Composition-dependent metallic glass alloys correlate atomic mobility with collective glass surface dynamics.
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Summary
Increasing the proportion of low-mobility copper atoms in La-Ni-Al-Cu alloys reduces the cluster hopping rate, thus establishing a microscopic connection between atomic mobility and dynamics of collective rearrangements at a glass surface made from freshly exposed bulk glass.
- Type
- article
- Published
- 2016-06-22
- Cited by
- 8
- References
- 23
- OpenAlex
- https://openalex.org/W2415487944
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:3094464
Keywords
Amorphous metal, Materials science, Metal, Chemical physics, Dynamics (music)
References
- Supercooled liquids and the glass transition
- Unusual fast secondary relaxation in metallic glass
- Sub-nanometer glass surface dynamics induced by illumination.
- Direct observation of molecular cooperativity near the glass transition
- High surface mobility and fast surface enhanced crystallization of metallic glass
- Bulk metallic glasses
- Direct Visualization of Two-State Dynamics on Metallic Glass Surfaces Well Below Tg
- The energy landscape of glassy dynamics on the amorphous hafnium diboride surface.
- Direct imaging of two-state dynamics on the amorphous silicon surface.
- Effect of physical aging on Johari-Goldstein relaxation in La-based bulk metallic glass.
- On the surface of glasses.
- Communication: An obligatory glass surface.
- Measuring the Surface Dynamics of Glassy Polymers
- Glasses crystallize rapidly at free surfaces by growing crystals upward
- Possible resolution of the Kauzmann paradox in supercooled liquids.
- Communication: Direct determination of triple-point coexistence through cell model simulation.
- A Direct Quantitative Measure of Surface Mobility in a Glassy Polymer
- Compositional origin of unusual β-relaxation properties in La-Ni-Al metallic glasses.
- Ultrahigh stability of atomically thin metallic glasses
- Chemical influence on β-relaxations and the formation of molecule-like metallic glasses
Cited by
- Slow β relaxation in La-based metallic glasses based on mechanical spectroscopy measurements
- The fractal correlation between relaxation dynamics and atomic-level structures observed in metallic glasses by computer simulation.
- Ultrastable metallic glasses formed on cold substrates
- Structural heterogeneities and mechanical behavior of amorphous alloys
- Dynamic relaxations and relaxation-property relationships in metallic glasses
- Metallic glass ultrathin films with hierarchical structure and their dynamic and thermodynamic behavior.
- Multi-scale dynamics at the glassy silica surface.
- Coherent Atomic-Scale Ripples on Metallic Glasses Patterned by Low-Energy Ion Irradiation for Large-Area Surface Structuring
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