Determination of iron sites and the amount of amorphization in radiation-damaged titanite (CaSiTiO5)

Iron is a ubiquitous impurity in metamict (radiation-damaged and partially amorphized) materials such as titanite (CaSiTiO(5)). Using (57)Fe Mössbauer spectroscopy we find that iron in metamict titanite is partitioned between amorphous and crystalline regions based on valence. Trivalent iron exists...

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Veröffentlicht in:	Journal of physics. Condensed matter 2011-03, Vol.23 (10), p.105402-3
Hauptverfasser:	Salje, E K H, Safarik, D J, Taylor, R D, Pasternak, M P, Modic, K A, Groat, L A, Lashley, J C
Format:	Artikel
Sprache:	eng
Schlagworte:	Amorphization Condensed matter Correlation Crystal structure Crystallization - methods Earth sciences Earth, ocean, space Exact sciences and technology Geochronology Iron Iron - analysis Iron - chemistry Isotope geochemistry. Geochronology Mineralogy Mossbauer spectroscopy Oxidation-Reduction Recrystallization Short range order Silicates Silicates - chemistry Spectroscopy, Mossbauer - methods Temperature Titanium - chemistry Titanium - radiation effects Zirconium - chemistry
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