Molecular-scale non-contact AFM studies of ferroelectric organic thin films epitaxially grown on alkali halides

T. Fukuma; K. Kobayashi; K. Noda; K. Ishida; T. Horiuchi; H. Yamada; K. Matsushige

doi:10.1016/S0039-6028(02)01876-9

Molecular-scale non-contact AFM studies of ferroelectric organic thin films epitaxially grown on alkali halides

T. Fukuma, K. Kobayashi, K. Noda, K. Ishida, T. Horiuchi, H. Yamada, K. Matsushige

研究成果: Article › 査読

25 被引用数 (Scopus)

抄録

Epitaxially grown vinylidene fluoride oligomer thin films formed on KCl(0 0 1) surfaces were investigated by ultrahigh vacuum non-contact AFM (UHV-NC-AFM). Molecularly resolved NC-AFM images of organic thin layers on insulating surfaces were successfully obtained for the first time, which revealed the epitaxial growth process on a molecular-scale. It was found that the first monolayer formed on KCl(0 0 1) surface was composed of characteristic honeycomb-like structures while the following upper molecular layers consist of molecular-scale stripe structures. In addition, NC-AFM images of the first monolayer suggest a strong electrostatic interaction between the molecule in the layer and the AFM probe tip.

本文言語	English
ページ（範囲）	103-108
ページ数	6
ジャーナル	Surface Science
巻	516
号	1-2
DOI	https://doi.org/10.1016/S0039-6028(02)01876-9
出版ステータス	Published - 2002 9月 10
外部発表	はい

ASJC Scopus subject areas

凝縮系物理学
表面および界面
表面、皮膜および薄膜
材料化学

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10.1016/S0039-6028(02)01876-9

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@article{85b667adb80240dcb629a83e890fa4bb,

title = "Molecular-scale non-contact AFM studies of ferroelectric organic thin films epitaxially grown on alkali halides",

abstract = "Epitaxially grown vinylidene fluoride oligomer thin films formed on KCl(0 0 1) surfaces were investigated by ultrahigh vacuum non-contact AFM (UHV-NC-AFM). Molecularly resolved NC-AFM images of organic thin layers on insulating surfaces were successfully obtained for the first time, which revealed the epitaxial growth process on a molecular-scale. It was found that the first monolayer formed on KCl(0 0 1) surface was composed of characteristic honeycomb-like structures while the following upper molecular layers consist of molecular-scale stripe structures. In addition, NC-AFM images of the first monolayer suggest a strong electrostatic interaction between the molecule in the layer and the AFM probe tip.",

keywords = "Alkali halides, Atomic force microscopy, Epitaxy, Insulating surfaces, Surface structure, morphology, roughness, and topography",

author = "T. Fukuma and K. Kobayashi and K. Noda and K. Ishida and T. Horiuchi and H. Yamada and K. Matsushige",

note = "Funding Information: The support of Kyoto University Venture Business Laboratory (KU-VBL), a Grant-in-Aid from the Ministry of Education, Science, Sports and Culture of Japan and Research Fellowships of the Japan Society for the Promotion of Science for Young Scientists are gratefully acknowledged.",

year = "2002",

month = sep,

day = "10",

doi = "10.1016/S0039-6028(02)01876-9",

language = "English",

volume = "516",

pages = "103--108",

journal = "Surface Science",

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TY - JOUR

T1 - Molecular-scale non-contact AFM studies of ferroelectric organic thin films epitaxially grown on alkali halides

AU - Fukuma, T.

AU - Kobayashi, K.

AU - Noda, K.

AU - Ishida, K.

AU - Horiuchi, T.

AU - Yamada, H.

AU - Matsushige, K.

N1 - Funding Information: The support of Kyoto University Venture Business Laboratory (KU-VBL), a Grant-in-Aid from the Ministry of Education, Science, Sports and Culture of Japan and Research Fellowships of the Japan Society for the Promotion of Science for Young Scientists are gratefully acknowledged.

PY - 2002/9/10

Y1 - 2002/9/10

N2 - Epitaxially grown vinylidene fluoride oligomer thin films formed on KCl(0 0 1) surfaces were investigated by ultrahigh vacuum non-contact AFM (UHV-NC-AFM). Molecularly resolved NC-AFM images of organic thin layers on insulating surfaces were successfully obtained for the first time, which revealed the epitaxial growth process on a molecular-scale. It was found that the first monolayer formed on KCl(0 0 1) surface was composed of characteristic honeycomb-like structures while the following upper molecular layers consist of molecular-scale stripe structures. In addition, NC-AFM images of the first monolayer suggest a strong electrostatic interaction between the molecule in the layer and the AFM probe tip.

AB - Epitaxially grown vinylidene fluoride oligomer thin films formed on KCl(0 0 1) surfaces were investigated by ultrahigh vacuum non-contact AFM (UHV-NC-AFM). Molecularly resolved NC-AFM images of organic thin layers on insulating surfaces were successfully obtained for the first time, which revealed the epitaxial growth process on a molecular-scale. It was found that the first monolayer formed on KCl(0 0 1) surface was composed of characteristic honeycomb-like structures while the following upper molecular layers consist of molecular-scale stripe structures. In addition, NC-AFM images of the first monolayer suggest a strong electrostatic interaction between the molecule in the layer and the AFM probe tip.

KW - Alkali halides

KW - Atomic force microscopy

KW - Epitaxy

KW - Insulating surfaces

KW - Surface structure, morphology, roughness, and topography

UR - http://www.scopus.com/inward/record.url?scp=0037056229&partnerID=8YFLogxK

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U2 - 10.1016/S0039-6028(02)01876-9

DO - 10.1016/S0039-6028(02)01876-9

M3 - Article

AN - SCOPUS:0037056229

VL - 516

SP - 103

EP - 108

JO - Surface Science

JF - Surface Science

SN - 0039-6028

IS - 1-2

ER -

Molecular-scale non-contact AFM studies of ferroelectric organic thin films epitaxially grown on alkali halides

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