Search Results - "Ji, Hongfen"

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  1. 1

    Electroceramics for High-Energy Density Capacitors: Current Status and Future Perspectives by Wang, Ge, Lu, Zhilun, Li, Yong, Li, Linhao, Ji, Hongfen, Feteira, Antonio, Zhou, Di, Wang, Dawei, Zhang, Shujun, Reaney, Ian M

    Published in Chemical reviews (26-05-2021)
    “…Materials exhibiting high energy/power density are currently needed to meet the growing demand of portable electronics, electric vehicles and large-scale…”
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  2. 2

    Mechanism of enhanced energy storage density in AgNbO3-based lead-free antiferroelectrics by Lu, Zhilun, Bao, Weichao, Wang, Ge, Sun, Shi-Kuan, Li, Linhao, Li, Jinglei, Yang, Huijing, Ji, Hongfen, Feteira, Antonio, Li, Dejun, Xu, Fangfang, Kleppe, Annette K., Wang, Dawei, Liu, Shi-Yu, Reaney, Ian M.

    Published in Nano energy (01-01-2021)
    “…The mechanisms underpinning high energy storage density in lead-free Ag1–3xNdxTayNb1-yO3 antiferroelectric (AFE) ceramics have been investigated. Rietveld…”
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  3. 3

    High‐energy storage performance in BaTiO3‐based lead‐free multilayer ceramic capacitors by Yang, Huijing, Bao, Weichao, Lu, Zhilun, Li, Linhao, Ji, Hongfen, Huang, Yuhe, Xu, Fangfang, Wang, Ge, Wang, Dawei

    Published in Journal of materials research (28-03-2021)
    “…Lead-free BaTiO 3 (BT)-based multilayer ceramic capacitors (MLCCs) with the thickness of dielectric layers ~9 μm were successfully fabricated by tape-casting…”
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  4. 4

    High piezoelectricity of BiScO3-PbTiO3 ceramics prepared by two step sintering by Dai, Zhonghua, Xie, Jinglong, Liu, Weiguo, Ge, Shaobo, Fang, Minxia, Lin, Dabin, Pang, Lixia, Ji, Hongfen, Zhou, Shun, Ren, Xiaobing

    Published in Materials letters (15-04-2019)
    “…•A precise compensation for reduced oxides was adopted from the real weight loss of Bi2O3 and PbO materials.•High piezoelectric coefficient d33 of BSPT…”
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  5. 5

    Preparation of polymer/silica/polymer tri-layer hybrid materials and the corresponding hollow polymer microspheres with movable cores by Ji, Hongfen, Wang, Siping, Yang, Xinlin

    Published in Polymer (Guilford) (02-01-2009)
    “…Tri-layer poly(methacrylic acid-co-ethyleneglycol dimethacrylate)/silica/poly(ethyleneglycol dimethacrylate) (P(MAA-co-EGDMA)/SiO2/PEGDMA) and…”
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  6. 6

    Synthesis of a Au/Silica/Polymer Trilayer Composite and the Corresponding Hollow Polymer Microsphere with a Movable Au Core by Liu, Guangyu, Ji, Hongfen, Yang, Xinlin, Wang, Yongmei

    Published in Langmuir (05-02-2008)
    “…Gold/silica/poly(N,N‘-methylenebisacrylamide) (Au/SiO2/polyMBAAm) trilayer composite materials were prepared by distillation precipitation polymerization of…”
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  7. 7

    Hollow polymer microspheres containing a gold nanocolloid core adsorbed on the inner surface as a catalytic microreactor by Wang, Xiaoxu, Ji, Hongfen, Zhang, Xu, Zhang, Han, Yang, Xinlin

    Published in Journal of materials science (01-08-2010)
    “…Hollow polymer microspheres with different polarity and functional group for the shell layer containing gold nanocolloid cores adsorbed on the inner surface…”
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  8. 8

    Lead-free BNT composite film for high-frequency broadband ultrasonic transducer applications by Xingwei Yan, Hongfen Ji, Kwok Ho Lam, Ruimin Chen, Fan Zheng, Wei Ren, Qifa Zhou, Shung, K. K.

    “…A lead-free Bi 0.5 Na 0.5 TiO 3 (BNT) piezoelectric composite thick film with a thickness of ~11 μm has been fabricated using a modified sol-gel method…”
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  9. 9

    Synthesis of hollow fluorescent polymeric microspheres with movable magnetic cores by Liu, Bin, Yang, Xinlin, Ji, Hongfen

    Published in Polymer international (01-07-2010)
    “…Low‐dispersity hollow poly[(ethyleneglycol dimethacrylate)‐co‐(N‐vinylcarbazole)] (P(EGDMA‐co‐NVCz)) fluorescent microspheres with movable magnetic cores were…”
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  10. 10

