| Original Articles |
|
|
|
|
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 |
|
| Cite this article: |
|
LIU Yu-Xian, XIAO Li-Mei, YIN Long-Wei 2002 Chin. Phys. Lett. 19 1649-1652 |
|
|
|
|
Abstract Cubic boron nitride (c-BN) crystals with dimensions of 0.3-0.4 mm, which have been synthesized using lithium nitride (Li3N) 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 B25N with a = 8.79Å and c = 5.08Å, tetragonal B53N with a = 8.79Å and c = 5.08Å, and hexagonal Li3N with a = 3.648Å and c = 3.875Å.
|
| Keywords:
61.16.Bg
61.72.Qq
81.10.-h
|
|
|
Published: 01 November 2002
|
|
| PACS: |
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)
|
|
|
|
|
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
