High Pressure Synthesis and Structures of Scandium-Zinc Intermetallic Compounds ScZn2,Sc3Zn17 and Sc13Zn58.

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  • High Pressure Synthesis and Structures

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Abstract

Three kinds of scandium-zinc intermetallic compounds, ScZn2, Sc3Zn17 and Sc13Zn58 have been prepared from the elements under high pressure and high temperature. ScZn2 crystallizes in the hexagonal system with lattice constants a=5. 2509Å, c=8. 4774Å, c/a=1. 6147, and unit cell valume 202. 42Å3. Sc3Zn17 crystallizes in the cubic system with lattice constant a=13. 8406Å and unit cell volume 2661. 35Å3. Sc13Zn58 crystallizes in the hexagonal system with lattice constant a=13. 744Å, c=13. 632Å, c/a=0. 9919, and unit cell volume 2230. 06Å3. The usefulness of high pressure methods for the synthesis of intermetallic phases with highly volatile components could again be demonstrated here.

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