Fujian Display Tungsten_disulfide SThM Electrical&Electronics Optoelectonics Nickel SFAs Polypropylene Mapping Vortex ferromagnetic PS_LDPE #Materials kelvin probe force microscopy Bacteria Perovskite LMF Yeditepe Fet PyroelectricDetector Singapore Blood Filter Magnetic MBE StainlessSteel NUS Array Hydroxyapatite Composition molecular_self_assembly self-assembled_monolayer Electical&Electronics ScanningKelvinProbeMicroscopy