期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.048301
关键词
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资金
- U.S. National Science Foundation [CBET 1033349]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1033349] Funding Source: National Science Foundation
The nucleation kinetics of the rotator phase in hard cuboctahedra, truncated octahedra, and rhombic dodecahedra is simulated via a combination of forward flux sampling and umbrella sampling. For comparable degrees of supersaturation, the polyhedra are found to have significantly lower free-energy barriers and faster nucleation rates than hard spheres. This difference primarily stems from localized orientational ordering, which steers polyhedral particles to pack more efficiently. Orientational order hence fosters here the growth of orientationally disordered nuclei.
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