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| 1 | Progress and perspectives in dielectric energy storage ceramics显示文摘Dielectric ceramic capacitors,with the advantages of high power density,fast chargedischarge capability,excellent fatigue endurance,and good high temperature stability,have been acknowledged to be promising candidates for solid-state pulse power systems.This review investigates the energy storage performances of linear dielectric,relaxor ferroelectric,and antiferroelectric from the viewpoint of chemical modification,macro/microstructural design,and electrical property optimization.Research progress of ceramic bulks and films for Pb-based and/or Pb-free systems is summarized.Finally,we propose the perspectives on the development of energy storage ceramics for pulse power capacitors in the future. | Dongxu LI Xiaojun ZENG Zhipeng LI Zong-Yang SHEN Hua HAO Wenqin LUO Xingcai WANG Fusheng SONG Zhumei WANG Yueming LI | 2021 | Journal of Advanced Ceramics2021，10，4： | 16 |
| 2 | Design of flexible inorganic BiFe_(0.93)Mn_(0.07)O_(3) ferroelectric thin films for nonvolatile memory显示文摘Flexible ferroelectric memories,endowing with high data storage density,provide a chance for the nextgeneration wearable electronics.Here,flexible inorganic Mn-doped BiFeO_(3) thin films were directly integrated on fluorophlogopite mica(F-Mica)substrates by an easy and low-cost all solution chemical solution deposition(AS-CSD)route.The integration of LaNiO_(3) buffer layer can improve the film surface density and uniformity.The flexible characteristic can be achieved by reducing the thickness of F-Mica substrates for the ferroelectric thin films.In contrast to BiFe_(0.93)Mn_(0.07)O_(3)/LaNiO_(3)/Si thin film deposited on rigid substrates(Si),the BiFe_(0.93)Mn_(0.07)O_(3)/LaNiO_(3)/F-mica fabricated on F-Mica show better ferroelectric performances due to the improved crystal growth and less defects.More importantly,the obtained BiFe_(0.93)Mn_(0.07)O_(3)/LaNiO_(3)/F-mica ferroelectric thin films still show large remnant polarization of Pr ~64 μC/cm^(2)(deterioration of ~7.2%),good antifatigue properties up to 1.2×10^(8) cycles and outstanding retention behaviors for 1.6×10^(4) s after continuous bending.This work will provide a feasible route to fabricate flexible inorganic ferroelectric thin films through low-cost solution method and show attractive comprehensive performances in next-generation wearable smart devices. | Bingbing Yang Chenhui Li Miao Liu Renhuai Wei Xianwu Tang Ling Hu Wenhai Song Xuebin Zhu Yuping Sun | 2020 | Journal of Materiomics2020，6，3： | 0 |
| 3 | A/B位离子掺杂BiFeO_(3)纳米薄膜的微结构与铁电性能显示文摘采用化学溶液法结合层层旋涂退火工艺,在掺氟氧化锡导电玻璃基片上制备了BiFe_(0.9)5Mn_(0.05)O_(3)和Bi_(0.9)Nd_(0.1)FeO_(3)纳米晶铁电薄膜,并分析比较了其微结构和铁电性能。结果表明:2组分样品均为单相多晶钙钛矿结构,晶粒细小均匀,表面平整,结构致密。两薄膜均获得了饱和电滞回线,且BiFe_(0.9)5Mn_(0.05)O_(3)薄膜具有向上的择优取向极化和更优异的铁电性能,其剩余极化强度(Pr)达60mC·cm^(–2),在1~50 k Hz频率范围与25~200℃温度区间内铁电极化响应稳定,保持时间长达1′10^(3) s工作与反复极化翻转高达1′10^(9)次表现出优异的电荷保持力和抗疲劳稳定性。 | 韩亚洁 钱进 王建荣 林秀娟 杨长红 黄世峰 | 2021 | 硅酸盐学报2021，49，3： | 0 |
| 4 | Tunable polarization-drived high energy storage performances in flexible PbZrO_(3)films by growing Al_(2)O_(3)nanolayers显示文摘In recent years,PbZrO_(3)(PZO)films have become favorable electric storage materials due to the unique electric field-induced phase transition behavior,but the severe hysteresis effect leads to low energy storage density and efficiency.In this work,inserting Al_(2)O_(3)(AO)insulation nanolayers is proposed to tune the polarization behavior of flexible PZO films,anticipating optimization of energy storage performance.The results show that the thickness of the AO nanolayers has a deep influence on the polarization behavior of the PZO films,and PZO/AO/PZO(PAP)sandwiched films with 8 nm AO interlayer deliver relaxor ferroelectric-like polarization instead of antiferroelectric counterpart.To further utilize the AO nanolayers as top/bottom layers,the linear-like polarization and the highest breakdown strength are achieved in the AO/PZO/AO/PZO/AO(APAPA8)multilayer films,leading to both high discharged energy storage density of 35.2 J/cm^(3) and efficiency of 92.9%,as well as excellent fatigue and bending endurance,good temperatures,and frequency stability.The tunable polarization induced by growing the AO nanolayers makes antiferroelectric PZO films have great potential to be used as energy storage dielectrics. | Chao Yin Tiandong Zhang Zhuangzhuang Shi Bowen Zhang Changhai Zhang Qingguo Chi | 2023 | Journal of Advanced Ceramics2023，12，11： | 0 |
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