semifluorinated_alkane ScanningTunnelingMicroscopy BCZT Worcester_Polytechnic_Institute Celebration CancerCell Sio2 sputter Transparent Deposition Alkane Ferroelectric LithiumNiobate Domain CuFoil Hafnium_dioxide Cobalt HighAspect Lateral TipBiasMode Composition MeltingPoint Stiffness thermal_property SSRM piezoelectric force microscopy FAPbI3 Tungsten_disulfide Mechinical OpticalElement domain_switching FrictionForce Pvdf fluoroaalkane SiWafer