Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2007-02-08
Phys. Rev. E 75, 040801 (2007)
Physics
Condensed Matter
Soft Condensed Matter
8 pages, 4 figures
Scientific paper
10.1103/PhysRevE.75.040801
We present results of molecular simulations that predict the phases formed by the self-assembly of model nanospheres functionalized with a single polymer "tether", including double gyroid, perforated lamella and crystalline bilayer phases. We show that microphase separation of the immiscible tethers and nanospheres causes confinement of the nanoparticles, which promotes local icosahedral packing that stabilizes the gyroid and perforated lamella phases. We present a new metric for determining the local arrangement of particles based on spherical harmonic "fingerprints", which we use to quantify the extent of icosahedral ordering.
Glotzer Sharon C.
Horsch Mark A.
Iacovella Christopher R.
Keys Aaron S.
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