ArticleScientific reports2020
Nonthermal phase transitions in metals.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Using X-ray free electron lasers to explore extreme states under quasi-static compression.Nature communications · 2026Review
- Picosecond-scale heterogeneous melting of metals at extreme non-equilibrium states.Nature communications · 2025Article
- Thermodynamic properties of CrMnFeCoNi high entropy alloy at elevated electronic temperatures.Scientific reports · 2025Article
- Lattice stability of ultrafast-heated gold.Scientific reports · 2025Article
- Effect of Atomic-Temperature Dependence of the Electron-Phonon Coupling in Two-Temperature Model.Materials (Basel, Switzerland) · 2022Article
- Electron-Phonon Coupling and Nonthermal Effects in Gold Nano-Objects at High Electronic Temperatures.Materials (Basel, Switzerland) · 2022Article
- Energy Relaxation and Electron-Phonon Coupling in Laser-Excited Metals.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
2 authors.
Funding
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Abstract
It is well known that sufficiently thick metals irradiated with ultrafast laser pulses exhibit phonon hardening, in contrast to ultrafast nonthermal melting in covalently bonded materials. It is still an open question how finite size metals react to irradiation. We show theoretically that generally metals, under high electronic excitation, undergo nonthermal phase transitions if material expansion is allowed (e.g. in finite samples). The nonthermal phase transitions are induced via an increase of the electronic pressure which leads to metal expansion. This, in turn, destabilizes the lattice triggering a phase transition without a thermal electron-ion coupling mechanism involved. We find that hexagonal close-packed metals exhibit a diffusionless transition into a cubic phase, whereas metals with a cubic lattice melt. In contrast to covalent solids, nonthermal phase transitions in metals are not ultrafast, predicative on the lattice expansion.
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Registered trials
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