SoftSample epitaxy ScanningSpreadingResistanceMicroscopy Aluminum TyphimuriumBiofilm FastScan CuFoil Fet Oxide STO Pipette Vinylpyridine lithography Piezoresponse NtuEee ReflexLens plastics Filter mechanical property Hafnia OpticalWaveguide IcelandSpar Polyethylene temperature controller AFM HighAcpectRatio small_scan BismuthVanadate Steps Zagreb VortexCore Praseodymium FrictionalForce SmallScan Co/Cr/Pt Mobile