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首页> 外文期刊>Chinese science bulletin >High resolution electron energy loss spectroscopy study of the oxidation of Nb(110) surface
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High resolution electron energy loss spectroscopy study of the oxidation of Nb(110) surface

机译：Nb（110）表面氧化的高分辨率电子能量损失谱研究

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摘要

NIOBIUM and its oxides are a new kind of materials applied in technical fields, such as catalysis, microelectronics, ceramics and optical glass. In order to understand the surface structure and catalytic activity, much work has been done on the oxidation of niobium. These results indicated that the oxidation process of niobium surface, the distribution and the structure of niobium oxides on the surface are all closely related to the condition of the oxidation process. Due to the high activity of niobium and the complexity of niobium oxide species, up to now there has not been a clear picture of the structure and the forming condition of the niobium oxides. HREELS is a powerful tool to investigate vibrational and structural properties of surface, butthe HREELS study of the oxidation of Nb single crystal by O_2 has never been reported before. In this note we investigated the oxidation of Nb(110) and the structure and adsorption properties of the oxide film using HREELS, UPS and AES.
机译：铌及其氧化物是在催化，微电子，陶瓷和光学玻璃等技术领域中应用的新型材料。为了理解表面结构和催化活性，已经对铌的氧化进行了大量工作。这些结果表明，铌表面的氧化过程，铌氧化物在表面的分布和结构都与氧化过程的条件密切相关。由于铌的高活性和铌氧化物种类的复杂性，到目前为止，铌氧化物的结构和形成条件尚不清楚。 HREELS是研究表面振动和结构性质的有力工具，但以前从未报道过OREE对O_2氧化Nb单晶的HREELS研究。在本文中，我们使用HREELS，UPS和AES研究了Nb（110）的氧化以及氧化膜的结构和吸附性能。

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