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Synthesis and characterization of nanocrystalline hexagonal boron carbo-nitride under high temperature and high pressure

Li, X. F., Zhang, J., Shen, L. H., Lei, W. W., Yang, D. P., Cui, Q. L. and Zou, G. T. 2007, Synthesis and characterization of nanocrystalline hexagonal boron carbo-nitride under high temperature and high pressure, Journal of physics : condensed matter, vol. 19, no. 42, pp. 425235-425235, doi: 10.1088/0953-8984/19/42/425235.

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Title Synthesis and characterization of nanocrystalline hexagonal boron carbo-nitride under high temperature and high pressure
Author(s) Li, X. F.
Zhang, J.
Shen, L. H.
Lei, W. W.
Yang, D. P.
Cui, Q. L.
Zou, G. T.
Journal name Journal of physics : condensed matter
Volume number 19
Issue number 42
Start page 425235
End page 425235
Total pages 1
Publisher IOP Publishing
Place of publication London, England
Publication date 2007
ISSN 0953-8984
1361-648X
Keyword(s) condensed matter
surface
nanoscale science
Summary A study of the synthesis of hexagonal boron carbo-nitride (h-BCN) compounds via a two-step high-temperature and high-pressure (HTHP) technique using melamine (C 3N 6H 6) and boron oxide (B 2O 3) as raw materials is presented. An amorphous BCN precursor was prepared at 1000K under vacuum in a resistance furnace and then single-phase h-BCN nanocrystalline was synthesized at 1600K and 5.1GPa in a multi-anvil apparatus. X-ray diffraction (XRD) and transmission electron microscopy (TEM) indicated that the final products were pure h-BCN crystals with the lattice constants a ≤ 0.2510nm and c ≤ 0.6690nm. The average grain size was about 150nm. X-ray photoelectron spectroscopy (XPS) results confirmed the occurrence of bonding between C-C, C-N, C-B and N-B atoms. Raman scattering analysis suggested that there were three strong Raman bands centered at 1359, 1596 and 1617cm -1, respectively. The band at 1617cm -1 was considered to be consistent with the characteristic Raman peak of h-BCN.
Language eng
DOI 10.1088/0953-8984/19/42/425235
Field of Research 091205 Functional Materials
020504 Photonics, Optoelectronics and Optical Communications
100708 Nanomaterials
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, IOP Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30048231

Document type: Journal Article
Collection: Institute for Frontier Materials
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