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The Czochralski method, also Czochralski technique or Czochralski process, is a method of crystal growth used to obtain single crystals of semiconductors (e.g. silicon, germanium and gallium arsenide), metals (e.g. palladium, platinum, silver, gold), salts and synthetic gemstones.
Silicon crystal in the beginning of the growth process Growing silicon crystal. Float-zone silicon is very pure silicon obtained by vertical zone melting.The process was developed at Bell Labs by Henry Theuerer in 1955 as a modification of a method developed by William Gardner Pfann for germanium.
However, there are many other single crystals besides inorganic single crystals capable semiconducting, including single-crystal organic semiconductors. A high-purity (99.999 %) tantalum single crystal, made by the floating zone process , some single crystalline fragments of tantalum, and a high-purity (99.99% = 4N) 1 cm 3 tantalum cube for ...
Cumulate rocks are igneous rocks formed by the accumulation of crystals from a magma either by settling or floating. Cumulate rocks are named according to their texture; cumulate texture is diagnostic of the conditions of formation of this group of igneous rocks. Cumulates can be deposited on top of other older cumulates of different ...
Download QR code; Print/export ... Crystallization is the process by which solids form, ... The video covers an area of 2.0 by 1.5 mm and was captured over 7.2 min.
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The water thread experiment is a phenomenon that occurs when two containers of deionized water, placed on an insulator, are connected by a thread, then a high-voltage positive electric charge is applied to one container, and a negative charge to the other. At a critical voltage, an unsupported water liquid bridge is formed between the ...