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Study of Garnets by ALCHEMI

Published online by Cambridge University Press:  02 July 2020

János L. Lábár
Affiliation:
Research Institute for Technical Physics and Materials Science, H-l 121 Budapest, Konkoly-Thegeu. 29-33, Hungary
Lajos Tόth
Affiliation:
Research Institute for Technical Physics and Materials Science, H-l 121 Budapest, Konkoly-Thegeu. 29-33, Hungary
István Dόdony
Affiliation:
Department of Mineralogy, Eötvös Lόránd University, Budapest, Rákόczi u. 4, Hungary
Jerzy Morgiel
Affiliation:
Institute of Metallurgy and Materials Science, ul., Reymonta 25, PL-30059 Krakow, Poland

Abstract

Garnets were one of the first materials in which an occupation of separate lattice sites by different atomic species was determined with an ALCHEMI technique proposed by Spence and Tafto in l982. The reason of so much interest in this material was twofold, i.e. first its known high sensitivity of X-ray generation depending on orientation especially in the axial orientation and second its complicated crystal structure allowing different atomic arrangements in the unit cell depending on its chemical composition. The dodecahedral (X), octahedral (Y) and tetrahedral (Z) sites between the relatively large oxygen atoms can be filled with a variety of small cations in accordance with the formula X3Y2Z3O12. Partial substitution of one cation with another is common in this structure. The results presented in the previous literature indicated that ALCHEMI can only separate the Y-sites from the sum of the other two (X+Z), while the latter has to remain unresolved.

Type
Atom Location by Channeling Enhancement of X-Ray and EELS Signals (ALCHEMI)(organized by J.Spence)
Copyright
Copyright © Microscopy Society of America 2001

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References

1Krishnan, KM, Rez, P and Thomas, G, Acta Crystallogr. B41, 396 (1985)Google Scholar
2Tafto, J and Spence, JCH, Science 218, 49 (1982)CrossRefGoogle Scholar
3Otten, MT, Philips Opt. Bull. 126, 21 (1989)Google Scholar
4Otten, MT and Buseck, PR, Ultramicroscopy 23, 151 (1987)CrossRefGoogle Scholar
5Balboni, R, Frabboni, S, Rinaldi, R and Spigarelli, S., Mikrochim. Acta 114/115, 187 (1994)CrossRefGoogle Scholar
6Labar, JL, Appl. Phys. Lett. 75, 70 (1999)CrossRefGoogle Scholar
7Spence, JCH and Tafto, J, J. Microsc. 130, 147 (1983)CrossRefGoogle Scholar
8Stadelmann, P, Ultramicroscopy 21,131 (1987)CrossRefGoogle Scholar

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