About: Figure of Merit of quaternary (Sb0,75Bi0,25)2-xInxTe3 single crystals     Goto   Sponge   NotDistinct   Permalink

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Description
  • Monokrystaly (Sb0,75Bi0,25)2-xInxTe3 byly připraveny Bridgmanovou metodou. Byly měřeny transportní a termoelektrické vlastnosti. Byl zjištěn významný vzrůst parametru Z. (cs)
  • Single crystals of a quaternary system based on (Sb0,75Bi0,25)2Te3 doped with In were prepared using the Bridgman technique. Samples with varying content of In were characterized by the measurements of electrical conductivity c, Hall coefficient RH(B||c), Seebeck coefficient S(Tc) and thermal conductivity (Tc). The measurements indicate that by incorporating In in (Sb0,75Bi0,25)2Te3 one lowers the concentration of free holes. This effect is explained in terms of a point defect model in the crystal lattice. We also discuss the temperature dependence of the thermoelectric figure of merit Z=S2/ of the samples. It is observed that low concentrations of In atoms in the (Sb0,75Bi0,25)2Te3 crystal lattice result in a substantial increase in the parameter Z in the temperature region 100K - 300K.
  • Single crystals of a quaternary system based on (Sb0,75Bi0,25)2Te3 doped with In were prepared using the Bridgman technique. Samples with varying content of In were characterized by the measurements of electrical conductivity c, Hall coefficient RH(B||c), Seebeck coefficient S(Tc) and thermal conductivity (Tc). The measurements indicate that by incorporating In in (Sb0,75Bi0,25)2Te3 one lowers the concentration of free holes. This effect is explained in terms of a point defect model in the crystal lattice. We also discuss the temperature dependence of the thermoelectric figure of merit Z=S2/ of the samples. It is observed that low concentrations of In atoms in the (Sb0,75Bi0,25)2Te3 crystal lattice result in a substantial increase in the parameter Z in the temperature region 100K - 300K. (en)
Title
  • Figure of Merit of quaternary (Sb0,75Bi0,25)2-xInxTe3 single crystals
  • Figure of Merit of quaternary (Sb0,75Bi0,25)2-xInxTe3 single crystals (en)
  • Figure of Merit kvaternárních monokrystalů (Sb0,75Bi0,25)2-xInxTe3 (cs)
skos:prefLabel
  • Figure of Merit of quaternary (Sb0,75Bi0,25)2-xInxTe3 single crystals
  • Figure of Merit of quaternary (Sb0,75Bi0,25)2-xInxTe3 single crystals (en)
  • Figure of Merit kvaternárních monokrystalů (Sb0,75Bi0,25)2-xInxTe3 (cs)
skos:notation
  • RIV/00216275:25310/08:00007765!RIV09-MSM-25310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021627501)
http://linked.open...iv/cisloPeriodika
  • 104
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 367920
http://linked.open...ai/riv/idVysledku
  • RIV/00216275:25310/08:00007765
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Chalcogenides of tetradymite structure; Transport coefficients; Thermoelectric properties (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [72CE6CED6A05]
http://linked.open...i/riv/nazevZdroje
  • Journal of Applied Physics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 104
http://linked.open...iv/tvurceVysledku
  • Drašar, Čestmír
  • Lošťák, Petr
  • Uher, Ctirad
  • Hovorková, Aneta
  • Kong, Hong
  • Li, Cia
http://linked.open...n/vavai/riv/zamer
issn
  • 0021-8979
number of pages
http://localhost/t...ganizacniJednotka
  • 25310
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