Formamidinium_lead_iodide ForceVolume CalciumHydroxyapatite Styrene KelvinProbeForceMicroscopy Alkane atomic_steps thermoplastic_elastomers Sulfur VortexCore SetpointMode IMT_Bucharest hetero_structure Subhajjit ShenYang temp AM_KPFM Defect Bio organic_polymer Permalloy AM-KPFM DomainSwitching SingleCrystal C60H122 Lift #Materials Mechanical SelfAssembly Pipette Polyvinylidene_fluoride Workfunction GlassTemp optoelectronics Oxidation