Fig. 1: Structural and optical properties of (R/S-MBA)2CuCl4 thin films. | Nature Communications

Fig. 1: Structural and optical properties of (R/S-MBA)2CuCl4 thin films.

From: Accurate single-shot full-Stokes detection enabled by heterogeneous grain orientations in polycrystalline films

Fig. 1

a Schematic diagram of (R/S-MBA)2CuCl4 polycrystalline thin films. b Views of the crystal structure along the a-axis (top) and the b-axis (bottom). c The GIWAXS pattern of (S-MBA)2CuCl4 thin film. d DFT calculated dielectric functions with electric field oscillating along the a-axis (blue) and the b-axis (orange). Solid and dash lines represent the real and imaginary parts of dielectric function, respectively. e Experimental validation of linear dichroism. f TD-DFT calculated excited state properties of a (CuCl4)2− anion. Two major band-to-band transitions (2.85 eV, left; 2.90 eV, right) are included, which correspond to the CD peak at 400 nm. Electron (top) and hole (bottom) density distributions of each transition are depicted in yellow. Electric and magnetic transition dipole moments are labeled. g Experimental CD and h gCD of (R/S-MBA)2CuCl4 thin films.

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