    Simultaneously Enhancing Thermal Stable Dielectric Property and Piezoelectric Response in Lead-Free LiNbO3-Modified (K0.5Na0.5)NbO3- (BaNi0.5Nb0.5O3) System by Ji, Hongfen, Xin, Lipeng, Ma, Han, Liu, Weiguo, Dai, Zhonghua, Pang, Lixia, Xie, Jinglong, Chen, Zhaobin

    Published in Frontiers in materials (11-02-2020)
    “…Perovskite ferroelectic oxides with simultaneous highly thermal stable dielectric property and piezoelectric response are promising candidate for advanced…”
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  11. 11

    Structure and electrical properties of Na0.5Bi0.5TiO3 ferroelectric thick films derived from a polymer modified sol-gel method by Hongfen Ji, Wei Ren, Lingyan Wang, Peng Shi, Xiaofeng Chen, Xiaoqing Wu, Xi Yao, Sien-Ting Lau, Qifa Zhou, Shung, K. K.

    “…Lead-free Na 0.5 Bi 0.5 TiO 3 (NBT) ferroelectric thick films were prepared by a poly(vinylpyrrolidone) (PVP) modified sol-gel method. The NBT thick films…”
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  12. 12

    Novel BaTiO3‑Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance by Yang, Huijing, Lu, Zhilun, Li, Linhao, Bao, Weichao, Ji, Hongfen, Li, Jinglei, Feteira, Antonio, Xu, Fangfang, Zhang, Yong, Sun, Huajun, Huang, Zhichao, Lou, Weichao, Song, Kaixin, Sun, Shikuan, Wang, Ge, Wang, Dawei, Reaney, Ian M

    Published in ACS applied materials & interfaces (30-09-2020)
    “…Ceramic dielectrics are reported with superior energy storage performance for applications, such as power electronics in electrical vehicles. A recoverable…”
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  13. 13

    Structure, photoluminescence, and magnetic properties of Co-doped ZnO nanoparticles by Ji, Hongfen, Cai, Changlong, Zhou, Shun, Liu, Weiguo

    “…Co-doped ZnO-nanoparticles were synthesized using the sol–gel method. The microstructure, morphology, and physical properties of the particles were studied…”
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  14. 14

    Lead-free (Ba,Sr)TiO3 – BiFeO3 based multilayer ceramic capacitors with high energy density by Wang, Ge, Lu, Zhilun, Li, Jinglei, Ji, Hongfen, Yang, Huijing, Li, Linhao, Sun, Shikuan, Feteira, Antonio, Yang, Haoguang, Zuo, Ruzhong, Wang, Dawei, Reaney, Ian M.

    Published in Journal of the European Ceramic Society (01-04-2020)
    “…High recoverable energy density (10 J cm−3) multilayers have been fabricated from lead-free 0.61BiFeO3-0.33(Ba0.8Sr0.2)TiO3-0.06La(Mg2/3Nb1/3)O3 ceramics. High…”
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  15. 15

    High-energy storage performance in BaTiO 3 -based lead-free multilayer ceramic capacitors by Yang, Huijing, Bao, Weichao, Lu, Zhilun, Li, Linhao, Ji, Hongfen, Huang, Yuhe, Xu, Fangfang, Wang, Ge, Wang, Dawei

    Published in Journal of materials research (05-11-2020)
    “…Abstract Lead-free BaTiO 3 (BT)-based multilayer ceramic capacitors (MLCCs) with the thickness of dielectric layers ~9 μm were successfully fabricated by…”
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  16. 16
  17. 17

    Structure and Electrical Properties of Bi0.5Na0.5TiO3 0-3 Composite Lead-Free Thick Films by Zhao, Jinyan, Ren, Wei, Ji, Hongfen, Wang, Lingyan, Wu, Xiaoqing, Shi, Peng

    Published in Ferroelectrics (11-06-2014)
    “…The use of piezoelectric films in high-frequency ultrasonic transducers requires thick, dense, and crack-free films with excellent piezoelectric properties. In…”
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  18. 18
  19. 19

    Structure and Electrical Properties of Bi sub(0.5)Na sub(0.5)TiO sub(3) 0-3 Composite Lead-Free Thick Films by Zhao, Jinyan, Ren, Wei, Ji, Hongfen, Wang, Lingyan, Wu, Xiaoqing, Shi, Peng

    Published in Ferroelectrics (11-06-2014)
    “…The use of piezoelectric films in high-frequency ultrasonic transducers requires thick, dense, and crack-free films with excellent piezoelectric properties. In…”
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  20. 20

    Structure and Electrical Properties of Bi^sub 0.5^Na^sub 0.5^TiO^sub 3^ 0-3 Composite Lead-Free Thick Films by Zhao, Jinyan, Ren, Wei, Ji, Hongfen, Wang, Lingyan, Wu, Xiaoqing, Shi, Peng

    Published in Ferroelectrics (01-01-2014)
    “…The use of piezoelectric films in high-frequency ultrasonic transducers requires thick, dense, and crack-free films with excellent piezoelectric properties. In…”
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    Journal Article