Subhajjit Praseodymium Adhesive Mosfet STM PVAC HydroGel DeoxyribonucleicAcid Electronics FFM temp_control molecule PolyvinylideneFluoride PhaseChange Ito single_layer Pinpoint PFM NTU Nanotechnology atomic_layer Flake TiO2 Lateral SAM BismuthVanadate NeodymiumMagnets PyroelectricDetector ForceVolumeImage SKPM Composition Indium_tin_oxide STO CP-AFM Magnetic temperature controller AFM