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Confined in-fiber solidification and structural control of silicon and silicon−germanium microparticles

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Academic year: 2021

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Figure

Fig. 1. Si 0.5 Ge 0.5 heterostructured cellular composition structure particle fabrication
Fig. 3. Controlling the structure of SiGe microspheres. (A and D) Flame- Flame-induced and (B and E) laser- induced stable solid − liquid interface  solid-ifcation of (A and B) Si 0.75 Ge 0.25 and (D and E) Si 0.95 Ge 0.05 binary alloy  micro-spheres
Fig. 4. Theoretical computation of the solidification front propagation velocity. (A) The calculated steady-state temperature of the 3D geometry that was modeled: a 100- μ m-diameter Si sphere, encapsulated within a 550- μ m-diameter silica fiber section o
Fig. 5. Basic concept of stress development. (A) Schematics of breakup (Left), and evolution of aggregation and stress conditions of the breaking-up core material (Right): (1) Premelted core is solid
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