ormation of Nanosized Inclusions in Cubic Boron Nitride Single Crystals
LIU Yu-Xian, XIAO Li-Mei, YIN Long-Wei
School of Materials Science and Engineering, Shandong University, Ji’nan 250061
ormation of Nanosized Inclusions in Cubic Boron Nitride Single Crystals
LIU Yu-Xian;XIAO Li-Mei;YIN Long-Wei
School of Materials Science and Engineering, Shandong University, Ji’nan 250061
关键词 ：
61.16.Bg ,
61.72.Qq ,
81.10.-h
Abstract ： Cubic boron nitride (c-BN) crystals with dimensions of 0.3-0.4 mm, which have been synthesized using lithium nitride (Li3 N) as a catalyst with a high-pressure high-temperature method, were examined by transmission electron microscopy (TEM). The TEM result shows that there exits some nanostructrued areas containing several types of nanosized foreign particles within the as-grown c-BN crystals. We find that the nanometer inclusions are hexagonal BN with the lattice constants of a = 2.054Å and c = 6.66Å, tetragonal B25 N with a = 8.79Å and c = 5.08Å, tetragonal B53 N with a = 8.79Å and c = 5.08Å, and hexagonal Li3 N with a = 3.648Å and c = 3.875Å.
Key words ：
61.16.Bg
61.72.Qq
81.10.-h
出版日期: 2002-11-01
:
61.16.Bg
61.72.Qq
(Microscopic defects (voids, inclusions, etc.))
81.10.-h
(Methods of crystal growth; physics and chemistry of crystal growth, crystal morphology, and orientation)
引用本文:
LIU Yu-Xian;XIAO Li-Mei;YIN Long-Wei. ormation of Nanosized Inclusions in Cubic Boron Nitride Single Crystals[J]. 中国物理快报, 2002, 19(11): 1649-1652.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I11/1649
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