Author

Peng-Fei Guan

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Open access Sep 2026

Liquid-state orientational precursors bias crystal polymorph nucleation.

How crystals emerge from supercooled liquids remains a central problem in condensed-matter physics and a paradigm of first-order phase transitions under metastable conditions. Supercooled liquids often form crystal nuclei that are not the thermodynamically most stable solid, in a manner that cannot be attributed solely...

Si-Min An, Peng-Fei Guan, Xian Zhang et al. · Proceedings of the National... · 0 citations

Open access Sep 2026

Atomic-Scale Stress Delocalization Enabled by Local Chemical Heterogeneity Modulates Brittle-to-Ductile Transition in BCC Multi-Principal Element Alloys

Body-centered cubic (BCC) metals often exhibit limited ductility at finite temperatures, and elemental synergy in multi-principal element alloys (MPEAs) offers a promising route to overcome this limitation. Here, we employ atomistic simulations with a high fidelity machine-learning potential—which outperforms traditi...

Xiao-Tong Li, Bin Xu, Jian Li et al. · Materials Futures · 0 citations