Lateral displacement by transient mobility in chemisorption of CO on Pt(997).

Yoshinobu, J; Tsukahara, N; Yasui, F; Mukai, K; Yamashita, Y

Yoshinobu, J; Tsukahara, N; Yasui, F; Mukai, K; Yamashita, Y.

Afiliación

Yoshinobu J; The Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8581, Japan. yoshonobu@issp.u-tokyo.ac.jp

Phys Rev Lett ; 90(24): 248301, 2003 Jun 20.

Article en En | MEDLINE | ID: mdl-12857230

RESUMEN

We investigated adsorbed states of CO on Pt(997) at 11 K using infrared reflection absorption spectroscopy. At 11 K, thermal migration is suppressed and thus the initial chemisorption at terrace sites and step sites is controlled by the transient mobility of the adsorbing molecule. The initial occupation ratio between atop CO on the terrace and atop CO at the step is directly determined to be 3.6:1. With a simple isotropic migration model, we estimated the mean lateral displacement from the first impact point to the initial chemisorption site to be 6.8 A. We also discuss the origin of transient mobility of CO on metal surfaces.

Buscar en Google

Añadir a Mi BVS

Imprimir

XML

PubMed Links

Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2003 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos

Buscar en Google

Añadir a Mi BVS

Imprimir

XML

PubMed Links