IMT_Bucharest heterojunctions polymeric_arrays Gallium_Arsenide ContactModeDots Nanotechnology StrontiumTitanate Genetic dielectric trench VinylAlcohol TPU Fendb PatternedSapphireSubstrat Hexacontane Electronics Force-distance multi_layer H-BN LiIonBattery Sphere FFM Epoxy ScanningSpreadingResistanceMicroscopy MechanicalProperty non_contact Lift Polyimide Implant DataStorage Scratch Silver ChemicalCompound BiasMode StrontiuTitanate electrospinning