Fig. 4
From: Phase-change-driven dielectric-plasmonic transitions in chalcogenide metasurfaces
Swiching contrast and color change. Relative a transmission and b reflection changes induced by the structural change between the amorphous and crystalline phases of the GST metasurfaces with different periods (as labeled). c Corresponding reflection (circles) and transmission (squares) CIE color palettes with the marked points indicating the metasurfaces [P = 250–400 nm] shown for both the amorphous (unfilled) and crystalline (filled) phases. d Color change resulting from the phase transition quantified as the Euclidean distance [D] in the CIE color plot between corresponding amorphous and crystalline points, given as a function of the metamaterial period
