熔化温度
材料科学
粒子(生态学)
蒙特卡罗方法
化学物理
统计物理学
结晶学
物理
化学
地质学
数学
海洋学
统计
复合材料
出处
期刊:Matter
[Elsevier]
日期:2024-01-01
卷期号:7 (1): 19-22
标识
DOI:10.1016/j.matt.2023.12.013
摘要
In contrast to three-dimensional (3D) crystals that melt via a first-order transition, 2D crystals can exhibit various melting scenarios under different temperatures, pressures, and particle interactions, particularly when they can form partially ordered intermediate phases between crystal and liquid. The existing 2D melting theories predict some scenarios but do not exclude other possibilities. A recent simulation observed five melting scenarios, including two new types, by tuning the shape of polygonal particles. In contrast to three-dimensional (3D) crystals that melt via a first-order transition, 2D crystals can exhibit various melting scenarios under different temperatures, pressures, and particle interactions, particularly when they can form partially ordered intermediate phases between crystal and liquid. The existing 2D melting theories predict some scenarios but do not exclude other possibilities. A recent simulation observed five melting scenarios, including two new types, by tuning the shape of polygonal particles. Five scenarios revealed by hard truncated rhombs for an expanded picture of two-dimensional meltingJiang et al.Cell Reports Physical ScienceOctober 9, 2023In BriefUsing Monte Carlo simulations, Jiang et al. investigate the melting behavior of truncated rhombs and reveal five two-dimensional melting scenarios. Two previously undisclosed scenarios result from the finely tuned competition between positional and orientational entropy. Full-Text PDF Open Access
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