Low temperature thermal, thermoelectric, and thermomagnetic transport in indium rich Pb(1-x)Sn(x)Te alloysстатья
Статья опубликована в высокорейтинговом журнале
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Web of Science
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Дата последнего поиска статьи во внешних источниках: 17 ноября 2012 г.
Аннотация:Galvanomagnetic and thermomagnetic data of single crystal indium rich Pb(1-x)Sn(x)Te are analyzed, and electronic band parameters are calculated using nonparabolic band model. Transport properties at 80 K are presented as a function of Sn (x=0-0.3) and In concentrations. Our results indicate pinning of Fermi level by indium impurity levels in these alloys. Effects of interaction of band with impurity level are investigated in terms of change in effective mass and energy scattering exponent. Indium doping slightly improves the thermoelectric properties of PbSnTe alloys. (c) 2008 American Institute of Physics.