Search for adsorption potential energy minima of NO on Pt(9 9 7) at 11 K

N. Tsukahara; K. Mukai; Y. Yamashita; J. Yoshinobu

doi:10.1016/j.susc.2006.01.060

Search for adsorption potential energy minima of NO on Pt(9 9 7) at 11 K

N. Tsukahara, K. Mukai, Y. Yamashita, J. Yoshinobu

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

6 Citations (Scopus)

Abstract

We observed four kinds of adsorbed NO molecules on Pt(9 9 7) at 11 K using infrared reflection absorption spectroscopy (IRAS). The peaks at 1690, 1484 and 1615 cm^-1 are assigned to the N-O stretching modes of the on-top site and the hollow site on the terrace and the bridge site at the step, respectively. The 1385 cm^-1 peak is observed below ∼70 K. We assign the 1385 cm^-1 peak to the hollow site of the (1 1 1) microfacet at the step or the lower-terrace hollow site nearest to the step. By heating, site-to-site hopping to the more stable site occurs and the relative stability of four adsorption sites can be determined.

Original language	English
Pages (from-to)	3560-3563
Number of pages	4
Journal	Surface Science
Volume	600
Issue number	18
DOIs	https://doi.org/10.1016/j.susc.2006.01.060
Publication status	Published - 2006 Sep 15

Keywords

Adsorption
Infrared absorption spectroscopy
Nitric monoxide
Platinum
Step surface

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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title = "Search for adsorption potential energy minima of NO on Pt(9 9 7) at 11 K",

abstract = "We observed four kinds of adsorbed NO molecules on Pt(9 9 7) at 11 K using infrared reflection absorption spectroscopy (IRAS). The peaks at 1690, 1484 and 1615 cm-1 are assigned to the N-O stretching modes of the on-top site and the hollow site on the terrace and the bridge site at the step, respectively. The 1385 cm-1 peak is observed below ∼70 K. We assign the 1385 cm-1 peak to the hollow site of the (1 1 1) microfacet at the step or the lower-terrace hollow site nearest to the step. By heating, site-to-site hopping to the more stable site occurs and the relative stability of four adsorption sites can be determined.",

keywords = "Adsorption, Infrared absorption spectroscopy, Nitric monoxide, Platinum, Step surface",

author = "N. Tsukahara and K. Mukai and Y. Yamashita and J. Yoshinobu",

note = "Funding Information: This work was partly supported by Toray Science Foundation. One of the authors (N.T.) wishes to acknowledge the support of the JSPS (Japan Society for the Promotion of Science) Research Fellowship for Young Scientists. ",

year = "2006",

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day = "15",

doi = "10.1016/j.susc.2006.01.060",

language = "English",

volume = "600",

pages = "3560--3563",

journal = "Surface Science",

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TY - JOUR

T1 - Search for adsorption potential energy minima of NO on Pt(9 9 7) at 11 K

AU - Tsukahara, N.

AU - Mukai, K.

AU - Yamashita, Y.

AU - Yoshinobu, J.

N1 - Funding Information: This work was partly supported by Toray Science Foundation. One of the authors (N.T.) wishes to acknowledge the support of the JSPS (Japan Society for the Promotion of Science) Research Fellowship for Young Scientists.

PY - 2006/9/15

Y1 - 2006/9/15

N2 - We observed four kinds of adsorbed NO molecules on Pt(9 9 7) at 11 K using infrared reflection absorption spectroscopy (IRAS). The peaks at 1690, 1484 and 1615 cm-1 are assigned to the N-O stretching modes of the on-top site and the hollow site on the terrace and the bridge site at the step, respectively. The 1385 cm-1 peak is observed below ∼70 K. We assign the 1385 cm-1 peak to the hollow site of the (1 1 1) microfacet at the step or the lower-terrace hollow site nearest to the step. By heating, site-to-site hopping to the more stable site occurs and the relative stability of four adsorption sites can be determined.

AB - We observed four kinds of adsorbed NO molecules on Pt(9 9 7) at 11 K using infrared reflection absorption spectroscopy (IRAS). The peaks at 1690, 1484 and 1615 cm-1 are assigned to the N-O stretching modes of the on-top site and the hollow site on the terrace and the bridge site at the step, respectively. The 1385 cm-1 peak is observed below ∼70 K. We assign the 1385 cm-1 peak to the hollow site of the (1 1 1) microfacet at the step or the lower-terrace hollow site nearest to the step. By heating, site-to-site hopping to the more stable site occurs and the relative stability of four adsorption sites can be determined.

KW - Adsorption

KW - Infrared absorption spectroscopy

KW - Nitric monoxide

KW - Platinum

KW - Step surface

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U2 - 10.1016/j.susc.2006.01.060

DO - 10.1016/j.susc.2006.01.060

M3 - Article

AN - SCOPUS:33749135205

VL - 600

SP - 3560

EP - 3563

JO - Surface Science

JF - Surface Science

SN - 0039-6028

IS - 18

ER -

Search for adsorption potential energy minima of NO on Pt(9 9 7) at 11 K

Abstract

Keywords

ASJC Scopus subject areas

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