heterojunctions LightEmission Nickel biocompatible TCS Spincast TemperatureControlledAFM Heating Scratch Calcite Metal-organicComplex neodymium_magnets oxide_layer atomic_layer TungstenThinFilmDeposition thermal_property Modulus ThinFilm Layer LateralForceMicroscopy Floppy STO DNA Hexacontane Solution self-assembly PS_PVAC TriGlycineSulphate Gong Annealed Chloroform Graphene TungstenDeposition SFAs Force-distance