HanyangUniv FloppyDisk LogAmplifier Fujian VerticalPFM CuFoil temperature_control temp pinpoint mode Spincast Chungnam_National_University HDD Polymer Ceramic BiFeO3 cooling SrO Perovskite FrictionalForceMicroscopy oxide_layer molecules cannabidiol StrontiumTitanate Transparent Sphere CancerCell Chemical_Vapor_Deposition BismuthFerrite Wildtype Deposition domain_switching BariumTitanate PDMS TiO2 Polydimethylsiloxane