Observation of thin film of one-dimensional organic conductor tetrathiofulvalene tetracyanoquinodimethane by means of atomic force microscopy

Ken Nakajima, Masami Kageshima, Norihiko Ara, Masamichi Yoshimura, Akira Kawazu

    研究成果: Article査読

    17 被引用数 (Scopus)

    抄録

    Thin films of the charge transfer complex of tetrathiofulvalene tetracyanoquinodimethane (TTF-TCNQ) deposited on KC1 and KBr were studied by atomic force microscopy (AFM). Structures corresponding to the molecular arrangement of the crystallographic ab-plane were observed in the molecular-scale AFM images. Large-scale imaging (15×15 μm) revealed that the films consist of rectangular islands whose longer sides (corresponding to the highly conductive b-axis) orient in the [110] or [1̄10] direction of the KC1 and KBr(001) surfaces. A small number of islands rotated 32°from the [110] direction were also observed on the KBr substrate. The arrangement of these islands can be explained by considering the adsorption of a TCNQ molecule to the metastable state.

    本文言語English
    ページ(範囲)1892-1894
    ページ数3
    ジャーナルApplied Physics Letters
    62
    16
    DOI
    出版ステータスPublished - 1993 12 1

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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