نتایج جستجو برای: mgo nanoclusters
تعداد نتایج: 10368 فیلتر نتایج به سال:
Recently there has been a surge in research pertaining to the physical and chemical properties of gold nanoclusters. Unlike supported particles of larger sizes, or extended solid surfaces1,2 small metal clusters adsorbed on support materials were found to exhibit unique properties that originate from the highly reduced dimensions of the individual metal aggregates.3-8 In particular we note here...
In their rocksalt structure, rare-earth monosulfides offer a more stable alternative to alkali metals to attain low or negative electron affinity when deposited on various III-V and II-VI semiconductor surfaces. In this article, the authors first describe the successful deposition of lanthanum monosulfide via pulsed laser deposition on Si and MgO substrates. These thin films have been character...
The enhancement by water molecules of the catalytic activity of gas-phase and supported gold nanoclusters toward CO oxidation is investigated with first-principles calculations. Coadsorption of H(2)O and O(2) leads to formation of a complex well bound to the gold cluster, even on a defect-free MgO(100) support. Formation of the complex involves partial proton sharing between the adsorbates, tha...
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