Composite C-MoS2 and C-WS2 nanostructures were produced by pyrolysing H2S/N
-2 over a mixture of MoO3 (or WO3) and carbon particles/nanotubes. MoS2 par
ticles embedded in the nanotubes were also observed occasionally. (C) 2000
American Institute of Physics. [S0003- 6951(00)04948-2].