Shock Synthesis of a New B-C-N Compound

WANG Jun-Li; LIU Fu-Sheng; BAO Xing-Ming; PENG Xiao-Juan; MA Hai-Yun

doi:10.11858/gywlxb.2014.01.005

Volume 28 Issue 1

Mar 2015

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Chinese Journal of High Pressure Physics > 2014 > 28(1): 29-34.

WANG Jun-Li, LIU Fu-Sheng, BAO Xing-Ming, PENG Xiao-Juan, MA Hai-Yun. Shock Synthesis of a New B-C-N Compound[J]. Chinese Journal of High Pressure Physics, 2014, 28(1): 29-34. doi: 10.11858/gywlxb.2014.01.005

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WANG Jun-Li, LIU Fu-Sheng, BAO Xing-Ming, PENG Xiao-Juan, MA Hai-Yun. Shock Synthesis of a New B-C-N Compound[J]. Chinese Journal of High Pressure Physics, 2014, 28(1): 29-34. doi: 10.11858/gywlxb.2014.01.005

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Shock Synthesis of a New B-C-N Compound

doi: 10.11858/gywlxb.2014.01.005

1.
Key Laboratory of High Pressure Science and Technology, Southwest Jiaotong University, Chengdu 610031, China
2.
Department of Physics, Sichuan University of Science and Engineering, Zigong 643000, China

Received Date: 09 Jan 2012
Rev Recd Date: 27 Sep 2013

Abstract

Abstract

Theory predicts that B-C-N compounds may exist in many structural forms and have excellent physical properties.Synthesis of such materials is attracting the attentions of scientists.A two-stage light-gas gun and the corresponding shock-recovery technology were applied to explore the synthesis conditions of B-C-N compound of new phase structures under 40 GPa pressure.XRD (X-ray diffraction), HRTEM (high-resolution transmission electron microscopy), ED (electron diffraction) and XPS (X-ray photoelectron spectroscopy) analysis show that all three precursors with different atomic ratio of B, C and N can generate a new dense phase of B-C-N compound under strong shock loading of 40 GPa.Single crystals of 60 nm are directly observed in the recovery sample.The new B-C-N compound of such structure has not been reported in the literature before.Therefore, this discovery is of significance for exploring new structures of B-C-N compounds and the synthesis conditions in future; meanwhile, a new structure of B-C-N compound is waiting to be studied by theoretical researchers.
- B-C-N compounds,
- superhard material,
- shock wave synthesis,
- light gas gun

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References(22)

References

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