectric constant and the electron and hole mobilities. Below 140 K, persistent photoconductivity occurs, which is explained by electron trapping by deep states.Keywords
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