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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Nano-forming of the rare earth La-based metallic glass
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Nano-forming of the rare earth La-based metallic glass

机译：稀土洛基金属玻璃纳米形成

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摘要

Due to the unique physical and chemical properties of rare earth elements, rare earth compounds have been widely applied in many fields, such as optics, information, permanent magnet, energy, catalysis, biology and other fields. As an efficient strategy that could strongly adjust material performance, developing controllable nano-engineering method for rare earth alloys is of great significance. In the present work, we show that uniform and controllable nanowires can be readily fabricated on the surface of La-based metallic glasses. The forming mechanism was investigated and it is found that the viscous metallic glass exhibited Newtonian flow during the forming process. Owing to the unique nano-structures, the wettability could be greatly adjusted. The contact angle changed from 82 +/- 1 degrees of the smooth surface to 24 +/- 1 degrees of the structured surface. Our results throw lights on the extensive applications of rare earth nano-structures in many fields.
机译：由于稀土元素独特的物理化学性质，稀土化合物在光学、信息、永磁、能源、催化、生物等领域有着广泛的应用。作为一种能有效调节材料性能的有效策略，开发稀土合金可控纳米工程方法具有重要意义。在目前的工作中，我们发现在La基金属玻璃表面可以很容易地制备出均匀可控的纳米线。对其形成机理进行了研究，发现粘性金属玻璃在形成过程中呈现牛顿流动。由于独特的纳米结构，润湿性可以大大调整。接触角从光滑表面的82+/-1度变为结构化表面的24+/-1度。我们的研究结果为稀土纳米结构在许多领域的广泛应用提供了依据。

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