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

doi:10.1063/1.109534

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

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	1892-1894
Number of pages	3
Journal	Applied Physics Letters
Volume	62
Issue number	16
DOIs	https://doi.org/10.1063/1.109534
Publication status	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "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 [{\=1}10] 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.",

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T1 - Observation of thin film of one-dimensional organic conductor tetrathiofulvalene tetracyanoquinodimethane by means of atomic force microscopy

AU - Nakajima, Ken

AU - Kageshima, Masami

AU - Ara, Norihiko

AU - Yoshimura, Masamichi

AU - Kawazu, Akira

PY - 1993

Y1 - 1993

N2 - 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.

AB - 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.

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

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