Hysteresys InsulatorFilm Led rubber GaP ImideMonomer BCZT AIN vertical_PFM Formamidinium_lead_iodide Pvdf Lift CrossSection NUS_NNI_Nanocore Phthalocyanine TyphimuriumBiofilm LateralPFM SrO Floppy Defects TemperatureControl UnivCollegeLondon TCS mono_layer EFM Growing ForceDistanceSpectroscopy PUR Reading Oxide Dental ContactModeDots organic_polymer cross section DOE