What is it about?
Despite the translational order maintained by all particles in the system, anisotropic polyhedral particles exhibit orientational order and disorder leading to the varieties of orientational phases in crystalline states. This article demonstrates the methodological advancements towards the analyses of orientational motion considering the translational order in crystal. The discussion includes the robustness of the discrete plastic crystalline behaviour in the self-assembled system purely driven by entropy.
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Why is it important?
It explains the methodological advancements towards the analyses of orientational motion in the presence of translational broken symmetry states. The data presented in the article indicates the robustness of the discrete orientational behavior in the light of new analyses methodology. An empirical relationship has been pointed out towards the existence of this phase directing the symmetry mismatch between the particle and the crystal structure. This could help in analysing the unique orientational behavior of the polyhedral particles opening up the route to understand the self-assembly behavior of classical many-body systems.
Perspectives
This article enlightens the most detailed discussion on the translational and orientational motion of particles in the many-body system. It could be relevant towards the understanding of complex symmetry relationship in crystal structures.
Sumitava Kundu
Indian Association for the Cultivation of Science
Read the Original
This page is a summary of: Understanding orientational disorder in crystalline assemblies of hard convex polyhedra, The Journal of Chemical Physics, November 2024, American Institute of Physics,
DOI: 10.1063/5.0233373.
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