Beads pulsed_laser_deposition CuParticle SingleCrystal GaAs #Materials heterojunctions polyvinyl acetate optoelectronics plastic Bismuth Copper Regensburg Crystal self_healing Croatia strontiu_titanate NtuEee Granada OpticalWaveguides SRAM Solution align Dr.JurekSadowski NUS semifluorinated_alkanes Aluminum BiasMode Materials Chromium MeltingPoint PpLdpe CrAu Bio PolyimideFilm