Ordering in Compound Semiconductors: The Role of Transmission Electron 
Microscopy

Su, D. S.; Tham, A. T.; Schubert-Bischoff, P.; Hähnert, I.; Neumann, W.; Giersig, M.; Zeitler, Elmar

doi:10.1557/PROC-523-241

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Ordering in Compound Semiconductors: The Role of Transmission Electron Microscopy

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Zeitler, Elmar
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Su, D. S., Tham, A. T., Schubert-Bischoff, P., Hähnert, I., Neumann, W., Giersig, M., et al. (1998). Ordering in Compound Semiconductors: The Role of Transmission Electron Microscopy. In Materials Research Society Symposium Proceedings (pp. 241-246). Warrendale, PA, USA: Materials Research Society.

Cite as: https://hdl.handle.net/21.11116/0000-0007-5C1C-4

Abstract

In this paper, the ordering of ternary semiconductor compounds is briefly reviewed by means of a coordination polyhedron model. Long-range ordering of chalcopyrite and CuAu-type structures can be represented as an array of repeating A₂B₂ tetrahedra. A CuAu-type ordered phase in a chalcopyrite A^IB^IIIC^VI ₂ compound is surrounded by an A₃B+ AB₃ boundary, whereas a CuPt-type ordered phase in a zinc-blende (A, B)^IIIC^V compound is surrounded mainly by A₂B₂ type tetrahedra and thus restricted in size. Following the description of the ordered structure model, the detection of the asymmetry in ordering directions in (A, B)^IIIC^V compounds is discussed. Some examples that employ transmission electron microscopy are presented.