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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Breakdown of the Hume-Rothery Rules in Sub-Nanometer-Sized Ta-Containing Bimetallic Small Clusters
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Breakdown of the Hume-Rothery Rules in Sub-Nanometer-Sized Ta-Containing Bimetallic Small Clusters

机译：亚纳米大小的含钽双金属小团簇中休ume-特律规则的分解

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摘要

The Hume-Rothery rules are empirical rules to predict the solid solubility of metals. We examined whether the rules hold for sub-nanometer-sized small particles. We prepared bimetallic cluster ions in the gas phase by a double laser ablation technique. Taking advantage of the magic compositions of the bimetallic cluster ions relating to the distinguished stabilities, the coalescence or the segregation of Ta and another element in the sub-nanometer-sized clusters was discussed. It was found that W, Nb, and Mo readily coalesce with Ta, while Ag, Al, Au, Co, Cu, Fe, Hf, Ni, Pt, Ti, and V are segregated from Ta. On the basis of these results, we concluded that the Hume-Rothery rules do not hold for sub-nanometer-sized particles.
机译：Hume-Rothery规则是用来预测金属固溶性的经验规则。我们检查了规则是否适用于亚纳米大小的小颗粒。我们通过双激光烧蚀技术制备了气相中的双金属簇离子。利用双金属团簇离子的神奇组成与出色的稳定性有关，讨论了Ta和另一种元素在亚纳米级团簇中的聚结或偏析。发现W，Nb和Mo容易与Ta结合，而Ag，Al，Au，Co，Cu，Fe，Hf，Ni，Pt，Ti和V与Ta分离。根据这些结果，我们得出结论：休ume-罗西规则不适用于亚纳米级的粒子。

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