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首页> 外文期刊>Chemical Physics Letters >Nitrogen adsorption on supported size-selected tungsten nanoclusters as studied by X-ray photoelectron and X-ray excited Auger electron spectroscopies
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Nitrogen adsorption on supported size-selected tungsten nanoclusters as studied by X-ray photoelectron and X-ray excited Auger electron spectroscopies

机译:X射线光电子和X射线激发俄歇电子能谱研究了在支持的尺寸选择的钨纳米团簇上的氮吸附

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摘要

Adsorption states of nitrogen on tungsten pentamers supported on a highly oriented pyrolytic graphite surface have been investigated using X-ray photoelectron spectroscopy and X-ray excited Auger electron spectroscopy. An adsorption state that is not seen on a bulk polycrystalline tungsten surface was observed at temperatures below room temperature. It has been found that the adsorption state is a molecular state and is a precursor to dissociation of N-2 on the tungsten nanocluster. (C) 2003 Elsevier B.V. All rights reserved. [References: 27]
机译:使用X射线光电子能谱和X射线激发俄歇电子能谱研究了氮在高取向热解石墨表面上负载的钨五聚体上的吸附状态。在低于室温的温度下观察到在块状多晶钨表面上看不到的吸附状态。已经发现,吸附态是分子态并且是N-2在钨纳米簇上解离的前体。 (C)2003 Elsevier B.V.保留所有权利。 [参考:27]

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