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A LEIS STUDY OF THE SURFACE-STRUCTURE OF A MOLYBDENUM ON GAMMA-ALUMINA CATALYST

被引：9
作者：
VANLEERDAM, GC
JACOBS, JP
BRONGERSMA, HH
机构：
[1] EINDHOVEN UNIV TECHNOL,FAC PHYS,POB 513,5600 MB EINDHOVEN,NETHERLANDS
[2] EINDHOVEN UNIV TECHNOL,SCHUIT INST CATALYSIS,5600 MB EINDHOVEN,NETHERLANDS
来源：
SURFACE SCIENCE | 1992年 / 268卷 / 1-3期
关键词：
D O I：
10.1016/0039-6028(92)90949-7
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：
The surfaces of a series of MoO3/gamma-Al2O3 catalysts have been studied with low-energy ion scattering. Due to several modifications of the equipment it is possible to determine absolute rather than normalized LEIS-signals. Using this facility, it is found that various frequently given interpretations in LEIS literature on catalysts appear to be incorrect. For the present MoO3/gamma-Al2O3 catalyst it is shown that the support material, which is generally assumed to be inert, has a thermal treatment dependent surface structure. This leads to a completely different model for the surface structure of the catalyst as a function of loading.
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页码：45 / 56
页数：12
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