title: Antiferroelectric Thin-Film Capacitors with High Energy-Storage Densities, Low Energy Losses, and Fast Discharge Times.
abstract: We demonstrate a capacitor with high energy densities, low energy losses, fast discharge times, and high temperature stabilities, based on Pb(0.97)Y(0.02)[(Zr(0.6)Sn(0.4))(0.925)Ti(0.075)]O3 (PYZST) antiferroelectric thin-films. PYZST thin-films exhibited a high recoverable energy density of U(reco) = 21.0 J/cm(3) with a high energy-storage efficiency of η = 91.9% under an electric field of 1300 kV/cm, providing faster microsecond discharge times than those of commercial polypropylene capacitors. Moreover, PYZST thin-films exhibited high temperature stabilities with regard to their energy-storage properties over temperatures ranging from room temperature to 100 °C and also exhibited strong charge-discharge fatigue endurance up to 1 × 10(7) cycles.
authors.affiliation: Department of Physics and EHSRC, University of Ulsan , Ulsan 680-749, Republic of Korea.
authors.forename: Chang Won
authors.initials: CW
authors.lastname: Ahn
authors.affiliation: Department of Physics and EHSRC, University of Ulsan , Ulsan 680-749, Republic of Korea.
authors.forename: Gantsooj
authors.initials: G
authors.lastname: Amarsanaa
authors.affiliation: Department of Physics and EHSRC, University of Ulsan , Ulsan 680-749, Republic of Korea.
authors.forename: Sung Sik
authors.initials: SS
authors.lastname: Won
authors.affiliation: Department of Physics and EHSRC, University of Ulsan , Ulsan 680-749, Republic of Korea.
authors.forename: Song A
authors.initials: SA
authors.lastname: Chae
authors.affiliation: Department of Physics and EHSRC, University of Ulsan , Ulsan 680-749, Republic of Korea.
authors.forename: Dae Su
authors.initials: DS
authors.lastname: Lee
authors.affiliation: Department of Physics and EHSRC, University of Ulsan , Ulsan 680-749, Republic of Korea.
authors.forename: Ill Won
authors.initials: IW
authors.lastname: Kim
keywords: antiferroelectrics; energy storage; fatigue; solid-state dielectric capacitors; thin-films