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@ARTICLE{Keller:599266,
      author       = {Keller, Thomas F. and Shayduk, Roman and Kim, Chan and
                      Mukharamova, Nastasia and Pandey, Arti Dangwal and Abuin,
                      Manuel and Vonk, Vedran and Fernandez-Cuesta, Irene and
                      Barthelmess, Miriam and Froemter, Robert and Zozulya, Alexey
                      and Erbe, Artur and Stierle, Andreas},
      title        = {{C}oherent x-ray diffraction of a semiregular {P}t nanodot
                      array},
      journal      = {Physical review / B},
      volume       = {108},
      number       = {13},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {PUBDB-2023-07273},
      pages        = {134109},
      year         = {2023},
      note         = {NFFA Grant 101007417},
      abstract     = {Structural insight into nano-objects down to the atomic
                      scale is one of the most important prerequisites
                      tounderstand the properties of functional materials and will
                      ultimately permit one to relate the size and shape
                      ofnanoparticles to their catalytic activity. We elucidate
                      the potential of extracting structural information abouta
                      small ensemble of nanoparticles that are semiregularly
                      arranged on a periodic array from coherent x-rayBragg
                      diffraction. The observed fringe pattern in the Pt(111)
                      Bragg peak obviously originates from the mutualinterference
                      of the Bragg scattered wave field from individual
                      nanoparticles in the nanoarray. Despite the absenceof a
                      symmetry center in the Bragg peak of the nanoarray, we
                      identify the most prominent in-plane spatialfrequencies of
                      the latter by applying a Patterson map analysis to the Bragg
                      peak superstructure. Integrationalong the in-plane
                      reciprocal space direction over the relevant in-plane
                      regions of interest results in Laueoscillations that arise
                      from nanoparticle sets of similar heights in real space. A
                      one-to-one comparison withreal-space microscopic information
                      obtained from scanning electron microscopy and atomic force
                      microscopysuggests potential nanoparticle subsets as the
                      origin for the x-ray intensity in these regions of interest
                      by the goodagreement in their height and direction-dependent
                      in-plane interparticle distances, as also further supported
                      bysimulations. Nanoparticle arrays with well-defined tunable
                      sizes and lateral distances may serve in the future totrack
                      structural changes in, e.g., sizes, relative positions, and
                      tilts of smallest’ catalysis-relevant nanoparticlesduring
                      operando heterogeneous catalysis experiments in the
                      10-nm-size regime.},
      cin          = {FS-NL / CFEL-I},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-NL-20120731 / I:(DE-H253)CFEL-I-20161114},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      NEP - Nanoscience Foundries and Fine Analysis - Europe|PILOT
                      (101007417)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(EU-Grant)101007417},
      experiment   = {EXP:(DE-H253)P-P10-20150101 /
                      EXP:(DE-H253)Nanolab-04-20150101 /
                      EXP:(DE-H253)Nanolab-01-20150101 /
                      EXP:(DE-H253)Nanolab-03-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001095944000001},
      doi          = {10.1103/PhysRevB.108.134109},
      url          = {https://bib-pubdb1.desy.de/record/599266},
}