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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

✍ Scribed by Wataru Yamaguchi; Junichi Murakami

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
175 KB
Volume
378
Category
Article
ISSN
0009-2614

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✦ Synopsis

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.

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