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首页> 外文期刊>Physical review >Adsorption and diffusion of a molybdenum atom on the TiO_2(110) surface: A first-principles study
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Adsorption and diffusion of a molybdenum atom on the TiO_2(110) surface: A first-principles study

机译:TiO_2(110)表面上钼原子的吸附和扩散:第一性原理研究

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摘要

A study on the structure and energetics of a single molybdenum atom adsorbed on the TiO_2(110) surface is reported. All possible adsorption sites have been determined. Moreover, it is found that incorporation of the Mo atom into the first surface layer leads to considerably more stable structures than on any adsorption site. Different channels for migration of the molybdenum atom have been identified. The diffusion barriers of these channels have been determined. The results on structure and energetics are discussed by analyzing the electronic properties of the Mo/TiO_2(110) systems.
机译:报道了对单个钼原子吸附在TiO_2(110)表面的结构和能量的研究。已确定所有可能的吸附位点。此外,发现将Mo原子结合到第一表面层中导致比在任何吸附位点上稳定得多的结构。已经确定了钼原子迁移的不同途径。这些通道的扩散势垒已经确定。通过分析Mo / TiO_2(110)体系的电子性能,讨论了结构和能量学方面的结果。

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