BariumTitanate STM PS_LDPE Blood pulsed_laser_deposition Bio Sadowski organic_polymer LateralForceMicroscopy C_AFM Ferroelectric Styrene LeakageCurrent PMNPT GaN bias_mode ChemicalCompound GlassTemperature FrictionForce Ram ItoGlass mechanical_property semifluorinated_alkane PVAC Blend single_layer Fluoride LateralPFM ElectroDeposition AtomicSteps Hair NUS_Physics Non-ContactMode Vacuum ContactModeDots