Nanocrystalline aluminum nitride (whisker and particle) has been synth
esized by heating the mixed aluminum+aluminum nitride ultrafine powder
s (UFPs) produced by nitrogen plasma-molten aluminum reaction, under N
-2 atmosphere at lower temperature. Some bamboo-like nano- whiskers of
aluminum nitride were observed in TEM, the possible formation mechani
sm of the whiskers was also disucssed.