IcelandSpar Array NUSNNI Alkane Chemical Vapor Deposition non_contact PECurve Sperm ScanningKelvinProbeMicroscopy conductive Ni-FeAlloy Laser Chungnam_National_University CHRYSALIS_INC TemperatureControlledAFM ForceDistanceSpectroscopy molecules NUS_Physics MfmAmplitude Fendb BismuthVanadate fifber Conductivity Melt FM_SKPM gallium_nitride amplitude_modulation Wang LiftMode DentalProsthesis SSRM China H-BN Collagen MultiLayerCeramicCapacitor