Mapping metastability of Lennard-Jones clusters by maximum vibrational frequency
Mapping metastability of Lennard-Jones clusters by maximum vibrational frequency
复制标题
通过最大振动频率绘制 Lennard-Jones 团簇的亚稳定性
DOI:
10.1103/physrevb.105.134104
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发表时间:
2022
影响因子:
3.7
通讯作者:
Ono Shota
中科院分区:
文献类型:
--
作者:
Shoya Narita;Otomi Shinohara;Mitsuteru Nakamura;Masahito Yoshizawa;Yuta Kimura;Rie Y. Umetsu;Yoshiya Adachi;Xiao Xu;and Yoshiki Nakanishi;Ono Shota
We study the structure-stability relationship of Lennard-Jones (LJ) clusters from a point of view of vibrations. By assuming the size up to, we demonstrate that thedependence of the maximum vibrational frequency reflects the geometry of the core (the interior of a cluster) that will determine the overall geometry of the cluster. This allows us to identify the formation of nonicosahedral structures for, the vacancy formation at the core for, and the transition from icosahedral to decahedral structures at. We apply the maximum frequency analysis to classify metastable clusters for, where transformation pathways between different structures are visualized, and the energy barrier height is estimated simultaneously.
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