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What is Zone Melting: Crystal Purification Method about?
Zone melting is a technique used to purify crystals and distribute impurities evenly. It involves melting a narrow zone of a crystal and slowly moving it through the ingot, which allows impurities to concentrate in the liquid zone and be left behind in a more pure solidified section. William Pfann developed it at Bell Labs to purify germanium for making transistors. The molten zone is created and moved using various heating methods, and impurities are removed by concentrating them in the liquid and solidify
- Author
- pradyumnavaikunt
- Language
- EN