Dichlorosilane
From Wikipedia, the free encyclopedia
Dichlorosilane | |
---|---|
IUPAC name | Dichlorosilane |
Other names | DCS |
Identifiers | |
CAS number | [4109-96-0] |
PubChem | |
SMILES | ClSiCl |
Properties | |
Molecular formula | H2Cl2Si |
Molar mass | 101.007 g/mol |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
Dichlorosilane (H2SiCl2), or DCS as it is commonly known, is usually mixed with ammonia (NH3) in LPCVD chambers to grow silicon nitride in semiconductor processing.
A higher concentration of DCS:NH3 (ie 16:1), usually results in lower stress nitride films.
[edit] External Links
Safety data for dichlorosilane from the Chemistry Department at Oxford University.