We annealed the films at different temperatures (100, 150 and 200 °C) under N2 ambient for 8 h, and characterized the crystallinity and morphology of the Bi–Te films.
We annealed the films at different temperatures (100, 150 and 200 °C) under N2 ambient for 8 h, and characterized the crystallinity and morphology of the Bi–Te films.