| 在触媒生长cBN区观察到wBN晶粒 |
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| 引用本文： | 张铁臣,于三.在触媒生长cBN区观察到wBN晶粒[J].高压物理学报,1996,10(2):137-140. |
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| 作者姓名： | 张铁臣 于三 |
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| 作者单位： | 吉林大学超硬材料国家重点实验室 |
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| 摘 要： | 用高分辨率（0.2 nm）电子显微镜，对hBN-触媒体系经高温高压处理后的产物观察中，看到尺寸约为30 nm的微小颗粒，经电子衍射方法判定其具有纤锌矿结构，为wBN的雏形晶粒。
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| 关 键 词： | 电镜观测 wBN 雏形晶粒 |
| 收稿时间： | 1995-09-27; |
A EMBRYONIC FORM OF wBN CRYSTAL IN ZONE OF cBN GROWTH |
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| Zhang Tiechen,Yu San,Guo Weili,Liu Jianting,Zou Guangtian,Li Dongmei.A EMBRYONIC FORM OF wBN CRYSTAL IN ZONE OF cBN GROWTH[J].Chinese Journal of High Pressure Physics,1996,10(2):137-140. |
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| Authors: | Zhang Tiechen Yu San Guo Weili Liu Jianting Zou Guangtian Li Dongmei |
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| Institution: | National Key Lab for Superhard Materials, Jilin University, Changchun 130023, China |
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| 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. |
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| Keywords: | EMS wBN embryonic crystal |
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