Publikation: Appearance of bulk properties in small tungsten oxide clusters
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Contrary to the conventional understanding that atomic clusters usually differ in properties and structure from the bulk constituents of which they are comprised, we show that even a dimer of tungsten oxide (WO3)2 possesses bulklike features and the geometry of a small cluster containing only 4 tungsten and 12 oxygen atoms bears the hallmarks of crystalline tungsten oxide, WO3. This observation, based on a synergistic approach involving mass distributions under quasisteady state conditions, photoelectron spectroscopy, and first principles molecular orbital theory, not only illustrates the existence of a class of strongly covalent or ionic materials whose embryonic forms are tiny clusters but also lends the possibility that a fundamental understanding of complex processes such as catalytic reactions on surfaces may be achieved on an atomic scale with clusters as model systems.
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SUN, Qiang, Bijan K. RAO, Purusottam JENA, Davor STOLCIC, Young Dok KIM, Gerd GANTEFÖR, Albert Welford CASTLEMAN, 2004. Appearance of bulk properties in small tungsten oxide clusters. In: Journal of Chemical Physics. 2004, 121(19), pp. 9417-9422. Available under: doi: 10.1063/1.1807374BibTex
@article{Sun2004Appea-9438, year={2004}, doi={10.1063/1.1807374}, title={Appearance of bulk properties in small tungsten oxide clusters}, number={19}, volume={121}, journal={Journal of Chemical Physics}, pages={9417--9422}, author={Sun, Qiang and Rao, Bijan K. and Jena, Purusottam and Stolcic, Davor and Kim, Young Dok and Ganteför, Gerd and Castleman, Albert Welford} }
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