Protein MLCC Silicon Force-distance BiFeO3 YszSubstrate tip_bias_mode GlassTemperature Polydimethylsiloxane Tape PinPointMode Indium_tin_oxide SingleCrystal Mechanical F14H20 silicon_carbide Beads HfO2 Holes PiezoelectricForceMicroscopy WPlug Hexatriacontane Switching TemperatureControllerAFM Formamidinium_lead_iodide atomic_steps OxideLayer HBN ContactMode PhaseImaging Yeditepe_University BiVO4 VortexCore LateralPFM HafniumDioxide