Imaging the atomic-scale structure of vanadia powder surface using ambient atomic force microscopy

被引:13
|
作者
Mathieu, C
Peralta, S
Da Costa, A
Barbaux, Y
机构
[1] LPCIA, URA CNRS 402, Université d'Artois
关键词
atomic force microscopy; diffuse reflectance infrared Fourier transform spectroscopy; temperature programmed desorption; vanadium oxide; water adsorption;
D O I
10.1016/S0039-6028(97)00805-4
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
Constant force images of vanadia powder were recorded in ambient conditions with atomic force microscopy. Atomic-scale observations of the (001) surface powder were obtained. The images reveal differences from the ideal structure which are attributed to the presence of adsorbed molecular water. A diffuse reflectance infrared Fourier transform spectroscopy study confirms this hypothesis and an adsorption model is proposed. (C) 1998 Elsevier Science B.V.
引用
收藏
页码:L201 / L206
页数:6
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