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@ARTICLE{Bakavets:878031,
      author       = {Bakavets, Aliaksei and Aniskevich, Yauhen and Yakimenko,
                      Oleg and Jo, Jae Hyeon and Vernickaite, Edita and Tsyntsaru,
                      Natalia and Cesiulis, Henrikas and Kuo, Liang-Yin and
                      Kaghazchi, Payam and Ragoisha, Genady and Myung, Seung-Taek
                      and Streltsov, Eugene},
      title        = {{P}ulse electrodeposited bismuth-tellurium superlattices
                      with controllable bismuth content},
      journal      = {Journal of power sources},
      volume       = {450},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2020-02587},
      pages        = {227605 -},
      year         = {2020},
      abstract     = {Superlattice structures of (Bi2)m(Bi2Te3)n series with
                      controllable Bi mole fraction from 0.41 to 0.71 are
                      electrodeposited in pulse potentiostatic mode from acidic
                      electrolytes containing Bi(NO3)3 and TeO2 as precursors. Two
                      valence states of bismuth in superlattices are identified by
                      X-ray photoelectron spectroscopy (XPS). One of those states
                      is attributed to interlayered Bi0 which is present in
                      (Bi2)m(Bi2Te3)n superlattice in the form of biatomic layers
                      between bismuth telluride quintuples. X-ray difraction (XRD)
                      analysis and density functional theory (DFT) calculations
                      indicate an increase in subcell parameter asub and decrease
                      in subcell parameter csub with the increase of Bi mole
                      fraction. Biatomic layers of Bi0 are identified with cyclic
                      voltammetry by characteristic anodic peak between potentials
                      of metallic bismuth and Bi2Te3 oxidation. The selective
                      oxidation of Bi-bilayers in (Bi2)m(Bi2Te3)n superlattice at
                      the potential of the anodic peak results in the product
                      corresponding to Bi2Te3 by stoichiometry, but having an
                      expanded crystal structure. Superlattices with controllable
                      Bi mole fraction and Bi2Te3 with “memory effect” may be
                      of interest for design of new thermoelectric materials with
                      controllable parameters.},
      cin          = {IEK-1},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000517663800102},
      doi          = {10.1016/j.jpowsour.2019.227605},
      url          = {https://juser.fz-juelich.de/record/878031},
}