Heating kelvin probe force microscopy atomic_layer Sphere Polypropylene Polarization PhaseImaging ferromagnetic AEAPDES CeNSE_IISc Water Vanadate PFM ContactModeDot oxide_layer Ecoli SmallScan KevlarFiber PolyvinylideneFluoride Polyimide Composition PiezoelectricForceMicroscopy CuSubstrate ThermalDetectors Laser domain_switching HexagonalBoronNitride LithiumNiobate HfO2 Fluoride Formamidinium_lead_iodide Ferroelectric Oxide Cobalt-dopedIronOxide Hexylthiophene