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cond-mat.mtrl-sci2026
Unveiling and quantifying the topology-dependent pre-melting of nanoparticles
Marthe Bideault, Arnaud Allera, Ryoji Asahi +2
The melting of metallic nanoparticles is governed by surface premelting, a phenomenon traditionally modeled as the isotropic growth of a uniform liquid shell. Challenging this clas…
cond-mat.mtrl-sci2024
Polyvalent Machine-Learned Potential for Cobalt: from Bulk to Nanoparticles
Marthe Bideault, Jérôme Creuze, Ryoji Asahi +1
We present the development and applications of a quadratic Spectral Neighbor Analysis Potential (q-SNAP) for ferromagnetic cobalt. Trained on Density Functional Theory calculations…