Etch HighResolution optoelectronics WS2 Wildtype cannabinoid flakes dielectric trench oxide_layer Floppy semifluorinated_alkanes Polyvinylidene Vacuum ULCA DiffractiveOpticalElements Ucl UnivMaryland thermoplastic_elastomers BCZT EFM ito_film Ferrite Dr.JurekSadowski SiliconCrystal InLiquid vertical_PFM Transparent nanobar Ananth Vanadate HOPG SThM Zagreb Perovskite WPlug