Theoretical Calculation of Miscibility Gap for MgxZn1-XO Alloys

Kai Ju Zhang; X.F. Wang

doi:10.4028/www.scientific.net/AMR.282-283.522

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 282-283Theoretical Calculation of Miscibility Gap for...

Theoretical Calculation of Miscibility Gap for Mg_xZn_1-XO Alloys

Abstract:

In this paper, a theoretical calculation of the miscibility gap taking modified interaction parameter and mismatch strain into account are performed for the Mg_xZn_1-xO ternary compound system using the modified strictly regular solution model. The calculated results shows that the Mg_xZn_1-xO alloys are metastable at the temperatures commonly used for crystal growth and the miscibility gap shifts remarkably into the areas of higher Mg concentration and higher temperature because of the interaction parameter modifiability and strain effect. The strain relaxation is discussed synchronously, with the increasing of the strain relaxation, the MgO segregation boundary expands to a bend band region.

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Advanced Materials Research (Volumes 282-283)

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522-525

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https://doi.org/10.4028/www.scientific.net/AMR.282-283.522

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July 2011

Authors:

Kai Ju Zhang, X.F. Wang

Keywords:

Metastable, Mg_XZn_1-XO Alloy, Miscibility Gap, Mismatch Strain

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