Polysynthetic twinning in RbIn3S5

Kienle, L.; Simon, A.

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Polysynthetic twinning in RbIn₃S₅

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Kienle, L.
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., & Simon, A. (2002). Polysynthetic twinning in RbIn₃S₅. Journal of Solid State Chemistry, 167(1), 214-225.

Cite as: https://hdl.handle.net/21.11116/0000-000E-E43D-D

Abstract

The real structure of the new ternary compound RbIn3S5 is
characterized by polysynthetic twinning of nanosized domains
separated by coherent twin boundaries. Based on electron
microscopy, a model of the structure at the twin interface is
derived which allows a convincing simulation of experimental
images. The details of twinning are described in a unified
model. As a rule, a disordered arrangement of twin lamellas
with a random distribution of their widths is observed with
ordering of twin boundaries only in nanosized regions of the
crystallites. For a minimal distance of the twin boundaries
(back-to-back twinning) the close relationship between twinning
and shearing is discussed. The distinction of these two cases
is only possible by close inspection of the atomic structure at
the boundaries. Twinning is not the only crystal defect in the
structure of RbIn3S5. Variations in the connection of the
characteristic structural units occur which lead to the
formation of different real structures. (C) 2002 Elsevier
Science (USA).