Author: "Qian, Yitai" / Journal: materials letters / Topic: transmission electron microscopy and x-ray diffraction - Searchworks@Jio Institute Digital Library Search Results

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Start Over Author "Qian, Yitai" Topic transmission electron microscopy Topic x-ray diffraction Journal materials letters

Author: Cai, Peijun, Yang, Zeheng, Wang, Chenyi, Xia, Ping, and Qian, Yitai
Subjects: *NANOCRYSTALS, *FLUIDS, *SODIUM, *MORPHOLOGY
Abstract: Abstract: Nanocrystalline vanadium nitride (VN) was prepared by a direct thermal liquid–solid reaction between vanadium chloride (VCl4) and sodium azide (NaN3) at 600 °C. Characterized by XRD, TEM, XPS and PL, the composition and morphology of the product were confirmed. The possible reaction mechanism was also discussed. [Copyright &y& Elsevier]
Published: 2006
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Author: Chen, Luyang, Huang, Mingxing, Luo, Tao, Gu, Yunle, Shi, Liang, Yang, Zeheng, and Qian, Yitai
Subjects: *BORON nitride, *NITRIDES, *LOW temperatures, *TRANSMISSION electron microscopy
Abstract: Abstract: Nanocrystalline boron nitride (BN) was prepared by the reaction of BBr3 and Mg3N2 at 400 °C. X-ray powder diffraction (XRD) patterns can be indexed as hexagonal BN with the lattice constants of a=2.504 and c=6.671 Å. The transmission electron microscopy (TEM) images showed whisker-like and flake-like morphology. The product was also characterized by X-ray photoelectron spectrum (XPS) and Fourier transformation infrared spectroscopy (FTIR). [Copyright &y& Elsevier]
Published: 2004
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Author: Chen, Luyang, Huang, Mingxing, Gu, Yunle, Shi, Liang, Yang, Zeheng, and Qian, Yitai
Subjects: *X-ray diffraction, *DENDRITIC crystals, *PHOSPHIDES, *TRANSMISSION electron microscopy
Abstract: Zirconium phosphide (ZrP) has been synthesized via a sodium co reduction of ZrCl4 and PCl3 at 350 °C. The X-ray powder diffraction (XRD) pattern can be indexed as cubic ZrP with the lattice constant a=5.25 Å. The transmission electron microscopy (TEM) image indicates the product has dendritic morphology and hexagonal flakes. [Copyright &y& Elsevier]
Published: 2004
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