HDD ThermalDetectors IMT_Bucharest PvdfFilm Ferroelectric Electical&Electronics PVA Battery HexagonalBN GlassTemp Conductivity TemperatureControllerAFM Potential Polypropylene Hexacontane silicon_oxide Nanotechnology VerticalPFM Yttria_stabilized_Zirconia I-VSpectroscopy BiFeO3 SetpointMode thermal_conductivity Epoxy NUS_Physics atomic_layer polyvinyl acetate IndiumTinOxide Polyimide Aluminum FFM Pores fifber Chungnam_National_University Roughness