Formation of regular surface-supported mesostructures with periodicity controlled by chemical reaction rate

被引：21
|
作者：
Locatelli, A. [1 ]
Mentes, T. O. [1 ]
Aballe, L. [1 ]
Mikhailov, A. [1 ]
Kiskinova, M. [1 ]
机构：
[1] Sincrotrone Trieste, I-34012 Trieste, Italy
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 39期
关键词：
D O I：
10.1021/jp065090u
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report a LEEM and XPEEM study of the formation of a variety of stationary two-dimensional metallic and oxygen structures in Au and Au + Pd adlayers on Rh(110) during water formation reaction. They result from chemically frozen spinodal decomposition and are created, preserved, or reversibly modified by tuning the reaction conditions. The wavelength of lamellar structures obtained at intermediate metal coverage is found to obey a power scaling law with respect to the reaction rate.
引用
收藏
页码：19108 / 19111
页数：4
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