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Order from disorder

Abstract : Our understanding of the atomic structure of materials relies on our ability to describe structural characteristics such as the short-range order (in the case of liquids or amorphous materials) or the periodicity inherent to crystalline materials. On page 825 of this issue, L. Wang et al. ( 1) challenge our understanding of the inherent disorder that can be present in a crystal by presenting evidence for a crystalline material composed of amorphous clusters. They show that C60 molecules from the crystalline solvated fullerene phase C60*m-xylene undergo an order-to-disorder transition under compression at ≈35 GPa but keep their translational symmetry. A material can still possess long-range order even though its fundamental building blocks are disordered.
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https://hal-insu.archives-ouvertes.fr/insu-00724124
Contributor : Alejandro Fernandez-Martinez <>
Submitted on : Friday, August 17, 2012 - 7:07:40 PM
Last modification on : Friday, July 17, 2020 - 5:09:02 PM

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Dongbo Wang, Alejandro Fernandez-Martinez. Order from disorder. Science, American Association for the Advancement of Science, 2012, 337 (6096), pp.812-813. ⟨10.1126/science.1226048⟩. ⟨insu-00724124⟩

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