AlkaneFilm NUS_NNI_Nanocore FloppyDisk Temasek_Lab temperature controller AFM Hexacontane CalciumHydroxyapatite LateralForceMicroscopy PUR IMT_Bucharest dielectric trench Scratch PS_PVAC GaAs thermoplastic_elastomers Photovoltaics SAM BiVO4 Strontium OrganicCompound heterojunctions LeakageCurrent NUS ContactMode SelfAssembly Solar HanyangUniv Mechanical&nanotechnology thermal_property Worcester_Polytechnic_Institute DLaTGS ThermalDetectors Fluoride DOE Alkane