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@ARTICLE{Zhang:860226,
      author       = {Zhang, Qiubo and Shi, Zhe and Yin, Kuibo and Dong, Hui and
                      Xu, Feng and Peng, Xinxing and Yu, Kaihao and Zhang, Hongtao
                      and Chen, Chia-Chin and Valov, Ilia and Zheng, Haimei and
                      Sun, Litao},
      title        = {{S}pring-{L}ike {P}seudoelectroelasticity of
                      {M}onocrystalline {C}u 2 {S} {N}anowire},
      journal      = {Nano letters},
      volume       = {18},
      number       = {8},
      issn         = {1530-6992},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2019-01010},
      pages        = {5070 - 5077},
      year         = {2018},
      abstract     = {Prediction from the dual-phase nature of superionic
                      conductors—both solid and liquid-like—is that mobile
                      ions in the material may experience reversible
                      extraction–reinsertion by an external electric field.
                      However, this type of pseudoelectroelasticity has not been
                      confirmed in situ, and no details on the microscopic
                      mechanism are known. Here, we in situ monitor the
                      pseudoelectroelasticity of monocrystalline Cu2S nanowires
                      (NWs) using transmission electron microscopy (TEM).
                      Specifically, we reveal the atomic scale details including
                      phase transformation, migration and redox reactions of Cu+
                      ions, nucleation, growth, as well as spontaneous shrinking
                      of Cu protrusion. Caterpillar-diffusion-dominated
                      deformation is confirmed by the high-resolution transmission
                      electron microscopy (HRTEM) observation and ab initio
                      calculation, which can be driven by either an external
                      electric field or chemical potential difference. The
                      observed spring-like behavior was creatively adopted for
                      electric nanoactuators. Our findings are crucial to
                      elucidate the mechanism of pseudoelectroelasticity and could
                      potentially stimulate in-depth research into electrochemical
                      and nanoelectromechanical systems.},
      cin          = {PGI-7 / JARA-FIT},
      ddc          = {660},
      cid          = {I:(DE-Juel1)PGI-7-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29965777},
      UT           = {WOS:000441478300061},
      doi          = {10.1021/acs.nanolett.8b01914},
      url          = {https://juser.fz-juelich.de/record/860226},
}