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@ARTICLE{Chung:611022,
      author       = {Chung, Simon and Vonk, Vedran and Pennicard, David and
                      Graafsma, Heinz and Stierle, Andreas},
      title        = {{T}ransient heating of {P}d nanoparticles studied by x-ray
                      diffraction with timeof arrival photon detection},
      journal      = {Structural dynamics},
      volume       = {11},
      number       = {4},
      issn         = {2329-7778},
      address      = {Melville, NY},
      publisher    = {AIP Publishing LLC},
      reportid     = {PUBDB-2024-04784},
      pages        = {044301},
      year         = {2024},
      abstract     = {Pulsed laser heating of an ensemble of Pd nanoparticles,
                      supported by an MgO substrate, is studied by
                      x-raydiffraction. By time-resolved Bragg peak shift
                      measurements due to thermal lattice expansion, the
                      transienttemperature of the Pd nanoparticles is determined,
                      which quickly rises by at least 100 K upon laser
                      excitationand then decays within 90 ns. The diffraction
                      experiments were carried out using a Cu x-ray tube,
                      givingcontinuous radiation and the hybrid pixel detector
                      Timepix3 operating with single photon counting in a
                      time-of-arrival mode. This type of detection scheme does not
                      require time-consuming scanning of the pump-probedelay. The
                      experimental time resolution is estimated at 15 ± 5 ns,
                      which is very close to the detector’s limitand matches
                      with the 7 ns laser pulse duration. Compared to bulk metal
                      single crystals, it is discussed thatthe maximum temperature
                      reached by the Pd nanoparticles is higher and their cooling
                      rate is lower. Theseeffects are explained by the oxide
                      support having a lower heat conductivity.},
      cin          = {FS-NL / FS-DS},
      ddc          = {500},
      cid          = {I:(DE-H253)FS-NL-20120731 / I:(DE-H253)FS-DS-20120731},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-H253)Nanolab-03-20150101 /
                      EXP:(DE-H253)Nanolab-04-20150101 /
                      EXP:(DE-H253)Nanolab-01-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {38974812},
      UT           = {WOS:001262132200001},
      doi          = {10.1063/5.0189052},
      url          = {https://bib-pubdb1.desy.de/record/611022},
}