Chemical transport reaction

Crystals of Titanium grown using the Van Arkel de Boer process with I2 as the transport agent.

In chemistry, a chemical transport reaction describes a process for purification and crystallization of non-volatile solids. The process is also responsible for certain aspects of mineral growth from the effluent of volcanoes. The technique is distinct from chemical vapor deposition, which usually entails decomposition of molecular precursors (e.g. SiH₄ → Si + 2H₂) and which gives conformal coatings.

单词	Chemical transport reaction
释义	Chemical transport reaction 英语百科 Chemical transport reaction In chemistry, a chemical transport reaction describes a process for purification and crystallization of non-volatile solids. The process is also responsible for certain aspects of mineral growth from the effluent of volcanoes. The technique is distinct from chemical vapor deposition, which usually entails decomposition of molecular precursors (e.g. SiH₄ → Si + 2H₂) and which gives conformal coatings.
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