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Determination of the anisotropic elastic properties of
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10.1063/1.3598934
/content/aip/journal/apl/98/23/10.1063/1.3598934
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/23/10.1063/1.3598934

Figures

Image of FIG. 1.
FIG. 1.

(a) Model for in the (distorted) fcc structure with Ge (light gray/green), Sb (dark gray/red), Te (black), and structural vacancy (white). (b) Three-dimensional representation of Young’s modulus, as calculated with GGA. The surface gives the value of the Young’s modulus for a given direction (maximum value, on-axis is 112 GPa).

Tables

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Table I.

Summary of elastic properties of GST124 and GST225 published in literature and in this study. For bulk modulus, “stiffness” refers to computation from elastic constants as opposed to “direct” measurement or calculation. Values in brackets are inferred by us.

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Table II.

Elastic constants of the seven-atom GST124 structure in GPa.

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/content/aip/journal/apl/98/23/10.1063/1.3598934
2011-06-10
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Determination of the anisotropic elastic properties of Ge1Sb2Te4
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/23/10.1063/1.3598934
10.1063/1.3598934
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