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@ARTICLE{Zhao:1007411,
      author       = {Zhao, Tong and Sobolev, Alexander N. and Schlem, Roman and
                      Helm, Bianca and Kraft, Marvin and Zeier, Wolfgang G.},
      title        = {{S}ynthesis-{C}ontrolled {C}ation {S}olubility in {S}olid
                      {S}odium {I}on {C}onductors
                      ${N}a_{2+x}{Z}r_{1–x}{I}n_x{C}l_ 6$},
      journal      = {ACS applied energy materials},
      volume       = {6},
      number       = {8},
      issn         = {2574-0962},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {FZJ-2023-02066},
      pages        = {4334 - 4341},
      year         = {2023},
      abstract     = {Mechanochemically synthesized sodium halide solid solutions
                      with the general formula Na2+xZr1–xMxCl6, as a class of
                      potential catholytes, show promising ionic transport in
                      comparison to their parental materials such as Na3YCl6.
                      However, the influence of subsequent heat treatment
                      protocols on the structure and transport properties of these
                      materials is still not fully understood. In this work, a
                      series of Na2+xZr1–xInxCl6 solid solutions are prepared by
                      ball milling with subsequent annealing at different
                      temperatures. X-ray diffraction analyses show a full indium
                      solubility in Na2+xZr1–xInxCl6 when synthesized at low
                      temperatures and crystallizing in the P21/n phase. In
                      contrast, at higher heat treatment temperatures, exsolution
                      is observed as the indium-rich Na2+xZr1–xInxCl6 compound
                      tends to partially transform to the trigonal P3̅1c phase.
                      By assessing the ionic conductivity of the differently
                      synthesized Na2+xZr1–xInxCl6 series, we can show the
                      synergistic effect of the Na+/vacancy ratio and
                      crystallinity on sodium ion transport in this class of
                      materials.},
      cin          = {IEK-12},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000971969400001},
      doi          = {10.1021/acsaem.3c00277},
      url          = {https://juser.fz-juelich.de/record/1007411},
}