Editing Anisotropic particles with tetrahedral symmetry
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[[Image:patchy_4.png|thumb|right| Artists impression of a tetrahedral patchy particle]] | [[Image:patchy_4.png|thumb|right| Artists impression of a tetrahedral patchy particle]] | ||
==Kern and Frenkel model== | ==Kern and Frenkel model== | ||
==Phase diagram== | |||
The [[Phase diagrams |phase diagram]] of the tetrahedral [[Kern and Frenkel patchy model | Kern and Frenkel ]] [[patchy particles | patchy model]] exhibits the following solid phases<ref>[http://dx.doi.org/10.1021/jp9081905 Flavio Romano, Eduardo Sanz and Francesco Sciortino "Role of the Range in the Fluid−Crystal Coexistence for a Patchy Particle Model", Journal of Physical Chemistry B '''113''' pp. 15133–15136 (2009)]</ref><ref>[http://dx.doi.org/10.1063/1.3393777 Flavio Romano, Eduardo Sanz and Francesco Sciortino "Phase diagram of a tetrahedral patchy particle model for different interaction ranges", Journal of Chemical Physics '''132''' 184501 (2010)]</ref>: | The [[Phase diagrams |phase diagram]] of the tetrahedral [[Kern and Frenkel patchy model | Kern and Frenkel ]] [[patchy particles | patchy model]] exhibits the following solid phases<ref>[http://dx.doi.org/10.1021/jp9081905 Flavio Romano, Eduardo Sanz and Francesco Sciortino "Role of the Range in the Fluid−Crystal Coexistence for a Patchy Particle Model", Journal of Physical Chemistry B '''113''' pp. 15133–15136 (2009)]</ref><ref>[http://dx.doi.org/10.1063/1.3393777 Flavio Romano, Eduardo Sanz and Francesco Sciortino "Phase diagram of a tetrahedral patchy particle model for different interaction ranges", Journal of Chemical Physics '''132''' 184501 (2010)]</ref>: | ||
[[Building up a diamond lattice |diamond crystal]] (DC), | [[Building up a diamond lattice |diamond crystal]] (DC), | ||
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to the diamond crystal when the range of the interaction becomes short (roughly less than 15% of the | to the diamond crystal when the range of the interaction becomes short (roughly less than 15% of the | ||
diameter). | diameter). | ||
:[[Image:romanojpcb09.gif]] | :[[Image:romanojpcb09.gif]] | ||
In contrast to isotropic models, the critical point becomes only weakly metastable with respect to the solid as the interaction range | In contrast to isotropic models, the critical point becomes only weakly metastable with respect to the solid as the interaction range | ||
narrows (from left to right in the figure). | narrows (from left to right in the figure). | ||
==Modulated patchy Lennard-Jones model== | ==Modulated patchy Lennard-Jones model== | ||
The solid phases of the [[modulated patchy Lennard-Jones model]] has also been studied <ref>[http://dx.doi.org/10.1063/1.3454907 Eva G. Noya, Carlos Vega, Jonathan P. K. Doye, and Ard A. Louis "The stability of a crystal with diamond structure for patchy particles with tetrahedral symmetry", Journal of Chemical Physics '''132''' 234511 (2010)]</ref> | The solid phases of the [[modulated patchy Lennard-Jones model]] has also been studied <ref>[http://dx.doi.org/10.1063/1.3454907 Eva G. Noya, Carlos Vega, Jonathan P. K. Doye, and Ard A. Louis "The stability of a crystal with diamond structure for patchy particles with tetrahedral symmetry", Journal of Chemical Physics '''132''' 234511 (2010)]</ref> | ||
==Lattice model== | ==Lattice model== | ||
<ref>[http://dx.doi.org/10.1080/00268976.2010.523521 N. G. Almarza and E. G. Noya "Phase transitions of a lattice model for patchy particles with tetrahedral symmetry", Molecular Physics '''109''' pp. 65-74 (2011)]</ref> | <ref>[http://dx.doi.org/10.1080/00268976.2010.523521 N. G. Almarza and E. G. Noya "Phase transitions of a lattice model for patchy particles with tetrahedral symmetry", Molecular Physics '''109''' pp. 65-74 (2011)]</ref> | ||
==Crystallization== | |||
<ref>[http://dx.doi.org/10.1063/1.3578182 Flavio Romano, Eduardo Sanz, and Francesco Sciortino "Crystallization of tetrahedral patchy particles in silico", Journal of Chemical Physics 134, 174502 (2011)]</ref> | |||
==See also== | ==See also== | ||
*[[PMW]] (primitive model for [[water]]) | *[[PMW]] (primitive model for [[water]]) | ||
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;Related reading | ;Related reading | ||
*[http://dx.doi.org/10.1063/1.3582904 G. Munaó, D. Costa, F. Sciortino, and C. Caccamo "Simulation and theory of a model for tetrahedral colloidal particles", Journal of Chemical Physics '''134''' 194502 (2011)] | *[http://dx.doi.org/10.1063/1.3582904 G. Munaó, D. Costa, F. Sciortino, and C. Caccamo "Simulation and theory of a model for tetrahedral colloidal particles", Journal of Chemical Physics '''134''' 194502 (2011)] | ||
[[category: models]] | [[category: models]] |