Combined structure analysis of STM and surface XAFS for self-assembly of metal-thiolate complex at equilibrium: Hexanethiolate on Cu(1 1 1)

Mathias Laurin; Xiang Shao; Yuuichi Fujimori; A. Nojima; E. O. Sako; J. Miyawaki; M. Shimojo; Yasuhiro Iwasawa; Toshiaki Ohta; Hiroshi Kondoh

doi:10.1016/j.elspec.2009.02.006

Combined structure analysis of STM and surface XAFS for self-assembly of metal-thiolate complex at equilibrium: Hexanethiolate on Cu(1 1 1)

Mathias Laurin, Xiang Shao, Yuuichi Fujimori, A. Nojima, E. O. Sako, J. Miyawaki, M. Shimojo, Yasuhiro Iwasawa, Toshiaki Ohta, Hiroshi Kondoh

Department of Chemistry

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

The structure of 1-hexanethiolate (C₆H₁₃S) self-assembled monolayers adsorbed onto a Cu(1 1 1) surface was studied with a combination of scanning tunneling microscopy (STM), and carbon and sulfur K-edge X-ray absorption fine structure (XAFS) experiments. S K-XAFS confirmed that sulfur adsorbs onto deep three-fold hollow sites. Moreover, these sites appear to shrink with a small anisotropy between adsorption and equilibrium. STM further revealed three different ordered superstructures. Finally, a single long-range ordered phase exhibiting a striped moiré pattern is imaged at thermodynamic equilibrium.

Original language	English
Pages (from-to)	88-94
Number of pages	7
Journal	Journal of Electron Spectroscopy and Related Phenomena
Volume	172
Issue number	1-3
DOIs	https://doi.org/10.1016/j.elspec.2009.02.006
Publication status	Published - 2009 May 1

Keywords

Cu(1 1 1)
Extended X-ray absorption fine structure
Hexanethiolate
Scanning tunneling microscopy
Self-assembled monolayer

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Radiation
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Spectroscopy
Physical and Theoretical Chemistry

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Laurin, M., Shao, X., Fujimori, Y., Nojima, A., Sako, E. O., Miyawaki, J., Shimojo, M., Iwasawa, Y., Ohta, T., & Kondoh, H. (2009). Combined structure analysis of STM and surface XAFS for self-assembly of metal-thiolate complex at equilibrium: Hexanethiolate on Cu(1 1 1). Journal of Electron Spectroscopy and Related Phenomena, 172(1-3), 88-94. https://doi.org/10.1016/j.elspec.2009.02.006

Combined structure analysis of STM and surface XAFS for self-assembly of metal-thiolate complex at equilibrium : Hexanethiolate on Cu(1 1 1). / Laurin, Mathias; Shao, Xiang; Fujimori, Yuuichi; Nojima, A.; Sako, E. O.; Miyawaki, J.; Shimojo, M.; Iwasawa, Yasuhiro; Ohta, Toshiaki; Kondoh, Hiroshi.

In: Journal of Electron Spectroscopy and Related Phenomena, Vol. 172, No. 1-3, 01.05.2009, p. 88-94.

Research output: Contribution to journal › Article

Laurin, M, Shao, X, Fujimori, Y, Nojima, A, Sako, EO, Miyawaki, J, Shimojo, M, Iwasawa, Y, Ohta, T & Kondoh, H 2009, 'Combined structure analysis of STM and surface XAFS for self-assembly of metal-thiolate complex at equilibrium: Hexanethiolate on Cu(1 1 1)', Journal of Electron Spectroscopy and Related Phenomena, vol. 172, no. 1-3, pp. 88-94. https://doi.org/10.1016/j.elspec.2009.02.006

Laurin, Mathias ; Shao, Xiang ; Fujimori, Yuuichi ; Nojima, A. ; Sako, E. O. ; Miyawaki, J. ; Shimojo, M. ; Iwasawa, Yasuhiro ; Ohta, Toshiaki ; Kondoh, Hiroshi. / Combined structure analysis of STM and surface XAFS for self-assembly of metal-thiolate complex at equilibrium : Hexanethiolate on Cu(1 1 1). In: Journal of Electron Spectroscopy and Related Phenomena. 2009 ; Vol. 172, No. 1-3. pp. 88-94.

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abstract = "The structure of 1-hexanethiolate (C6H13S) self-assembled monolayers adsorbed onto a Cu(1 1 1) surface was studied with a combination of scanning tunneling microscopy (STM), and carbon and sulfur K-edge X-ray absorption fine structure (XAFS) experiments. S K-XAFS confirmed that sulfur adsorbs onto deep three-fold hollow sites. Moreover, these sites appear to shrink with a small anisotropy between adsorption and equilibrium. STM further revealed three different ordered superstructures. Finally, a single long-range ordered phase exhibiting a striped moir{\'e} pattern is imaged at thermodynamic equilibrium.",

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AU - Miyawaki, J.

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