Cobalt disilicide
Cobalt disilicide (CoSi2) is an intermetallic compound, a silicide of cobalt. It is a superconductor with a transition temperature of ca. 1.4 K[4] and a critical field of 105 Oe.[5]
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| Names | |
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| IUPAC name
Cobalt disilicide | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.031.457 |
PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| CoSi2 | |
| Molar mass | 115.104 g/mol |
| Appearance | gray cubic crystals[1] |
| Density | 4.9 g/cm3 |
| Melting point | 1,326 °C (2,419 °F; 1,599 K)[1] |
Refractive index (nD) |
2.07 (589 nm)[2] |
| Structure | |
| Fluorite[3] | |
| Fm3m (No. 225), cF12 | |
a = 0.5353 nm | |
Formula units (Z) |
4 |
| Hazards | |
| Flash point | Non-flammable |
| Related compounds | |
Other cations |
Iron disilicide Manganese disilicide Titanium disilicide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
References
- Haynes, p. 4.59
- Wu, Z.-C.; Arakawa, E. T.; Jimenez, J. R.; Schowalter, L. J. (1993). "Optical properties of epitaxial CoSi2 on Si from 0.062 to 22.3 eV". Physical Review B. 47 (8): 4356–4362. doi:10.1103/PhysRevB.47.4356.
- Wittmann, A.; Burger, K. O.; Nowotny, H. (1961). "Mono- und Disilicidsysteme der Eisengruppe". Monatshefte für Chemie. 92 (5): 961–966. doi:10.1007/BF00924761.
- Haynes, p. 12.64
- Haynes, p. 12.70
Cited sources
- Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. ISBN 9781498754293.
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