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 › peer-review

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

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, 05.2009, p. 88-94.

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

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

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.",

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

author = "Mathias Laurin and Xiang Shao and Yuuichi Fujimori and A. Nojima and Sako, {E. O.} and J. Miyawaki and M. Shimojo and Yasuhiro Iwasawa and Toshiaki Ohta and Hiroshi Kondoh",

note = "Funding Information: This work was supported by the grant-in-aid for scientific research No. 15350008 and No. 17205002 from the Ministry of Education, Culture, Sports, Science and Technology. The present study has been performed under the approval of the Photon Factory advisory committee (PF PAC No. 203G265). M.L. gratefully acknowledges the Japanese Society for the Promotion of Science (JSPS) for a 24 months postdoctoral fellowship.",

year = "2009",

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doi = "10.1016/j.elspec.2009.02.006",

language = "English",

volume = "172",

pages = "88--94",

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T2 - Hexanethiolate on Cu(1 1 1)

AU - Laurin, Mathias

AU - Shao, Xiang

AU - Fujimori, Yuuichi

AU - Nojima, A.

AU - Sako, E. O.

AU - Miyawaki, J.

AU - Shimojo, M.

AU - Iwasawa, Yasuhiro

AU - Ohta, Toshiaki

AU - Kondoh, Hiroshi

N1 - Funding Information: This work was supported by the grant-in-aid for scientific research No. 15350008 and No. 17205002 from the Ministry of Education, Culture, Sports, Science and Technology. The present study has been performed under the approval of the Photon Factory advisory committee (PF PAC No. 203G265). M.L. gratefully acknowledges the Japanese Society for the Promotion of Science (JSPS) for a 24 months postdoctoral fellowship.

PY - 2009/5

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N2 - 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.

AB - 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.

KW - Cu(1 1 1)

KW - Extended X-ray absorption fine structure

KW - Hexanethiolate

KW - Scanning tunneling microscopy

KW - Self-assembled monolayer

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

Abstract

Keywords

ASJC Scopus subject areas

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