Controllable preparation of tungsten/tungsten carbide nanowires or nanodots in nanostructured carbon with hollow macroporous core/mesoporous shell
Ren Xiao-Na, Xia Min †, Yan Qing-Zhi, Ge Chang-Chun ‡
       

XRD results and the FESEM images of the obtained tungsten carbide, showing ((a), (c)) W2C nanorods, and ((b), (d)) WC nanodots.