Editing Patchy particles

'''Patchy particles''' <ref>[http://dx.doi.org/10.1021/nl0493500 Zhenli Zhang and Sharon C. Glotzer "Self-Assembly of Patchy Particles", Nano Letters '''4''' pp. 1407-1413 (2004)]</ref> are models designed to keep pace with the rapid advances in the field of [[colloids]]. It is now possible to synthesise or fabricate tiny particles that have a variety of shapes, composition etc. In order to simulate these structures, there is a corresponding growth in the number of [[idealised models]] being developed and studied. With a view to classifying
these "patchy" models the idea of "anisotropy dimensions" has been put forward.
==Taxonomy: anisotropy dimensions==
Anisotropy dimensions is a classification scheme for patchy particles <ref>[http://dx.doi.org/10.1038/nmat1949 Sharon C. Glotzer and  Michael J. Solomon "Anisotropy of building blocks and their assembly into complex structures",  Nature Materials '''6''' pp. 557-562 (2007)]</ref>.
The eight attributes are as follows:
====Surface coverage (A)====
:[[Image:patchy_dimension_A.png|500px]]
====Aspect ratio (B)====
:::[[Image:patchy_dimension_B.png|500px]]
====Faceting (C)====
:[[Image:patchy_dimension_C.png|500px]]
====Pattern quantisation (D)====
:[[Image:patchy_dimension_D.png|500px]]
====Branching (E)====
:[[Image:patchy_dimension_E.png|500px]]
====Chemical ordering (F)====
:::[[Image:patchy_dimension_F.png|500px]]
====Shape gradient (G)====
:::[[Image:patchy_dimension_G.png|500px]]
====Roughness (H)====
::[[Image:patchy_dimension_H.png|500px]]

==Models==
*[[Bol model of water]]
*[[Dahl and Andersen model of water]]
*[[Kern and Frenkel patchy model]] 
*[[Modulated patchy Lennard-Jones model]]
*[[Smith and Nezbeda associated fluid model]]
*[[Laponite]]

==See also==
*[[Colloids]]
*[[Emulsions]]
*[[Janus particles]]
*[[Phase diagram of anisotropic particles with octahedral symmetry]]
*[[Phase diagram of anisotropic particles with tetrahedral symmetry]]
*[[Wertheim's first order thermodynamic perturbation theory (TPT1)]]

==References==
<references/>
'''Related reading'''
*[http://dx.doi.org/10.1002/marc.200900614 Amar B. Pawar and Ilona Kretzschmar "Fabrication, Assembly, and Application of Patchy Particles", Macromolecular Rapid Communications '''31''' pp. 150-168 (2010)]
*[http://dx.doi.org/10.1038/nmat2927 Willem K. Kegel and Henk N. W. Lekkerkerker "Colloidal gels: Clay goes patchy", Nature Materials '''10''' pp. 5-6 (2011)]

[[category: models]]