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@ARTICLE{Kozlenko:205480,
      author       = {Kozlenko, Denis and Rutkauskas, A. V. and Dang, N. T. and
                      Golosova, N. O. and Kichanov, Sergey and Dubrovinsky, Leonid
                      and Liermann, Hanns-Peter and Morgenroth, Wolfgang and
                      Savenko, B. N.},
      title        = {{P}ressure-induced antiferromagnet-ferromagnet transition
                      and a change in the spin state of {C}o in
                      ${L}a_{0.5}{B}a_{0.5}{C}o{O}_{2.8}$},
      journal      = {JETP letters},
      volume       = {100},
      number       = {6},
      issn         = {1090-6487},
      address      = {Heidelberg [u.a.]},
      publisher    = {Springer},
      reportid     = {PUBDB-2015-00044},
      pages        = {380 - 384},
      year         = {2014},
      note         = {(c) Pleiades Publishing, Inc. Post referee fulltext in
                      progress. Embargo ab 04 Dec 2014.},
      abstract     = {The crystal and magnetic structures of anion-deficit
                      cobaltite La0.5Ba0.5CoO2.8 have been studied by theX-ray and
                      neutron diffraction methods at high pressures up to 30 and 6
                      GPa, respectively. A structure transi-tion from the cubic
                      phase with symmetry Pm m to the tetragonal phase with
                      symmetry P4/mmm has beenobserved in this compound at P ≈ 3
                      GPa. It is accompanied by the change of the ground
                      antiferromagneticstate of the G type to the ferromagnetic
                      state because of a change in the electronic configuration of
                      Co3+ ions.Possible mechanisms of the observed magnetic phase
                      transition, as well as the role of the superexchange
                      inter-actions between Co3+ ions in various spin states in
                      the formation of magnetic properties, have been
                      discussed.Pressure induced change in the magnetic state of
                      La0.5Ba0.5CoO2.8 significantly differs from related
                      stoichi-ometric compounds La0.5A0.5CoO3.0 (A = Sr, Ca),
                      where the ground ferromagnetic state is formed and thesign
                      of the pressure dependence of the Curie temperature depends
                      on the element A.},
      cin          = {DOOR / FS-PE},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-PE-20120731},
      pnm          = {PETRA Beamline P02.2 (POF2-54G14)},
      pid          = {G:(DE-H253)POF2-P02.2-20140410},
      experiment   = {EXP:(DE-H253)P-P02.2-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000345965800006},
      doi          = {10.1134/S0021364014180052},
      url          = {https://bib-pubdb1.desy.de/record/205480},
}