Self-assembledMonolayer piezoelectric force microscopy MeltingPoint Electrical&Electronics Gallium TCS 2d_materials Hydroxyapatite CompactDisk Cross-section Corrosion InLiquid MetalCompound Blend EPFL StyreneBeads AEAPDES cross section HBN Mfm TiO2 Polymer NUS_NNI_Nanocore Force-distance Bacterium PolyimideFilm Bacteria Polarization Beads Device HOPG Pyroelectric layers Vacuum medical