2015
DOI: 10.4313/teem.2015.16.1.1
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Preparation and Field-Induced Electrical Properties of Perovskite Relaxor Ferroelectrics

Abstract: Ba 0.2 ZrO 3 (PBZ) perovskite relaxor ferroelectric thin films were fabricated on Pt(111)/TiO x /SiO 2 /Si substrate by sol-gel method. Nano-scaled antiferroelectric and ferroelectric two-phase coexisted in both (111)-oriented and random oriented PBZ thin film. High dielectric tunability (η = 75%, E = 560 kV/ cm) and figure-of-merit (FOM ~ 236) at room temperature was obtained in (111)-oriented thin film. Meanwhile, giant electrocaloric effect (ECE) (ΔT = 45.3 K and ΔS = 46.9 JK-1 kg-1 at 598 kVcm-1) at room t… Show more

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Cited by 2 publications
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“…The PE, FE, AFE, and RFE nature of electro-ceramics are extensively investigated regarding their energy storage density properties and related applications. [1][2][3][4][5][6] Focus is given to those materials with a high stored energy density and energy efficiency because they can be used in various applications, from general (camera flashes, wind turbine generators, high-frequency inverters, and hybrid electric vehicles) and medical (pacemakers, defibrillators, and surgical lasers) to defense (radar and ballistic missiles) applications. [7][8][9] Among PE, FE, and RFE, ceramics with an AFE nature have greater energy storage with moderate efficiency given their special double-type hysteresis.…”
Section: Introductionmentioning
confidence: 99%
“…The PE, FE, AFE, and RFE nature of electro-ceramics are extensively investigated regarding their energy storage density properties and related applications. [1][2][3][4][5][6] Focus is given to those materials with a high stored energy density and energy efficiency because they can be used in various applications, from general (camera flashes, wind turbine generators, high-frequency inverters, and hybrid electric vehicles) and medical (pacemakers, defibrillators, and surgical lasers) to defense (radar and ballistic missiles) applications. [7][8][9] Among PE, FE, and RFE, ceramics with an AFE nature have greater energy storage with moderate efficiency given their special double-type hysteresis.…”
Section: Introductionmentioning
confidence: 99%