Surface species formed by the adsorption and dissociation of water molecules on a Ru(0001) surface containing a small coverage of carbon atoms studied by scanning tunneling microscopy

Tomoko K. Shimizu; Aitor Mugarza; Jorge I. Cerdá; Markus Heyde; Yabing Qi; Udo D. Schwarz; D. Frank Ogletree; Miquel Salmeron

doi:10.1021/jp711097j

Surface species formed by the adsorption and dissociation of water molecules on a Ru(0001) surface containing a small coverage of carbon atoms studied by scanning tunneling microscopy

Tomoko K. Shimizu, Aitor Mugarza, Jorge I. Cerdá, Markus Heyde, Yabing Qi, Udo D. Schwarz, D. Frank Ogletree, Miquel Salmeron

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

46 Citations (Scopus)

Abstract

The adsorption and dissociation of water on a Ru(0001) surface containing a small amount (≤3%) of carbon impurities was studied by scanning tunneling microscopy (STM). Various surface species are formed depending on the temperature. These include molecular H₂O, H₂O-C complexes, H, O, OH, and CH. Clusters of either pure H₂O or mixed H ₂O-OH species are also formed. Each of these species produces a characteristic contrast in the STM images and can be identified by experiment and by ab initio total energy calculations coupled with STM image simulations. Manipulation of individual species via excitation of vibrational modes with the tunneling electrons was used as supporting evidence.

Original language	English
Pages (from-to)	7445-7454
Number of pages	10
Journal	Journal of Physical Chemistry C
Volume	112
Issue number	19
DOIs	https://doi.org/10.1021/jp711097j
Publication status	Published - 2008 May 15
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy(all)
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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Shimizu, T. K., Mugarza, A., Cerdá, J. I., Heyde, M., Qi, Y., Schwarz, U. D., Ogletree, D. F., & Salmeron, M. (2008). Surface species formed by the adsorption and dissociation of water molecules on a Ru(0001) surface containing a small coverage of carbon atoms studied by scanning tunneling microscopy. Journal of Physical Chemistry C, 112(19), 7445-7454. https://doi.org/10.1021/jp711097j

Surface species formed by the adsorption and dissociation of water molecules on a Ru(0001) surface containing a small coverage of carbon atoms studied by scanning tunneling microscopy. / Shimizu, Tomoko K.; Mugarza, Aitor; Cerdá, Jorge I. et al.

In: Journal of Physical Chemistry C, Vol. 112, No. 19, 15.05.2008, p. 7445-7454.

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

Shimizu, TK, Mugarza, A, Cerdá, JI, Heyde, M, Qi, Y, Schwarz, UD, Ogletree, DF & Salmeron, M 2008, 'Surface species formed by the adsorption and dissociation of water molecules on a Ru(0001) surface containing a small coverage of carbon atoms studied by scanning tunneling microscopy', Journal of Physical Chemistry C, vol. 112, no. 19, pp. 7445-7454. https://doi.org/10.1021/jp711097j

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AU - Heyde, Markus

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Surface species formed by the adsorption and dissociation of water molecules on a Ru(0001) surface containing a small coverage of carbon atoms studied by scanning tunneling microscopy

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