Synthesis and Characterization of the Nanocrystalline Ti0.8Cr0.2OxNy Powder

Abstract

Abstract:

Nanocrystalline bimetallic metal oxynitride, Ti_0.8Cr_0.2O_xN_y, was synthesized by ammonolysis of
the nanosized Cr₂O₃/TiO₂ composite powder at 800℃ for 8h. The precursor and the resulting oxynitride were characterized by Auger
electron spectroscope (AES), X-ray diffraction analysis (XRD), electron probe microanalysis (EPMA), transmission electron microscopy (TEM), and
BET surface area techniques. The results indicate that the as-synthesized oxynitride powder contains only Ti_0.8Cr_0.2O_xN_y with cubic
structure and its average particle size is 20～30nm, its specific surface area reaches 46.74m²/g.

Key words: TiO₂/Cr₂O₃, ammonolysis, oxynitride, nanosized powder

CLC Number:

TF123

LI Yao-Gang,GAO Lian. Synthesis and Characterization of the Nanocrystalline Ti_0.8Cr_0.2O_xN_y Powder[J]. Journal of Inorganic Materials.

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Synthesis and Characterization of the Nanocrystalline Ti_0.8Cr_0.2O_xN_y Powder

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