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@ARTICLE{Stronski:465571,
      author       = {Stronski, A. and Kavetskyy, T. and Revutska, L. and
                      Shportko, K. and Popovych, M. and Kaban, I. and Jóvári,
                      P.},
      title        = {{S}tructural order in
                      ({A}s$_{2}${S}$_{3}$)x({G}e{S}$_{2}$)$_{1-x}$ glasses},
      journal      = {Journal of non-crystalline solids},
      volume       = {572},
      issn         = {0022-3093},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PUBDB-2021-03959},
      pages        = {121075},
      year         = {2021},
      note         = {Waiting for fulltext},
      abstract     = {Structural order in the chalcogenide glasses of
                      (As$_2$S$_3$)$_x$(GeS$_2$)$_{1−x}$ (x = 0.0, 0.1, 0.2,
                      0.4, 0.6, 0.8, 1.0) system is examined in terms of the
                      parameters of local atomic structure as a function of
                      composition x, obtained using high-resolution Raman
                      spectroscopy, high-energy synchrotron X-ray diffraction,
                      extended X-ray absorption fine structure spectroscopy and
                      reverse Monte-Carlo modeling of diffraction data. As a
                      result of the research carried out it is revealed that the
                      structural order of As-rich (x > 0.4) and Ge-rich (x < 0.4)
                      glasses is organized by the main As−S and Ge−S
                      structural motifs based on pyramidal AsS$_3$ and tetrahedral
                      GeS$_4$ units linked by =As−S−As= and triple
                      bondGe−S−Getriple bond structural configurations,
                      respectively; while for the intermediate compound with x =
                      0.4 the structural network seems to be better homogeneous on
                      the nanoscale due to appearance of triple bondGe−S−As=
                      mixed structural configurations resulting in misbalance
                      between corner-shared and edge-shared tetrahedral units in
                      comparison with their predicted ratio for binary GeS$_2$
                      glass and the structure of this alloy is similar to the
                      structure of the stoichiometric glass
                      Ge$_{18.2}$As$_{18.2}$S$_{63.6}$ (i.e., x = 0.455)
                      consisting of a coner-shared network of homogeneously mixed
                      GeS$_4$ tetrahedra and AsS$_3$ pyramids. Based on the
                      structural studies, it is also established that the balance
                      between corner-shared and edge-shared GeS$_4$ tetrahedra in
                      the glass backbone of the investigated GeS$_2$-based glasses
                      seems to be responsible for the interconnectivity between
                      two speculative Raman modes at 370 and 430 cm$^{−1}$.
                      Compositional changes in studied glasses result in the
                      evolution of the observed Raman bands. Such dependences of
                      characteristic constituent Raman bands’ intensities showed
                      that (As$_2$S$_3$)$_x$(GeS$_2$)$_{1−x}$ samples contain
                      different nanophases whose concentration is changing along
                      chosen compositional cross-section.},
      cin          = {DOOR ; HAS-User},
      ddc          = {670},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {899 - ohne Topic (POF4-899)},
      pid          = {G:(DE-HGF)POF4-899},
      experiment   = {EXP:(DE-H253)D-BW5-20150101 / EXP:(DE-H253)D-X1-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000694765600001},
      doi          = {10.1016/j.jnoncrysol.2021.121075},
      url          = {https://bib-pubdb1.desy.de/record/465571},
}