Ni-FeAlloy TyphimuriumBiofilm University_of_Regensburg PhaseChange Graphene HOPG SKKU Vinylpyridine Optoelectronic Polymer LiNbO3 FrictionForce Composite SiliconeOxide FrictionalForce HBN FrictionalForceMicroscopy Temperature FM_SKPM Blend nanobar Sulfur single_layer PS_PVAC Chrome domain_switching Lanthanum_aluminate Nanopattern PVAP3HT WPlug Transparent CVD BaTiO3 3-hexylthiophene dichalcogenide