2-vinylpyridine Aluminum LifeScience CaMnO3 Lift Mfm Monisha Protein nanobar FrictionalForceMicroscopy DIWafer PinpointPFM Organic pulsed_laser_deposition CrystalGrowing HfO2 MfmAmplitude Ceramic Wonseok chemical_compound Fendb Optic Chromium BariumTitanate atomic_layer CalciumHydroxyapatite MultiferroicMaterials self-assembly tip_bias_mode AM-KPFM NUS fluorocarbon MagneticForceMicroscopy AtomicSteps Phosphide