Microscopic origin of the optical processes in blue sapphire

Jessica K. Bristow, Stephen C. Parker, C. Richard A. Catlow, Scott M. Woodley, Aron Walsh

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14 Citations (Scopus)
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Abstract

Al2O3 changes from transparent to a range of intense colours depending on the chemical impurities present. In blue sapphire, Fe and Ti are incorporated; however, the chemical process that gives rise to the colour has long been debated. Atomistic modelling identifies charge transfer from Ti(III) to Fe(III) as being responsible for the characteristic blue appearance.
Original languageEnglish
Pages (from-to)5259-5261
Number of pages3
JournalChemical Communications
Volume49
Issue number46
Early online date1 May 2013
DOIs
Publication statusPublished - 21 Jun 2013

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    Bristow, J. K., Parker, S. C., A. Catlow, C. R., Woodley, S. M., & Walsh, A. (2013). Microscopic origin of the optical processes in blue sapphire. Chemical Communications, 49(46), 5259-5261. https://doi.org/10.1039/c3cc41506f