Silicon: Difference between revisions
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'''Silicon''' (Si) | |||
==Models of silicon== | ==Models of silicon== | ||
====Stillinger-Weber model==== | ====Stillinger-Weber model==== | ||
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====Tersoff potential==== | ====Tersoff potential==== | ||
*[http://dx.doi.org/10.1103/PhysRevB.37.6991 J. Tersoff "New empirical approach for the structure and energy of covalent systems", Physical Review B '''37''' pp. 6991-7000 (1988)] | *[http://dx.doi.org/10.1103/PhysRevB.37.6991 J. Tersoff "New empirical approach for the structure and energy of covalent systems", Physical Review B '''37''' pp. 6991-7000 (1988)] | ||
==Melting point== | |||
Yoo et al have calculated the melting point to be <math>T_m \approx1540 \pm 50 ~\mathrm{K}</math> at zeo pressure | |||
*[http://dx.doi.org/10.1016/j.cplett.2009.09.075 Soohaeng Yoo, Sotiris S. Xantheas and Xiao Cheng Zeng "The melting temperature of bulk silicon from ab initio molecular dynamics simulations", Chemical Physics Letters (2009)] | |||
==Polyamorphism in silicon== | ==Polyamorphism in silicon== | ||
Silicon is a [[Polyamorphic systems | polyamorphic system]]. | Silicon is a [[Polyamorphic systems | polyamorphic system]]. | ||
Revision as of 16:01, 8 October 2009
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Silicon (Si)
Models of silicon
Stillinger-Weber model
Tersoff potential
Melting point
Yoo et al have calculated the melting point to be at zeo pressure
Polyamorphism in silicon
Silicon is a polyamorphic system.
- Sudip K. Deb, Martin Wilding, Maddury Somayazulu and Paul F. McMillan "Pressure-induced amorphization and an amorphous–amorphous transition in densified porous silicon", Nature 414 pp. 528-530 (2001)
- Srikanth Sastry and C. Austen Angell "Liquid–liquid phase transition in supercooled silicon", Nature Materials 2 pp. 739 - 743 (2003)
- Philippe Beaucage and Normand Mousseau "Liquid–liquid phase transition in Stillinger–Weber silicon", Jorunal of Physics: Condensed Matter 17 pp. 2269-2279 (2005)
- N. Jakse and A. Pasturel "Dynamic aspects of the liquid-liquid phase transformation in silicon", Journal of Chemical Physics 129 104503 (2008)