Vortex Magnets semifluorinated alkane Fet HOPG OrganicCompound Epoxy MechanicalProperties Al2O3 CompactDisk Korea Vinylpyridine Floppy StyreneBeads PvdfBead UTEM HumanHair TCS PyroelectricDetector Chrome Bmp Conductivity Defect MultiferroicMaterials KevlarFiber CaMnO3 Litho SurfaceChange NUS_Physics Morphology Titanate Gong Lateral_Force_Microscopy bias_mode Temasek_Lab