GaP CrystalGrowing Patterns phase_change Hair Korea OrganicCompound ScanningIon-ConductanceMicroscopy margarine Solar Polyurethane Microchannel frequency_modulation Protein MESA structure LFM LowDensityPolyethylene Chrome oxide_layer FrictionForce Hydroxyapatite KPFM Al2O3 Sperm PhaseChange Praseodymium Treatment WWafer PolyStylene AtomicLayer Cross-section kelvin probe force microscopy PMNPT PiezoelectricForceMicroscopy FastScan