Magneto thermoelectric power of the doped polyacetylene

E. S. Choi, D. S. Suh, G. T. Kim, D. C. Kim, Y. W. Park

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

Thermoelectric power (TEP) and electrical conductivity of the metallic polyacetylene (PA) doped with AuCl3 and I2 are measured under high magnetic field up to 17 Tesla. We have observed the following two remarkable behaviors in the TEP results; (1) the temperature dependence of TEP for the iodine and metal-halide doped polyacetylene show clear difference at T<20K (2) abrupt reduction of the magneto TEP near 70K for both metal-halide and iodine doped PAs. As the doping concentration increases, the reduction temperature of TEP increases from 70K to 120K. The reduction of magneto TEP could be due to the SDW formation, since the collective motion can have lower entropy than that of the single particle transport.

Original languageEnglish
Pages (from-to)375-376
Number of pages2
JournalSynthetic Metals
Volume101
Issue number1
DOIs
Publication statusPublished - 1999 May
Externally publishedYes
EventProceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98) - Montpellier
Duration: 1998 Jul 121998 Jul 18

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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