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@ARTICLE{Wang:860295,
      author       = {Wang, Jiangjing and Ronneberger, Ider and Zhou, Ling and
                      Lu, Lu and Deringer, Volker L. and Zhang, Baiyu and Tian,
                      Lin and Du, Hongchu and Jia, Chunlin and Qian, Xiaofeng and
                      Wuttig, Matthias and Mazzarello, Riccardo and Zhang, Wei},
      title        = {{U}nconventional two-dimensional germanium dichalcogenides},
      journal      = {Nanoscale},
      volume       = {10},
      number       = {16},
      issn         = {2040-3372},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2019-01070},
      pages        = {7363 - 7368},
      year         = {2018},
      abstract     = {The recently discovered two-dimensional (2D) group IV
                      chalcogenides attract much attention owing to their novel
                      electronic and photonic properties. All the reported
                      materials of this class favor (distorted) octahedral
                      coordination via p bonding; by contrast, in the
                      dichalcogenides where the bonding tendency approaches sp3,
                      no corresponding 2D phase has been realized so far. Here, by
                      engineering the composition of a chalcogenide
                      heterostructure, the hitherto elusive GeTe2 is
                      experimentally observed in a confined 2D environment.
                      Density functional theory simulations predict the existence
                      of a freestanding monolayer of octahedrally coordinated
                      GeTe2 under tensile strain, and the existence of GeSe2 and
                      GeS2 in the same form under equilibrium conditions. These 2D
                      germanium dichalcogenides are either metallic or narrow gap
                      semiconducting, and may lead to new applications in
                      nanoscale electronics.},
      cin          = {ER-C-1 / JARA-HPC / JARA-FIT},
      ddc          = {600},
      cid          = {I:(DE-Juel1)ER-C-1-20170209 / $I:(DE-82)080012_20140620$ /
                      $I:(DE-82)080009_20140620$},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / Ab initio study of interfacial phase-change materials and
                      thin chalcogenides $(jara0150_20160501)$},
      pid          = {G:(DE-HGF)POF3-143 / $G:(DE-Juel1)jara0150_20160501$},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29637969},
      UT           = {WOS:000431030000005},
      doi          = {10.1039/C8NR01747F},
      url          = {https://juser.fz-juelich.de/record/860295},
}