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@ARTICLE{Lu:1006433,
      author       = {Lu, Xin and Windmüller, Anna and Schmidt, Dana and
                      Schöner, Sandro and Schierholz, Roland and Tsai, Chih-Long
                      and Kungl, Hans and Liao, Xunfan and Yu, Shicheng and
                      Tempel, Hermann and Chen, Yiwang and Eichel, Rüdiger-A.},
      title        = {{D}isentangling {P}hase and {M}orphological {E}volution
                      {D}uring the {F}ormation of the {L}ithium {S}uperionic
                      {C}onductor {L}i 10 {G}e{P} 2 {S} 12},
      journal      = {Small},
      volume       = {19},
      number       = {28},
      issn         = {1613-6810},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2023-01668},
      pages        = {2300850},
      year         = {2023},
      abstract     = {The structural and morphological changes of the Lithium
                      superionic conductor Li10GeP2S12, prepared via a widely used
                      ball milling-heating method over a comprehensive heat
                      treatment range (50 – 700 °C), are investigated. Based on
                      the phase composition, the formation process can be
                      distinctly separated into four zones: Educt, Intermediary,
                      Formation, and Decomposition zone. It is found that instead
                      of Li4GeS4–Li3PS4 binary crystallization process,
                      diversified intermediate phases, including GeS2 in different
                      space groups, multiphasic lithium phosphosulfides (LixPySz),
                      and cubic Li7Ge3PS12 phase, are involved additionally during
                      the formation and decomposition of Li10GeP2S12. Furthermore,
                      the phase composition at temperatures around the transition
                      temperatures of different formation zones shows a
                      significant deviation. At 600 °C, Li10GeP2S12 is fully
                      crystalline, while the sample decomposed to complex phases
                      at 650 °C with 30 $wt.\%$ impurities, including 20 $wt.\%$
                      amorphous phases. These findings over such a wide
                      temperature range are first reported and may help provide
                      previously lacking insights into the formation and
                      crystallinity control of Li10GeP2S12.},
      cin          = {IEK-9},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {1223 - Batteries in Application (POF4-122) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF4-1223 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {36974581},
      UT           = {WOS:000956738700001},
      doi          = {10.1002/smll.202300850},
      url          = {https://juser.fz-juelich.de/record/1006433},
}