HUSCAP logo Hokkaido Univ. logo

Hokkaido University Collection of Scholarly and Academic Papers >
Institute for Catalysis >
Peer-reviewed Journal Articles, etc >

Surface phase transitions of Pt(110) studied by desorption dynamics of product CO2 in steady-state CO oxidation

Files in This Item:
JVS&TA-VSF20(4).pdf239.1 kBPDFView/Open
Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/5734

Title: Surface phase transitions of Pt(110) studied by desorption dynamics of product CO2 in steady-state CO oxidation
Authors: Rzeznicka, I. Browse this author
Morales de la Garza, L. Browse this author
Matsushima, T.3 Browse this author →KAKEN DB
Authors(alt): 松島, 龍夫3
Issue Date: Jul-2002
Publisher: AVS Science & Technology of Materials, Interfaces, and Processing
Journal Title: Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films
Volume: 20
Issue: 4
Start Page: 1475
End Page: 1480
Publisher DOI: 10.1116/1.1488945
Abstract: The transformation of (1×2) into (1×1) on a Pt(110) surface in the course of CO oxidation was studied through the analysis of both angular and velocity distributions of desorbing product CO2 and low-energy electron diffraction (LEED) intensity. The intensity of half-order LEED spots decreased quickly, showing the beginning of the transformation of (1×2)→(1×1) just below the kinetic transition, where the rate-determining step switched from CO adsorption to O2 dissociation. On the other hand, the angular distribution of desorbing CO2 sharply changed at a CO pressure far above the kinetic transition, where (1×2) domains disappeared. Below this approximate CO pressure, CO2 was mostly formed on (1×2) domains regardless of its reduced area.
Type: article
URI: http://hdl.handle.net/2115/5734
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松島 龍夫

Export metadata:

OAI-PMH ( junii2 , jpcoar )

MathJax is now OFF:


 

 - Hokkaido University