GalliumPhosphide neodymium_magnets FM-KPFM LiIonBattery ScratchMode PrCurve Resistance MembraneFilter MonoLayer CP-AFM Piezoresponse DNA membrane hydrocarbon PVAP3HT MBE WS2 Praseodymium NanoLithography dielectric trench Sadowski PtfeFilter Domain Organic TempControl Celebration Ca10(PO4)6(OH)2 LFM HOPG Flake Aggregated_molecules Al2O3 Zagreb Bio Composite