In search of natural quasicrystals

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The concept of quasicrystals was first introduced twenty-eight years ago and, since then, over a hundred types have been discovered in the laboratory under precisely controlled physical conditions designed to avoid crystallization. Yet the original theory suggested that quasicrystals can potentially be as robust and stable as crystals, perhaps even forming naturally. These considerations motivated a decade-long search for a natural quasicrystal culminating in the discovery of icosahedrite (Al 63Cu 24Fe 13), an icosahedral quasicrystal found in a rock sample composed mainly of khatyrkite (crystalline (Cu,Zn)Al 2) labeled as coming from the Koryak Mountains of far eastern Russia. In this paper, we review the search and discovery, the analysis showing the sample to be of extraterrestrial origin and the initial results of an extraordinary geological expedition to the Koryak Mountains to seek further evidence.

Original languageEnglish (US)
Article number092601
JournalReports on Progress in Physics
Volume75
Issue number9
DOIs
StatePublished - Sep 12 2012

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mountains
expeditions
Russian Federation
rocks
crystallization
crystals

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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In search of natural quasicrystals. / Steinhardt, Paul Joseph; Bindi, Luca.

In: Reports on Progress in Physics, Vol. 75, No. 9, 092601, 12.09.2012.

Research output: Contribution to journalArticle

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