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

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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

Cite this

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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10.1016/j.elspec.2009.02.006