piezoelectric force microscopy MfmPhase Mechinical NusEce PetruPoni_Institute Edwin Morphology AEAPDES molecular_beam Galfenol Moire SFAs Organic Litho Tin sulfide CompactDisk TappingMode LifeScience Growing Self-assembledMonolayer PpLdpe HardDisk ring shape F14H20 CuFoil lithography optoelectronics Techcomp PtfeMembrane SmalScan ScanningSpreadingResistanceMicroscopy PolyvinylAcetate MfmAmplitude Wonseok Al2O3