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Size effects and embedding in cluster models for hydrogen chemisorption

โœ Scribed by A. Van Der Avoird; H. De Graaf; R. Berns


Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
563 KB
Volume
48
Category
Article
ISSN
0009-2614

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โœฆ Synopsis


In a self-consistent ~alcul.~tlon of hydrogen chcmlrorptlon on "cubium" cluctcrs of vtirious sire we have found that by +cmisorptlon localbcd bonds (surface molcculcQ can be formed, even on brodd band metal% Ihe cluster c~ze rcquucd for chcmisorption studies is Lonsidcrably ICS than for dctcribmg the metalhc properties. 77xoretical models for embeddmg clusters in an underlying sohd should take electron repulsion tams into account to the same level ofapproUmaticm in the clusters a\ m the Mid, since othcrwisc mstabllitics may result from a different screening.


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