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@ARTICLE{Schn:844270,
      author       = {Schön, Nino and Guenduez, Deniz and Yu, Shicheng and
                      Tempel, Hermann and Schierholz, Roland and Hausen, Florian},
      title        = {{C}orrelative {E}lectrochemical {S}train and {S}canning
                      {E}lectron {M}icroscopy for local characterization of the
                      solid state electrolyte {L}i1.3{A}l0.3{T}i1.7({PO}4)3},
      journal      = {Beilstein journal of nanotechnology},
      volume       = {9},
      issn         = {2190-4286},
      address      = {Frankfurt, M.},
      publisher    = {Beilstein-Institut zur Förderung der Chemischen
                      Wissenschaften},
      reportid     = {FZJ-2018-01711},
      pages        = {1564-1572},
      year         = {2018},
      abstract     = {Correlative microscopy has been used to investigate the
                      relationship between Li-ion conductivity and the
                      microstructure of lithium aluminum titanium phosphate
                      (Li1.3Al0.3Ti1.7(PO4)3, LATP) with high spatial resolution.
                      A key to improvement of solid state electrolytes such as
                      LATP is a better understanding of interfacial and ion
                      transport properties on relevant length scales in the
                      nanometer to micrometer range. Using common techniques, such
                      as electrochemical impedance spectroscopy, only global
                      information can be obtained. In this work, we employ
                      multiple microscopy techniques to gain local chemical and
                      structural information paired with local insights into the
                      Li-ion conductivity based on electrochemical strain
                      microscopy (ESM). Scanning electron microscopy (SEM) and
                      energy-dispersive X-ray spectroscopy (EDX) have been applied
                      at identical regions to identify microstructural components
                      such as an AlPO4 secondary phase. We found significantly
                      lower Li-ion mobility in the secondary phase areas as well
                      as at grain boundaries. Additionally, various aspects of
                      signal formation obtained from ESM for solid state
                      electrolytes are discussed. We demonstrate that correlative
                      microscopy is an adjuvant tool to gain local insights into
                      interfacial properties of energy materials.},
      cin          = {IEK-9 / JARA-ENERGY},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-9-20110218 / $I:(DE-82)080011_20140620$},
      pnm          = {131 - Electrochemical Storage (POF3-131) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-131 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000433474200001},
      doi          = {10.3762/bjnano.9.148},
      url          = {https://juser.fz-juelich.de/record/844270},
}