trimethylindium
UStry-meth-uhl-IN-dee-uhm/ˌtɹaɪˌmɛθəlˈɪndiəm/UKtry-mee-thyl-IN-dee-uhm/ˌtɹaɪˌmiːθaɪlˈɪndiəm/
- 1An organometallic compound, (CH₃)₃In, used in vapor-phase epitaxy to manufacture semiconductors of the highest purity.
Engineers feed trimethylindium into the reactor to grow thin indium-containing films.
Because trimethylindium reacts violently with air, technicians handle it under an inert gas.
Note
A name that reads like its formula: trimethyl plus indium, three methyl groups bonded to a single indium atom, (CH₃)₃In. In vapor-phase epitaxy it serves as the volatile indium source, breaking down on a heated substrate to lay indium into the growing crystal at purities of seven nines, 99.99999%. It is a mass noun: engineers order trimethylindium, not a trimethylindium.
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Origin
Formed from "trimethyl" plus "indium".