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@ARTICLE{Hu:878255,
      author       = {Hu, Tian-Yi and Ma, Chunrui and Dai, Yanzhu and Fan,
                      Qiaolan and Liu, Ming and Jia, Chun-Lin},
      title        = {{E}nhanced {E}nergy {S}torage {P}erformance of
                      {L}ead-{F}ree {C}apacitors in an {U}ltrawide {T}emperature
                      {R}ange via {E}ngineering {P}araferroelectric and {R}elaxor
                      {F}erroelectric {M}ultilayer {F}ilms},
      journal      = {ACS applied materials $\&$ interfaces},
      volume       = {12},
      number       = {23},
      issn         = {1944-8252},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2020-02724},
      pages        = {25930 - 25937},
      year         = {2020},
      abstract     = {Industry has been seeking a thin-film capacitor that can
                      work at high temperature in a harsh environment, where
                      cooling systems are not desired. Up to now, the working
                      temperature of the thin-film capacitor is still limited up
                      to 200 °C. Herein, we design a multilayer structure with
                      layers of paraferroelectric (Ba0.3Sr0.7TiO3, BST) and
                      relaxor ferroelectric (0.85BaTiO3–0.15Bi(Mg0.5Zr0.5)O3,
                      BT–BMZ) to realize optimum properties with a flat platform
                      of dielectric constant and high breakdown strength for
                      excellent energy storage performance at high temperature.
                      Through optimizing the multilayer structure, a highly stable
                      relaxor ferroelectric state is obtained for the BST/BT–BMZ
                      multilayer thin-film capacitor with a total thickness of 230
                      nm, a period number N = 8, and a layer thickness ratio of
                      BST/BT–BMZ = 3/7. The optimized multilayer film shows
                      significantly improved energy storage density (up to 30.64
                      J/cm3) and energy storage efficiency (over $70.93\%)$ in an
                      ultrawide temperature range from room temperature to 250
                      °C. Moreover, the multilayer system also exhibits excellent
                      thermal stability in such an ultrawide temperature range
                      with a change of 5.15 and $12.75\%$ for the recoverable
                      energy density and energy storage efficiency, respectively.
                      Our results demonstrate that the designed thin-film
                      capacitor is promising for the application in a harsh
                      environment and open a way to tailor a thin-film capacitor
                      toward higher working temperature with enhanced energy
                      storage performance.},
      cin          = {ER-C-1},
      ddc          = {600},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32412230},
      UT           = {WOS:000541679900042},
      doi          = {10.1021/acsami.0c05560},
      url          = {https://juser.fz-juelich.de/record/878255},
}