ring shape Calcite HOPG conductive StrontiumTitanate #EC Molybdenum_disulfide Tapping Epoxy Ptfe Annealing Phosphide Dopped UnivOfMaryland cannabinoid PhaseImaging SKPM MagneticPhase NUSNNI Optoelectronic LightEmission Memory Fe_film BiFeO3 Magnetic Dr.JurekSadowski Varistor graphene_hybrid piezoelectric force microscopy Solar Lateral_Force_Microscopy Adhesive thermal_conductivity WPlug Treatment