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A diagram of the vertical zone refining process used to grow single-crystal ice from an initially polycrystalline material. The convection in the melt
A diagram of the vertical zone refining process used to grow single-crystal ice from an initially polycrystalline material. The convection in the melt is a result of water's density maximum at 4 °C.
Silicon crystal in the beginning of the growth process
Silicon crystal in the beginning of the growth process
Growing silicon crystal
Growing silicon crystal
A high-purity (5N) tantalum single crystal, made by the floating-zone process (cylindrical object in the center)
A high-purity (5N) tantalum single crystal, made by the floating-zone process (cylindrical object in the center)
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Bernal in 1949, photo by Wolfgang Suschitzky
Bernal in 1949, photo by Wolfgang Suschitzky