ContactMode MBE lift_mode fluorocarbon PolymerPatterns strontiu_titanate medical BloodCell Tungsten PolyimideFilm GaP Imprint Melt Step Electronics ScanningKelvinProbeMicroscopy Roughness Ananth GaAs Phase Bacteria TemperatureControllerAFM Croatia AAO Piezoelectric Electical&Electronics Polyaniline Boundary Corrosion ThermalProperties Solution AdhesionForce molecular_beam BariumTitanate StainlessSteel