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Achieving an ultra-high capacitive energy density in ferroelectric films consisting of superfine columnar nanograins

Materials ScienceElectrical EngineeringEngineeringHybrid CapacitorNanomaterialsNanotechnologyNanoelectronicsFerroelectric ApplicationApplied PhysicsSupercapacitorFerroelectric FilmsElectrochemical Double Layer CapacitorSuperfine Columnar Nanograins