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@ARTICLE{Basuroy:637645,
      author       = {Basuroy, Krishnayan and Velazquez Garcia, Jose and
                      Lalithambika, Sreeju Sreekantan Nair and Barman, Argha and
                      Reuss, Torben and Pompidor, Guillaume and Grebentsov,
                      Alexander and Akcaalan, Oender and Techert, Simone},
      title        = {{P}hotoinduced {L}ow {S}pin to {H}igh {S}pin {T}ransition
                      in a [2x2] {F}e({II}) {M}etallogrid: {D}iode
                      {L}aser-{P}umped {P}hotocrystallography at the {P}11
                      {B}eamline in {PETRA} {III}, {DESY}},
      reportid     = {PUBDB-2025-03871, arXiv:2508.01734},
      year         = {2025},
      abstract     = {We report on the photoinduced spin crossover (SCO)
                      transition from a 2HS-2LS to a 3HS-1LS state in a [2x2]
                      Fe(II) metallogrid complex using molecular crystals with
                      static photocrystallography at a first ever attempt in the
                      beamline P11 of the PETRA III synchrotron, DESY. A class 3B
                      diode laser was used to induce the transition under
                      controlled irradiation conditions. Structural
                      characterization was achieved through single-crystal X-ray
                      diffraction (SCXRD) measurements post-irradiation, revealing
                      significant changes in average Fe-N distances, consistent
                      with SCO behavior. Our experimental setup enables precise
                      alignment necessary for photo-excitation using a class 3B
                      diode laser along with a compact focusing optics. The
                      longest dimension of the combined setup of the diode head
                      and the focusing optics is not more than 32cm. The setup
                      showcasing the utility of a compact diode laser system which
                      can even be conveniently used in synchrotron-based
                      pump-probe photocrystallography experiments for a wide range
                      of molecular crystals.},
      keywords     = {Materials Science (cond-mat.mtrl-sci) (Other) / Chemical
                      Physics (physics.chem-ph) (Other) / Optics (physics.optics)
                      (Other) / FOS: Physical sciences (Other)},
      cin          = {FS-SCS},
      cid          = {I:(DE-H253)FS-SCS-20131031},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20231431
                      (I-20231431)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20231431},
      experiment   = {EXP:(DE-H253)P-P11-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2508.01734},
      howpublished = {arXiv:2508.01734},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2508.01734;\%\%$},
      doi          = {10.3204/PUBDB-2025-03871},
      url          = {https://bib-pubdb1.desy.de/record/637645},
}