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@ARTICLE{deKort:603142,
      author       = {de Kort, Laura M. and Lazemi, Masoud and Longo, Alessandro
                      and Gulino, Valerio and Rodenburg, Henrik P. and Blanchard,
                      Didier and Sahle, Christoph and Sundermann, Martin and
                      Gretarsson, Hlynur and van der Eerden, Ad M. J. and
                      Elnaggar, Hebatalla and de Groot, Frank M. F. and Ngene,
                      Peter},
      title        = {{D}eciphering the {O}rigin of {I}nterface‐{I}nduced
                      {H}igh {L}i and {N}a {I}on {C}onductivity in {N}anocomposite
                      {S}olid {E}lectrolytes {U}sing {X}‐{R}ay {R}aman
                      {S}pectroscopy},
      journal      = {Advanced energy materials},
      volume       = {14},
      number       = {9},
      issn         = {1614-6832},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {PUBDB-2024-00779},
      pages        = {2303381},
      year         = {2024},
      abstract     = {Solid-state electrolytes (SSEs) with high ionic
                      conductivities are crucial for safer and high-capacity
                      batteries. Interface effects in nanocomposites of SSEs and
                      insulators can lead to profound increases in conductivity.
                      Understanding the composition of the interface is crucial
                      for tuning the conductivity of composite solid electrolytes.
                      Herein, X-ray Raman Scattering (XRS) spectroscopy is used
                      for the first time to unravel the nature of the interface
                      effects responsible for conductivity enhancements in
                      nanocomposites of complex hydride-based electrolytes
                      (LiBH$_4$, NaBH$_4$, and NaNH$_2$) and oxides. XRS probe of
                      the Li, Na, and B local environments reveals that the
                      interface consists of highly distorted/defected and
                      structurally distinct phase(s) compared to the original
                      compounds. Interestingly, nanocomposites with higher
                      concentrations of the interface compounds exhibit higher
                      conductivities. Clear differences are observed in the
                      interface composition of SiO$_2$- and Al$_2$O$_3$-based
                      nanocomposites, attributed to differences in the reactivity
                      of their surface groups. These results demonstrate that
                      interfacial reactions play a dominant role in conductivity
                      enhancement in composite solid electrolytes. This work
                      showcases the potential of XRS in investigating interface
                      interactions, providing valuable insights into the often
                      complex ion conductor/insulator interfaces, especially for
                      systems containing light elements such as Li, B, and Na
                      present in most SSEs and batteries.},
      cin          = {DOOR ; HAS-User / FS-PETRA-S},
      ddc          = {050},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PETRA-S-20210408},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      SMART-X - Study of carrier transport in MAterials by
                      time-Resolved specTroscopy with ultrashort soft X-ray light
                      (860553)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(EU-Grant)860553},
      experiment   = {EXP:(DE-H253)P-P01-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001135453700001},
      doi          = {10.1002/aenm.202303381},
      url          = {https://bib-pubdb1.desy.de/record/603142},
}