Fig. 1. Schematic chassis diagram of the movable tube furnace

Fig. 2. Schematic diagram of growing GaSe by a movable device, and the moving track of the furnace is ①→②→③

Fig. 3. Schematic diagram of growing GaSe by experiment 1 in the moving method

Fig. 4. Schematic diagram of growing GaSe by the Experiment 2 in the moving method

Fig. 5. Schematic diagram of growth GaSe by a traditional CVD method

Fig. 6. Schematic optical diagram of growing GaSe by traditional CVD method

Fig. 7. Schematic diagram of changing growth time of GaSe