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The open circles are the volume of the Silicon droplets measured by the TeVi software in pixels. The solid line is the linear fit to determine the thermal expansion coefficient. Onset: time-temperature and time-gravity profile during the processing of a Si sample.
The density at of Si–Ge melt as a function of composition measured under microgravity.
Thermal expansion coefficient of Si, Ge, and Si–Ge alloy melts. The thermal expansion coefficients are measured in the temperature range given in Table I.
The frequency spectrum of levitated melt. The frequency spectrum was obtained by Fourier transforming the oscillation of sample diameter as a function of time. Inset: An image of the levitated droplet. The line on the edges of the image is the polynomial fit.
The composition dependence of surface tension in Si–Ge melts. The filled circles are the results from present experiments and the diamond symbols are the values taken from a MD simulation study (Ref. 19).
Density, temperature, thermal expansion coefficient , and the temperature range in which the liquid Si, Ge, and Si–Ge alloys investigated.
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