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Phys. Rev. B 69, 134111 (2004) [8 pages]

Phase transitions between polytypes and intralayer superstructures in transition metal dichalcogenides

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H. Katzke1,*, P. Tolédano1,2, and W. Depmeier1
1Institute of Geosciences, Crystallography, University of Kiel, Olshausenstraße 40, 24098 Kiel, Germany
2Groupe “Structure des Matériaux sous conditions extrêmes” SNBL/ESRF, Boîte Postale 220, 38043 Grenoble Cedex, France

Received 28 November 2003; published 22 April 2004

The different polytypic structures observed in transition metal dichalcogenides are described as the result of ordering processes from a common parent disordered polytype structure. Interpolytypic transitions are suggested to be favored by the intrinsic stacking faults induced in the ordering mechanisms. The influence of these mechanisms on the intralayer superstructures is discussed.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.69.134111
DOI:
10.1103/PhysRevB.69.134111
PACS:
64.70.Kb, 81.30.Kf

*Electronic address: hanne@min.uni-kiel.de