Sulfur optoelectronics SKKU Korea DIWafer HOPG Wildtype HumanHair FrictionalForce SoftSample OpticalElement Writing self-assembly Carbon AEAPDES Wonseok LDPE WPlug PrCurve multi_layer FastScan C36H74 domain_switching temp MESA structure MfmAmplitude PVAP3HT neodymium_magnets Metal-organicComplex BCZT LiIonBattery Filter Chungnam_National_University Edwin ChemicalCompound