Theory of the high-pressure structural phase transitions in Si, Ge, Sn, and Pb

Katzke, H., Bismayer, U. and Toledano, P. (2006) Theory of the high-pressure structural phase transitions in Si, Ge, Sn, and Pb Physical Review B, 73 (13). DOI 13410510.1103/PhysRevB.73.134105.

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Abstract

Displacive mechanisms are proposed for the high-pressure structural transitions which take place in Si, Ge, Sn, and Pb. The mechanisms are analyzed in the framework of the Landau theory of phase transitions. It reveals a number of unifying features which are discussed in connection with the electronic structures of these elements, leading to a more precise understanding of the diversity of phase diagrams found for the elements of Group IVa.

Document Type: Article
Keywords: crystal-structure imma phase group-iv iii-v silicon germanium lead gpa tin 1st-principles
Research affiliation: Kiel University
DOI etc.: 13410510.1103/PhysRevB.73.134105
ISSN: 1098-0121
Date Deposited: 12 Jan 2012 06:06
Last Modified: 08 Oct 2012 10:23
URI: http://eprints.uni-kiel.de/id/eprint/15995

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