PANI Bismuth Wildtype plastic biocompatible Styrene Sidewall VortexCore high_resolution non_contact Yeditepe_University Materials Pzt ito_film piezoelectric force microscopy SrTiO3 Spincast Edwin Phenanthrene Lanthanum_aluminate LiBattery ContactModeDots margarine 2d_materials NUS_NNI_Nanocore Optoelectonics KAIST self-assembled_monolayer UnivCollegeLondon Polymer MonoLayer molecule Pipette CeNSE_IISc PFM