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Synthesis of nanocrystalline titanium nitride by reacting titanium dioxide with sodium amide
Affiliation:1. School of Materials Science and Engineering, Xihua University, Chengdu, PR China;2. School of Manufacturing Science and Engineering, Sichuan University, Chengdu, PR China;3. Centre for Infrastructure Performance and Reliability, The University of Newcastle, Newcastle, Australia;1. Graduate School of Engineering, Hokkaido University, N-13 W-8, Sapporo, 060-8628, Japan;2. Center for Advanced Research of Energy and Materials, Faculty of Engineering, Hokkaido University, N-13 W-8, Sapporo, 060-8628, Japan;3. Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan;4. Natural Science Center for Basic Research and Development, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8530, Japan;1. Institute of Tools Surface Engineering, School of Mechanical Engineering, Taizhou University, Taizhou 318000, PR China;2. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, PR China;1. School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China;2. Suzhou Research Institute of Southeast University, Suzhou 215123, China
Abstract:A new method for synthesis of nanocrystalline titanium nitride was developed through the reaction of titanium oxide and sodium amide at 500–600 °C for 12 h in an autoclave. X-ray diffraction (XRD) and electron diffraction (SAED) results indicated the product had a cubic phase with lattice parameter a = 4.242 Å. Transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM) revealed that the particle sizes were 10 to 40 nm. Quantitative analysis using X-ray photoelectron spectrum (XPS) showed the atomic ratio Ti:N was 1.03:1.
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