fig3

Figure 3. Phase distribution map of Ge-Sb-Se SLL thin films. (A) GSSe-1 after annealed at 423 K for 1 h; (B) GSSe-1 after annealed at 573 K for 1 h; (C) GSSe-2 after annealed at 423 K for 1 h; (D) GSSe-2 after annealed at 573 K for 1 h.