Production of a large area diffuse arc plasma with multiple cathode
Wang Cheng1, †, Cui Hai-Chao1, Li Wan-Wan1, Liao Meng-Ran1, Xia Wei-Luo2, Xia Wei-Dong1
       

SEM images of the particles produced cut by a diamond blade, showing (a) a single pore, (b) a big pore with several small pores.