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Elsevier, Scripta Materialia, 8(69), p. 594-597

DOI: 10.1016/j.scriptamat.2013.07.003

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Effect of alloying elements on in-plane ordering and disordering of solute clusters in Mg-based long-period stacking ordered structures: A first-principles analysis

Journal article published in 2013 by Hajime Kimizuka, Marco Fronzi, Shigenobu Ogata ORCID
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This paper is available in a repository.

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Abstract

Using density functional theory, we characterized the in-plane binding between L1(2)-type solute clusters in Mg-M-RE (M = Al, Zn; RE = Y, Gd) long-period stacking ordered (LPSO) structures. The difference between the Al and Zn concentrations within the clusters determines whether the intercluster interaction is attractive or repulsive. Incomplete in-plane ordering observed experimentally in Mg-Zn-Y LPSO structures was suggested to be caused by the unlinked nature of the clusters owing to their significant inward contraction.