Silica: Difference between revisions

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'''Silica''' (Silicon dioxide) is a very interesting system, sharing many similarities with the physical properties of [[water]].  
'''Silica''' (Silicon dioxide) is a very interesting system, sharing many similarities with the physical properties of [[water]].  
==Models==
==Models==
#[http://dx.doi.org/10.1103/PhysRevLett.64.1955 B. W. H. van Beest, G. J. Kramer and R. A. van Santen "Force fields for silicas and aluminophosphates based on ab initio calculations", Physical Review Letters '''64''' pp. 1955-1958 (1990)]
<ref>[http://dx.doi.org/10.1103/PhysRevLett.64.1955 B. W. H. van Beest, G. J. Kramer and R. A. van Santen "Force fields for silicas and aluminophosphates based on ab initio calculations", Physical Review Letters '''64''' pp. 1955-1958 (1990)]</ref>
#[http://dx.doi.org/10.1063/1.1513312 P. Tangney and S. Scandolo "An ab initio parametrized interatomic force field for silica", Journal of Chemical Physics '''117''' 8898 (2002)]
<ref>[http://dx.doi.org/10.1063/1.1513312 P. Tangney and S. Scandolo "An ab initio parametrized interatomic force field for silica", Journal of Chemical Physics '''117''' 8898 (2002)]</ref>
#[http://dx.doi.org/10.1063/1.1797979 Matthew H. Ford, Scott M. Auerbach and P. A. Monson "On the mechanical properties and phase behavior of silica: A simple model based on low coordination and strong association", Journal of Chemical Physics '''121''' 8415 (2004)]
<ref>[http://dx.doi.org/10.1063/1.1797979 Matthew H. Ford, Scott M. Auerbach and P. A. Monson "On the mechanical properties and phase behavior of silica: A simple model based on low coordination and strong association", Journal of Chemical Physics '''121''' 8415 (2004)]</ref>
<ref>[http://dx.doi.org/10.1063/1.3668603 Philipp Beck, Peter Brommer, Johannes Roth, and Hans-Rainer Trebin "Ab initio based polarizable force field generation and application to liquid silica and magnesia", Journal of Chemical Physics '''135''' 234512 (2011)]</ref>
==Phase diagram==
==Phase diagram==
#[http://dx.doi.org/10.1103/PhysRevE.70.061507 Ivan Saika-Voivod, Francesco Sciortino, Tor Grande, and Peter H. Poole "Phase diagram of silica from computer simulation", Physical Review E '''70''' 061507 (2004)]
<ref>[http://dx.doi.org/10.1103/PhysRevE.70.061507 Ivan Saika-Voivod, Francesco Sciortino, Tor Grande, and Peter H. Poole "Phase diagram of silica from computer simulation", Physical Review E '''70''' 061507 (2004)]</ref>
====Critical point====
====Critical point====
#[http://dx.doi.org/10.1063/1.3023151 Emanuela Bianchi, Piero Tartaglia, and Francesco Sciortino "Theoretical and numerical estimates of the gas-liquid critical point of a primitive model for silica", Journal of Chemical Physics '''129''' 224904 (2008)]
<ref>[http://dx.doi.org/10.1063/1.3023151 Emanuela Bianchi, Piero Tartaglia, and Francesco Sciortino "Theoretical and numerical estimates of the gas-liquid critical point of a primitive model for silica", Journal of Chemical Physics '''129''' 224904 (2008)]</ref>
==Temperature of maximum density==
==Temperature of maximum density==
Silica has a temperature of [[Liquid phase density maximum |maximum density]] (TMD)
Silica has a temperature of [[Liquid phase density maximum |maximum density]] (TMD)
#[http://dx.doi.org/10.1103/PhysRevLett.79.2281      Peter H. Poole, Mahin Hemmati, and C. Austen Angell "Comparison of Thermodynamic Properties of Simulated Liquid Silica and Water", Physical Review Letters '''79''' pp. 2281-2284 (1997)]
<ref>[http://dx.doi.org/10.1103/PhysRevLett.79.2281      Peter H. Poole, Mahin Hemmati, and C. Austen Angell "Comparison of Thermodynamic Properties of Simulated Liquid Silica and Water", Physical Review Letters '''79''' pp. 2281-2284 (1997)]</ref>
#[http://dx.doi.org/10.1103/PhysRevE.66.011202      M. Scott Shell, Pablo G. Debenedetti, and Athanassios Z. Panagiotopoulos "Molecular structural order and anomalies in liquid silica", Physical Review E '''66''' 011202 (2002)]
<ref>[http://dx.doi.org/10.1103/PhysRevE.66.011202      M. Scott Shell, Pablo G. Debenedetti, and Athanassios Z. Panagiotopoulos "Molecular structural order and anomalies in liquid silica", Physical Review E '''66''' 011202 (2002)]</ref>
==Polymorphism==
==Polymorphism==
Silica has a number of crystal structures.
Silica has a number of crystal structures.
#[http://dx.doi.org/10.1103/PhysRevLett.80.2145 David M. Teter, Russell J. Hemley, Georg Kresse and Jürgen Hafner "High Pressure Polymorphism in Silica", Physical Review Letters  '''80''' pp. 2145 - 2148 (1998)]
<ref>[http://dx.doi.org/10.1103/PhysRevLett.80.2145 David M. Teter, Russell J. Hemley, Georg Kresse and Jürgen Hafner "High Pressure Polymorphism in Silica", Physical Review Letters  '''80''' pp. 2145-2148 (1998)]</ref>
==Polyamorphism==
==Polyamorphism==
Silica has a [[Polyamorphic systems |polyamorphic]] (liqid-liquid) phase transition.
Silica has a [[Polyamorphic systems |polyamorphic]] (liqid-liquid) phase transition.
#[http://dx.doi.org/10.1103/PhysRevLett.87.195501  G. D. Mukherjee, S. N. Vaidya, and V. Sugandhi "Direct Observation of Amorphous to Amorphous Apparently First-Order Phase Transition in Fused Quartz", Physical Review Letters '''87''' 195501 (2001)]
<ref>[http://dx.doi.org/10.1103/PhysRevLett.87.195501  G. D. Mukherjee, S. N. Vaidya, and V. Sugandhi "Direct Observation of Amorphous to Amorphous Apparently First-Order Phase Transition in Fused Quartz", Physical Review Letters '''87''' 195501 (2001)]</ref>
#[http://dx.doi.org/10.1038/35087524 Ivan Saika-Voivod, Peter H. Poole and Francesco Sciortino "Fragile-to-strong transition and polyamorphism in the energy landscape of liquid silica", Nature '''412''' pp.  514-517 (2001)]
<ref>[http://dx.doi.org/10.1038/35087524 Ivan Saika-Voivod, Peter H. Poole and Francesco Sciortino "Fragile-to-strong transition and polyamorphism in the energy landscape of liquid silica", Nature '''412''' pp.  514-517 (2001)]</ref>
==References==
==References==
#[http://dx.doi.org/10.1098/rsta.2004.1506  Ivan Saika-Voivod, Francesco Sciortino, Tor Grande, Peter H. Poole "Simulated silica", Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences  '''363''' pp. 525-535 (2005)]
<references/>
;Related reading
*[http://dx.doi.org/10.1098/rsta.2004.1506  Ivan Saika-Voivod, Francesco Sciortino, Tor Grande, Peter H. Poole "Simulated silica", Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences  '''363''' pp. 525-535 (2005)]
[[category:Polyamorphic systems]]
[[category:Polyamorphic systems]]

