lift_mode StrontiuTitanate FAFailureAnlaysis Vinylpyridine SPMLabs Heat Polyimide YszSubstrate Trench Piranha Blood Gold bias_mode piezoelectric force microscopy Global_Comm AtomicSteps Wonseok hetero_structure Plug Bacteria InorganicCompound CuFoil Dimethicone Cell STM margarine ThermalProperties Annealed Blend SKKU OpticalWaveguide Polyvinylidene AM_SKPM HardDisk plastic