Coprecipitation Synthesis and Negative Thermal Expansion of R2Mo3O12 (R = Y, Yb)

Hai Tao Yang; Wei Lin Lin; Fu Liang Shang; Yuan Hui Huang; Ling Gao

doi:10.4028/www.scientific.net/AMR.79-82.1567

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 79-82Coprecipitation Synthesis and Negative Thermal...

Coprecipitation Synthesis and Negative Thermal Expansion of R₂Mo₃O₁₂ (R = Y, Yb)

Abstract:

In this research, powders of Y2Mo3O12 and Yb2Mo3O12 were successfully synthesized by liquid phase coprecipitation, followed with a heat treatment at 750°C for 6h. X-ray diffraction (XRD) analysis indicated that the Y2Mo3O12 and Yb2Mo3O12 were single orthorhombic structure with the space group of Pbcn. Negative thermal expansion properties of Y2Mo3O12 and Yb2Mo3O12 were studied with high temperature XRD analysis. The thermal expansion coefficients of Y2Mo3O12 and Yb2Mo3O12 were calculated to be -5.943×10-6K-1 and -6.237×10-6K-1 respectively.

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Periodical:

Advanced Materials Research (Volumes 79-82)

Pages:

1567-1570

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.79-82.1567

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Online since:

August 2009

Authors:

Hai Tao Yang, Wei Lin Lin, Fu Liang Shang, Yuan Hui Huang, Ling Gao

Keywords:

Liquid Phase Coprecipitation, Negative Thermal Expansion, Y₂Mo₃O₁₂, Yb₂Mo₃O₁₂

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