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Natural quasicrystal with decagonal symmetry

Author(s): Bindi, Luca; Yao, Nan; Lin, Chaney; Hollister, Lincoln S.; Andronicos, Christopher L.; et al

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dc.contributor.authorBindi, Luca-
dc.contributor.authorYao, Nan-
dc.contributor.authorLin, Chaney-
dc.contributor.authorHollister, Lincoln S.-
dc.contributor.authorAndronicos, Christopher L.-
dc.contributor.authorDistler, Vadim V.-
dc.contributor.authorEddy, Michael P.-
dc.contributor.authorKostin, Alexander-
dc.contributor.authorKryachko, Valery-
dc.contributor.authorMacPherson, Glenn J.-
dc.contributor.authorSteinhardt, William M.-
dc.contributor.authorYudovskaya, Marina-
dc.contributor.authorSteinhardt, Paul J.-
dc.identifier.citationBindi, Luca, Yao, Nan, Lin, Chaney, Hollister, Lincoln S, Andronicos, Christopher L, Distler, Vadim V, Eddy, Michael P, Kostin, Alexander, Kryachko, Valery, MacPherson, Glenn J, Steinhardt, William M, Yudovskaya, Marina, Steinhardt, Paul J. (2015). Natural quasicrystal with decagonal symmetry. SCIENTIFIC REPORTS, 5, doi:10.1038/srep09111en_US
dc.description.abstractWe report the first occurrence of a natural quasicrystal with decagonal symmetry. The quasicrystal, with composition Al71Ni24Fe5, was discovered in the Khatyrka meteorite, a recently described CV3 carbonaceous chondrite. Icosahedrite, Al63Cu24Fe13, the first natural quasicrystal to be identified, was found in the same meteorite. The new quasicrystal was found associated with steinhardtite (Al38Ni32Fe30), Fe-poor steinhardtite (Al50Ni40Fe10), Al-bearing trevorite (NiFe2O4) and Al-bearing taenite (FeNi). Laboratory studies of decagonal Al71Ni24Fe5 have shown that it is stable over a narrow range of temperatures, 1120 K to 1200 K at standard pressure, providing support for our earlier conclusion that the Khatyrka meteorite reached heterogeneous high temperatures [1100 < T(K) <= 1500] and then rapidly cooled after being heated during an impact-induced shock that occurred in outer space 4.5 Gya. The occurrences of metallic Al alloyed with Cu, Ni, and Fe raises new questions regarding conditions that can be achieved in the early solar nebula.en_US
dc.relation.ispartofSCIENTIFIC REPORTSen_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleNatural quasicrystal with decagonal symmetryen_US
dc.typeJournal Articleen_US

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