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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Formation of Core-Shell Ethane-Silver Clusters in He Droplets
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Formation of Core-Shell Ethane-Silver Clusters in He Droplets

机译：在他的液滴形成核 - 壳乙烷 - 银簇

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摘要

Ethane core-silver shell clusters consisting of several thousand particles have been assembled in helium droplets upon capture of ethane molecules followed by Ag atoms. The composite clusters were studied via infrared laser spectroscopy in the range of the C-H stretching vibrations of ethane. The spectra reveal a splitting of the vibrational bands, which is ascribed to interaction with Ag. A rigorous analysis of band intensities for a varying number of trapped ethane molecules and Ag atoms indicates that the composite clusters consist of a core of ethane that is covered by relatively small Ag clusters. This metastable structure is stabilized due to fast dissipation in superfluid helium droplets of the cohesion energy of the clusters.
机译：由几千颗粒组成的乙烷芯银壳簇在捕获乙烷分子后，在氦液滴中组装在氦气液滴之后。 通过红外激光光谱研究复合簇在乙烷的C-H拉伸振动的范围内。 光谱揭示了振动带的分裂，其归因于与AG相互作用。 对不同数量捕获的乙烷分子和Ag原子的带强度的严格分析表明复合簇由相对小的Ag簇覆盖的乙烷核心。 由于簇的凝聚力的超流氦液滴的快速耗散，这种稳定结构稳定。

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