kelvin probe force microscopy CuParticle high_resolution BoronNitride Lattice Gallium HexagonalBN Mosfet ElectroDeposition Adhesion NUS Lateral Litho ThermalConductivity PVAP3HT StyreneBeads FAFailureAnlaysis HydroGel hard_disk Topography MoS2 Pores Friction VerticalPFM NUSNNI PvdfBead GlassTemp LaAlO3 Polyaniline DeoxyribonucleicAcid 3-hexylthiophene DIWafer Sidewall Vac HfO2