Moire ContactModeDot alkanes PolymerPatterns mechanical property Hexylthiophene Hole Tin sulfide Sadowski light_emission TyphimuriumBiofilm Varistor StrontiuTitanate Terrace UnivOfMaryland StyreneBeads Morphology Cell Singapore Platinum Calcite PvdfFilm VinylAlcohol SSRM 2dMaterials Yeditepe_University semifluorinated_alkane FrictionalForce ferromagnetic FFM KPFM WWafer solar_cell Pattern ScanningKelvinProbeMicroscopy