HumanHair silicon_oxide DeoxyribonucleicAcid thermal_property KPFM CNT PS_PVAC nanobar PtfeFilter ForceMapping Hafnium_dioxide ScanningTunnelingMicroscopy Al2O3 LightEmission Conductive AFM Chemical Vapor Deposition PvdfFilm Calcium Polystyrene SSRM Silicon MLCC Conductivity Sphere HACrystal Step 3-hexylthiophene Hair StrontiumTitanate Reading TemperatureControl pinpoint mode Mobile Defect hetero_structure