organic_polymer neodymium_magnets Subhajjit CopperFoil Roughness VortexCore Gold FAPbI3 WS2 NTU Mechanical Metal-organicComplex light_emitting PolyvinylAcetate FAFailureAnlaysis Beads DNA Chrome Friction Tungsten Monisha VinylAlcohol DNAProtein LDPE OxideLayer #EC OpticalWaveguide ForceVolumeImage Croatia Dopped PolymerPatterns Adhesive Heat SingleCrystal Graphite