Defects HDD HiVacuum SurfaceChange PVA NiFe ContactMode Lateral_Force_Microscopy PiezoelectricForceMicroscopy light_emitting Varistor DOE plastic NUS DataStorage Gallium 3-hexylthiophene Silver Device PpLdpe CrossSection Chloroform FailureAnlaysis Mosfet HydroGel BaTiO3 Domain semifluorinated alkane F14H20 sputter Heat MoS2 PetruPoni_Institute NTU Magnetic Force Microscopy