A Embryonic Form of wBN Crystal in Zone of cBN Growth

ZHANG Tie-Chen; YU San; GUO Wei-Li; LIU Jian-Ting; ZOU Guang-Tian; LI Dong-Mei

doi:10.11858/gywlxb.1996.02.009

Volume 10 Issue 2

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Chinese Journal of High Pressure Physics > 1996 > 10(2): 137-140 .

ZHANG Tie-Chen, YU San, GUO Wei-Li, LIU Jian-Ting, ZOU Guang-Tian, LI Dong-Mei. A Embryonic Form of wBN Crystal in Zone of cBN Growth[J]. Chinese Journal of High Pressure Physics, 1996, 10(2): 137-140 . doi: 10.11858/gywlxb.1996.02.009

Citation:

ZHANG Tie-Chen, YU San, GUO Wei-Li, LIU Jian-Ting, ZOU Guang-Tian, LI Dong-Mei. A Embryonic Form of wBN Crystal in Zone of cBN Growth[J]. Chinese Journal of High Pressure Physics, 1996, 10(2): 137-140 . doi: 10.11858/gywlxb.1996.02.009

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A Embryonic Form of wBN Crystal in Zone of cBN Growth

doi: 10.11858/gywlxb.1996.02.009

National Key Lab for Superhard Materials, Jilin University, Changchun 130023, China

More Information

Corresponding author: ZHANG Tie-Chen
Received Date: 27 Sep 1995
Rev Recd Date: 27 Sep 1995
Publish Date: 05 Jun 1996

Abstract

Abstract

In the present paper, embryonic form of wBN crystal was observed in hBN-catalyst system after treatments under static high pressure(～5.0 GPa) and high temperature (～1500 ℃), the size of the embryonic crystal was about 20～30 nm. It is larger than the critical nuclei and smaller than the critical crystal. The phase of wBN was determined by the electron diffraction.
- EMS,
- wBN,
- embryonic crystal