Possible low-temperature phase transition of Langmuir-Blodgett films of a charge-transfer complex detected by ESR

Keiichi Ikegami, Shin Ichi Kuroda, Tomoyuki Akutagawa, Taro Konuma, Takayoshi Nakamura, Mutsuyoshi Matsumoto, Sachio Horiuchi, Hideki Yamochi, Gunzi Saito

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The electron spin resonance (ESR) measurements made on the highly conducting Langmuir-Blodgett (LB) films of a charge-transfer complex of bis(ethylenedioxy)tetrathiafulvalene (BO) and decyltetracyanoquinodimethane (C10TCNQ), mixed with icosanoic acid, revealed microscopically the metallic nature of the system in a wide temperature range. Further, an anomalous increase in the ESR linewidth was detected around 140 K. To elucidate the origin of this anomaly, in situ ESR experiments upon annealing at low temperatures have been performed. The temperature dependence of the infrared spectrum has been also measured. The obtained results indicate a possible low-temperature phase transition of the present conducting LB system.

本文言語English
ページ(範囲)391-394
ページ数4
ジャーナルThin Solid Films
327-329
1-2
DOI
出版ステータスPublished - 1998 1月 1
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 表面および界面
  • 表面、皮膜および薄膜
  • 金属および合金
  • 材料化学

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