Revision as of 14:11, 22 December 2011

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Silica (Silicon dioxide) is a very interesting system, sharing many similarities with the physical properties of water.

Models

[1] [2] [3] [4]

Phase diagram

[5]

Critical point

[6]

Temperature of maximum density

Silica has a temperature of maximum density (TMD) [7] [8]

Polymorphism

Silica has a number of crystal structures. [9]

Polyamorphism

Silica has a polyamorphic (liqid-liquid) phase transition. [10] [11]

References

  1. B. W. H. van Beest, G. J. Kramer and R. A. van Santen "Force fields for silicas and aluminophosphates based on ab initio calculations", Physical Review Letters 64 pp. 1955-1958 (1990)
  2. P. Tangney and S. Scandolo "An ab initio parametrized interatomic force field for silica", Journal of Chemical Physics 117 8898 (2002)
  3. Matthew H. Ford, Scott M. Auerbach and P. A. Monson "On the mechanical properties and phase behavior of silica: A simple model based on low coordination and strong association", Journal of Chemical Physics 121 8415 (2004)
  4. Philipp Beck, Peter Brommer, Johannes Roth, and Hans-Rainer Trebin "Ab initio based polarizable force field generation and application to liquid silica and magnesia", Journal of Chemical Physics 135 234512 (2011)
  5. Ivan Saika-Voivod, Francesco Sciortino, Tor Grande, and Peter H. Poole "Phase diagram of silica from computer simulation", Physical Review E 70 061507 (2004)
  6. Emanuela Bianchi, Piero Tartaglia, and Francesco Sciortino "Theoretical and numerical estimates of the gas-liquid critical point of a primitive model for silica", Journal of Chemical Physics 129 224904 (2008)
  7. Peter H. Poole, Mahin Hemmati, and C. Austen Angell "Comparison of Thermodynamic Properties of Simulated Liquid Silica and Water", Physical Review Letters 79 pp. 2281-2284 (1997)
  8. M. Scott Shell, Pablo G. Debenedetti, and Athanassios Z. Panagiotopoulos "Molecular structural order and anomalies in liquid silica", Physical Review E 66 011202 (2002)
  9. David M. Teter, Russell J. Hemley, Georg Kresse and Jürgen Hafner "High Pressure Polymorphism in Silica", Physical Review Letters 80 pp. 2145-2148 (1998)
  10. G. D. Mukherjee, S. N. Vaidya, and V. Sugandhi "Direct Observation of Amorphous to Amorphous Apparently First-Order Phase Transition in Fused Quartz", Physical Review Letters 87 195501 (2001)
  11. Ivan Saika-Voivod, Peter H. Poole and Francesco Sciortino "Fragile-to-strong transition and polyamorphism in the energy landscape of liquid silica", Nature 412 pp. 514-517 (2001)
Related reading