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@ARTICLE{Feng:637334,
      author       = {Feng, Shiyu and Sun, Baihong and Lu, Wenting and Zou,
                      Haikai and Wei, Chenxin and Zhang, Qian and Wang, Bihan and
                      Kunz, Martin and Kadobayashi, Hirokazu and Ahmad, Azkar
                      Saeed and Koren, Elad and Stavrou, Elissaios},
      title        = {{H}igh pressure structural and lattice dynamics study of
                      $α$-{I}n$_2${S}e$_3$},
      journal      = {The journal of chemical physics},
      volume       = {162},
      number       = {23},
      issn         = {0021-9606},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PUBDB-2025-03826},
      pages        = {234505},
      year         = {2025},
      abstract     = {Layered $α$-In$_2$Se$_3$ has been studied using a combined
                      in situ synchrotron angle-dispersive powder x-ray
                      diffraction and Raman spectroscopy study in a diamond anvil
                      cell up to 60+ GPa, at room temperature. Helium, which
                      remains fairly hydrostatic up to the highest pressure in
                      this study, was used as the pressure-transmitting medium.
                      The results from both experimental methods reveal a
                      pressure-induced structural phase transition from
                      $α$-In$_2$Se$_3$ to a monoclinic $β′$-In$_2$Se$_3$
                      structure at ≈1 GPa, in agreement with previous studies.
                      Based on our detailed measurements using both experimental
                      techniques and the F–f formalism, the $β′$-In$_2$Se$_3$
                      structure remains stable up to 45 GPa, without a clear
                      indication of a phase transition toward the previously
                      reported $β$-In$_2$Se$_3$ phase. Above this pressure,
                      $_2$Se$_3$ adopts a disordered solid-solution-like
                      orthorhombic structure, phase IV. The results are discussed
                      in comparison with the relevant previous studies of
                      $α$-In$_2$Se$_3$ under pressure.},
      cin          = {FS DOOR-User / FS-PET-D},
      ddc          = {530},
      cid          = {$I:(DE-H253)FS_DOOR-User-20241023$ /
                      I:(DE-H253)FS-PET-D-20190712},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      FS-Proposal: I-20240513 (I-20240513)},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G3 /
                      G:(DE-H253)I-20240513},
      experiment   = {EXP:(DE-H253)P-P02.2-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1063/5.0266372},
      url          = {https://bib-pubdb1.desy.de/record/637334},
}