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@ARTICLE{Breuer:255850,
      author       = {Breuer, Thomas and Siemon, Anne and Linn, Eike and Menzel,
                      Stephan and Waser, R. and Rana, Vikas},
      title        = {{L}ow-current operations in 4{F} $^{2}$ -compatible {T}a
                      $_{2}$ {O} $_{5}$ -based complementary resistive switches},
      journal      = {Nanotechnology},
      volume       = {26},
      number       = {41},
      issn         = {1361-6528},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2015-05961},
      pages        = {415202 -},
      year         = {2015},
      abstract     = {Complementary resistive switches (CRS), which consist of
                      two anti-serially connected bipolar switching ReRAM cells,
                      can reduce sneak path currents in passive crossbar arrays.
                      However, the high operation current restrains the
                      implementation of the CRS device. In this article, we
                      present low current operation (<300 μA) of vertically
                      stacked, 4F2-compatible Ta2O5-based CRS devices exhibiting
                      two terminals. Two types of devices, either offering a nano-
                      or a micrometer scale bottom cell (BC), are considered. The
                      top cell (TC) in both configurations is designed of
                      micrometer size. A novel three-step electroforming procedure
                      for the vertical CRS device having no access to the middle
                      electrode is exemplified and compared to the conventional
                      forming procedure using three-terminal CRS devices. This
                      three-step electroforming procedure provides adjustment of
                      the maximum switching current in the nano-BC CRS: a
                      low-level current compliance during forming enables low
                      current CRS operation in subsequent switching cycles.
                      Further, the nano-BC CRS shows the stable switching up to
                      104 cycles whereas the micro-BC CRS endures up to 106
                      cycles.},
      cin          = {PGI-7},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-7-20110106},
      pnm          = {524 - Controlling Collective States (POF3-524)},
      pid          = {G:(DE-HGF)POF3-524},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000363433700003},
      doi          = {10.1088/0957-4484/26/41/415202},
      url          = {https://juser.fz-juelich.de/record/255850},
}