Low-temperature plasma enhanced atomic layer deposition of large area HfS2 nanocrystal thin films*

Project supported by the National Key Research and Development Program of China (Grant No. 2018YFB2200103).

Chang Ailing1, Mao Yichen1, Huang Zhiwei2, Hong Haiyang1, Xu Jianfang1, Huang Wei1, Chen Songyan1, Li Cheng1, †
       

Optical images of the HfS2 films deposited for 300 cycles on 300 nm SiO2/Si, sapphire, and Si substrates. (a) Bare 300 nm SiO2/Si; HfS2 films deposited on SiO2/Si at (b) 150 °C, (c) 250 °C, (d) 350 °C, (e) 450 °C; (f) bare sapphire; HfS2 films deposited on sapphire at (g) 150 °C, (h) 250 °C, (i) 350 °C, (j) 450 °C; (k) bare Si; HfS2 films deposited on Si at (l) 150 °C, (m) 250 °C, (n) 350 °C, (o) 450 °C.