‘Crystal Genes’ in Metallic Liquids and Glasses

Yang Sun, Feng Zhang, Zhuo Ye, Yue Zhang, Xiaowei Fang, Zejun Ding, Cai-Zhuang Wang, Mikhail I. Mendelev, Ryan T. Ott, Matthew J. Kramer, Kai-Ming Ho
  • Scientific Reports, March 2016, Springer Science + Business Media
  • DOI: 10.1038/srep23734

Crystalline motifs serve as local ordering in the liquid and glasses

What is it about?

We established a correlation between the energetically favored crystalline motifs and dominant short-range ordering in the liquid and glass with similar chemical compositions.

Why is it important?

I. Our finding gives strong evidence that the local packing in the crystal and liquid/glass states follows a similar rule which is essentially searching for the local minima on the potential energy landscape. These local packing can be the key controlling the phase selection at the far-from-equilibrium state. II. It also demonstrates that there are abundant packing motifs (or short-range ordering) in the metallic liquid/glasses instead of the only icosahedron, due to the change of bonding and chemical compositions.

Perspectives

Yang Sun (Author)

I hope this article makes people further understand the connections between the crystal and glass. There should exist many similar behaviors between this two states.

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http://dx.doi.org/10.1038/srep23734

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