Figure 9.
GST-based multicolor changeable optical coating. (a) A depicted working mechanism of two GST layers separated by an oxide under amorphous and crystalline phases; (b) Three different groups of GST/oxide/GST samples under the crystalline, semicrystalline, and amorphous phases. The simulated reflectance of multilayer coatings under (c) amorphous and (d) crystalline phases; (e) Sketch of CAFM for the electrical response of the device. Three distinct color phases of the samples obtained using (f) an optical microscope and (g) a confocal laser scanning microscope (CLSM). Adapted from [73], with permission from © 2016 American Chemical Society.