PinPointMode ScanningSpreadingResistanceMicroscopy Anneal UTEM SRAM Leakage piezoelectric force microscopy 2-vinylpyridine Mosfet Memory Hafnium_dioxide CrystalGrowing CopperFoil ItoGlass Polypropylene Boundary UnivCollegeLondon I-VSpectroscopy WS2 CuFoil PVA KPFM CrossSection Adhesion Electrical&Electronics Singapore SingleLayer Blend Logo Temperature MetalCompound cross section LightEmiting temperature controller AFM TungstenThinFilmDeposition