Electrical conductivity measurements of the plasma-polymerized 1-benzothiophene thin film

Satoru Nishio, Tomonari Takeuchi, Yukihito Matsuura, Kazunari Yoshizawa, Kazuyoshi Tanaka, Tokio Yamabe

研究成果: Contribution to journalArticle

13 引用 (Scopus)


D.c. and the real part of a.c. (101-107 Hz) conductivities of plasma-polymerized 1-benzothiophene (1BT) thin film were measured in the temperature range from 80 to 290 K in order to investigate the conduction mechanism. The iodine-doped sample was also examined. It has been found that d.c. conduction of the pristine sample is ruled by the three-dimensional variable range hopping (3D-VRH) at the lower temperature region (< 160 K) and by the activation process for the nearest-neighbour hopping at the higher temperature region (> 200 K). The quantum-mechanical tunnelling (QMT) process is predominant in a.c. conduction of the pristine sample. The number of a.c. conduction carriers represented by the density of localized states (DOLS) near the Fermi level (that is, N(EF)) has been found in close proximity to the spin concentrations of both the pristine and iodine-doped samples.

ジャーナルSynthetic Metals
出版物ステータス出版済み - 2 1992

All Science Journal Classification (ASJC) codes

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

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