InsulatorFilm PECurve phase_change Conduct Treatment DeoxyribonucleicAcid Subhajjit BoronNitride Gallium_Arsenide UnivCollegeLondon NUS_NNI_Nanocore BiVO4 Graphene SFAs Chromium GalliumPhosphide Sio2 FrictionalForceMicroscopy hetero_structure Ptfe mfm_amplitude LateralPFM Mapping Indent Defect amplitude_modulation light_emitting TiO2 Moire Polyimide Leakage thermoplastic_elastomers Growing Fiber Electical&Electronics