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Chinese Journal of High Pressure Physics  > 2008  >  22(1): 67-71 .
CHEN Li-Xue, ZHU Pin-Wen, MA Hong-An, GUO Wei-Li, CHEN Hong-Liang, SONG Yan-Li, JIA Xiao-Peng, ZOU Guang-Tian. Study on Raman Spectrum of Synthesized cBN Crystal Block[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 67-71 . doi: 10.11858/gywlxb.2008.01.015
Citation: CHEN Li-Xue, ZHU Pin-Wen, MA Hong-An, GUO Wei-Li, CHEN Hong-Liang, SONG Yan-Li, JIA Xiao-Peng, ZOU Guang-Tian. Study on Raman Spectrum of Synthesized cBN Crystal Block[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 67-71 . doi: 10.11858/gywlxb.2008.01.015
shu

Study on Raman Spectrum of Synthesized cBN Crystal Block

doi: 10.11858/gywlxb.2008.01.015

  • National Key Laboratory for Superhard Materials, Jilin Univerisity, Changchun 130012, China

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  • Corresponding author: ZHU Pin-Wen
  • Received Date: 09 Mar 2007
  • Rev Recd Date: 04 Jun 2007
  • Publish Date: 05 Mar 2008
    Abstract
  • cBN crystals, hBN and catalyst were used as raw material, to synthesize cBN crystal block, and the synthesized cBN crystal block was characterized using confocal Raman spectroscopy. Raman spectra show that Raman peak positions, 1.088 cm-1 and 1.368 cm-1, might be induced by a new phase of BN which is an intermediate phase between hBN and cBN. This phase may be an incomplete production of the phase transition from hBN to cBN under high pressure and high temperature (HPHT). These results may be helpful to understand the mechanism of cBN formation under HPHT.

     

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