Direct deposition of graphene nanowalls on ceramic powders for the fabrication of a ceramic matrix composite
Zhou Hai-Tao1, Liu Da-Bo1, Luo Fei1, Tian Ye1, Chen Dong-Sheng1, Luo Bing-Wei1, †, Zhou Zhang2, Shen Cheng-Min2, ‡
       

(a) Low-magnification SEM image showing overall view of Si3N4 particles. (b) and (c) High-magnification image of GNWs on the particle, showing variable lateral lengths at different growth temperatures. (d) Raman spectrum. Graphene deposition parameters are: (b) 700 °C, 290 W, 90 min; (c) 600 °C, 290 W, 90 min.