Ucl Writing Imprint INSP Tin sulfide OpticalModulator HighResolution Techcomp DeoxyribonucleicAcid heterojunctions MolecularSelfAssembly Conduct Hafnium_dioxide PpLdpe Blend PolymerPatterns atomic_steps dielectric_trench C36H74 KelvinProbeForceMicroscopy PDMS AtomicLayer ScanningKelvinProbeMicroscopy LiftHeight ScanningSpreadingResistanceMicroscopy blended polymers PMNPT SingleLayer University_of_Regensburg molecular_beam Al2O3 Sadowski NusEce C60H122 Gallium