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From an impurity to the pure compound – an electron microscopy study

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Kienle,  L.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Department Nanochemistry (Bettina V. Lotsch), Max Planck Institute for Solid State Research, Max Planck Society;

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Lukachuk,  M.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Duppel,  V.
Department Nanochemistry (Bettina V. Lotsch), Max Planck Institute for Solid State Research, Max Planck Society;
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Mattausch,  Hj.
Department Nanochemistry (Bettina V. Lotsch), Max Planck Institute for Solid State Research, Max Planck Society;
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Simon,  A.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Kienle, L., Lukachuk, M., Duppel, V., Mattausch, H., & Simon, A. (2007). From an impurity to the pure compound – an electron microscopy study. Zeitschrift für anorganische und allgemeine Chemie, 633(10), 1708-1712.


Cite as: https://hdl.handle.net/21.11116/0000-000E-B7AD-1
Abstract
The power of electron microscopy techniques for the determination of structure and composition of marginal byproducts is demonstrated for rare earth metal cluster compounds. - Small amounts of the new phase Gd4GaI6 in samples with the nominal composition Gd7GaI12 could only be identified by a combined approach of EDX, electron diffraction and HRTEM. The structure of Gd4GaI6 can be assigned to the Y4BBr6-type containing chains of Gd-6 octahedra which are centered by Ga atoms. The results of the electron microscopy study initiated the synthesis of homogeneous samples of the new compound Gd4GaI6 by applying the correct ratio of the starting materials.