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@ARTICLE{Drescher:617633,
      author       = {Drescher, Sophie and Kuzmin, Aleksejs and Welter, Edmund
                      and Freudenberger, Jens and Smekhova, Alevtina},
      title        = {{C}omponent-dependent lattice distortions and atomic scale
                      insights in multi-component {A}u-{C}u-{N}i-{P}d-{P}t based
                      alloys},
      journal      = {Nano research},
      volume       = {18},
      number       = {1},
      issn         = {1998-0124},
      publisher    = {Springer},
      reportid     = {PUBDB-2024-06939},
      pages        = {94907122},
      year         = {2025},
      note         = {it is currently published online at
                      https://www.sciopen.com/article/10.26599/NR.2025.94907122
                      (as just accepted manuscript); the final version should be
                      available till the end of the year.},
      abstract     = {In our study, the composition-dependent effects of atomic
                      displacements in Au-Cu-Ni-Pd-Pt based alloys, comprising
                      elements with large differences in atomic radii, are
                      investigated at the atomic scale. Two alloys—the equimolar
                      AuCuNiPdPt and AuCuNiPd—have been characterized using
                      multi-edge extended X-ray absorption fine structure
                      spectroscopy (EXAFS) in conjunction with reverse Monte Carlo
                      simulations (RMC) at room temperature. The
                      statistically-averaged component-dependent pair distribution
                      functions (PDFs), which represent the distribution of atoms
                      around the assumed regular fcc lattice positions, reveal a
                      shift of their first peak to shorter distances and a
                      pronounced asymmetry in atomic distribution only for atoms
                      with small radii (Cu/Ni). The analysis demonstrates that
                      small atoms (Cu/Ni) are significantly more displaced from
                      the expected lattice positions as compared to large atoms
                      (Au/Pt). Furthermore, there are indications of preferential
                      next-neighbour bonding that changes depending on the alloy
                      composition. The most pronounced changes in the PDFs were
                      found solely for Pd. With this study, we provide a basis for
                      a deeper understanding of the composition-dependent atomic
                      arrangement in chemically complex solid solutions.},
      cin          = {DOOR ; HAS-User / FS-PET-S},
      ddc          = {660},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PET-S-20190712},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      CAMART2 - Centre of Advanced Materials Research and
                      Technology Transfer CAMART² (739508) / FS-Proposal:
                      I-20220966 (I-20220966) / FS-Proposal: I-20230231
                      (I-20230231)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(EU-Grant)739508 / G:(DE-H253)I-20220966 /
                      G:(DE-H253)I-20230231},
      experiment   = {EXP:(DE-H253)P-P65-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001408207500001},
      doi          = {10.26599/NR.2025.94907122},
      url          = {https://bib-pubdb1.desy.de/record/617633},
}