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@ARTICLE{Pazniak:905301,
      author       = {Pazniak, Hanna and Marc Stevens, Martin Dahlqvist and
                      Zingsem, Benjamin and Kibkalo, Lidia and Felek, Merve and
                      Varnakov, Sergey and Michael Farle and Rosen, Johanna and
                      Wiedwald, Ulf},
      title        = {{P}hase {S}tability of {N}anolaminated {E}pitaxial
                      ({C}r1–x{F}ex)2{A}l{C} {MAX} {P}hase {T}hin {F}ilms on
                      {M}g{O}(111) and {A}l2{O}3 (0001) for {U}se as {C}onductive
                      {C}oatings},
      journal      = {ACS applied nano materials},
      volume       = {4},
      number       = {12},
      issn         = {2574-0970},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {FZJ-2022-00572},
      pages        = {13761 - 13770},
      year         = {2021},
      abstract     = {In this study, we model the chemical stability in the
                      (Cr1–xFex)2AlC MAX phase system using density functional
                      theory, predicting its phase stability for 0 < x < 0.2.
                      Following the calculations, we have successfully synthesized
                      nanolaminated (Cr1–xFex)2AlC MAX phase thin films with
                      target Fe contents of x = 0.1 and x = 0.2 by pulsed laser
                      deposition using elemental targets on MgO(111) and
                      Al2O3(0001) substrates at 600 °C. Structural investigations
                      by X-ray diffraction and transmission electron microscopy
                      reveal MAX phase epitaxial films on both substrates with a
                      coexisting (Fe,Cr)5Al8 intermetallic secondary phase.
                      Experiments suggest an actual maximum Fe solubility of 3.4
                      at $\%,$ corresponding to (Cr0.932Fe0.068)2AlC, which is the
                      highest Fe doping level achieved so far in volume materials
                      and thin films. Residual Fe is continuously distributed in
                      the (Fe,Cr)5Al8 intermetallic secondary phase. The
                      incorporation of Fe results in the slight reduction of the c
                      lattice parameter, while the a lattice parameter remains
                      unchanged. The nanolaminated (Cr0.932Fe0.068)2AlC thin films
                      show a metallic behavior and can serve as promising
                      candidates for highly conductive coatings.},
      cin          = {ER-C-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {5351 - Platform for Correlative, In Situ and Operando
                      Characterization (POF4-535) / DFG project 405553726 - TRR
                      270: Hysterese-Design magnetischer Materialien für
                      effiziente Energieumwandlung (405553726)},
      pid          = {G:(DE-HGF)POF4-5351 / G:(GEPRIS)405553726},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000752919200093},
      doi          = {10.1021/acsanm.1c03166},
      url          = {https://juser.fz-juelich.de/record/905301},
}