SURFACE STUDIES OF ZINC-OXIDE GROWTH ON CU(110)

被引：39

作者：

FU, SS

SOMORJAI, GA

机构：

[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,DIV CHEM & MAT SCI,BERKELEY,CA 94720

[2] UNIV CALIF BERKELEY,DEPT CHEM,BERKELEY,CA 94720

来源：

SURFACE SCIENCE | 1990年 / 237卷 / 1-3期

关键词：

D O I：

10.1016/0039-6028(90)90521-9

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：

Submonolayers to multilayers of zinc and oxygen deposited in UHV on Cu(110) were characterized by Auger electron spectroscopy (AES), low energy electron diffraction (LEED), and temperature programmed desorption (TPD) of CO, CO2 and zinc. Carbon monoxide adsorbs will on copper at 150 K but only poorly on the oxides of copper and zinc. Carbon dioxide adsorbs on zinc oxide at 150 K but not on copper or oxidized copper. We used a combination of CO and CO2 adsorption to follow the initial growth of two-dimensional ZnOx islands and the effect of heat and oxygen treatments on these two-dimensional islands. It is shown that heating above 300 K leads irreversibly to three-dimensional islands formation. © 1990.

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页码：87 / 98

页数：12

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