TiO2 Memory plastic Temperature BaTiO3 cannabinoid Vortex CuParticle SRAM AtomicSteps ContactModeDots norganic ring shape MonoLayer frequency_modulation Nanopattern CuSubstrate FailureAnalysis Leakage CeNSE_IISc Mechinical atomic_layer KAIST Solar HfO2 HardDiskMedia Adhesive TemperatureControllerStage Beads epitaxy Polyethylene NUS_Physics AEAPDES Conductive AFM pinpoint mode