Identifying and Indexing Icosahedral Quasicrystals from Powder Diffraction Patterns
Peter J. Lu, Kenneth Deffeyes, Paul J. Steinhardt, Nan Yao
Abstract
We present a scheme to identify quasicrystals based on powder diffraction data and to provide a standardized indexing. We apply our scheme to a large catalog of powder diffraction patterns, including natural minerals, to look for new quasicrystals. Based on our tests, we have found promising candidates worthy of further exploration.
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