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@ARTICLE{Pal:643617,
      author       = {Pal, Pratap and Patra, Krishnendu and Nandy, Subhajit and
                      Mahana, Sudipta and Dey, Jayjit Kumar and Chatterjee, Souvik
                      and Prajapat, C. L. and Paramanik, Tapas and Topwal, Dinesh
                      and Das, Amitabh and Mahadevan, Priya and Choudhury, Debraj},
      title        = {{S}tability of the collinear up-up-down-down magnetic
                      ordering in {C}a$_3${C}o{M}n{O}$_6$},
      journal      = {Physical review / B},
      volume       = {112},
      number       = {21},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {PUBDB-2026-00314},
      pages        = {214448},
      year         = {2025},
      abstract     = {Ca$_3$CoMnO$_6$ −xMnxO6 is a quasi-one-dimensional Ising
                      chain magnet with a unique collinear
                      up-up-down-down(↑↑↓↓) magnetic ordering, that gives
                      rise to ferroelectricity below the Néel temperature of 13
                      K. This uniquelong-range magnetic ordering, however, was
                      argued to get stabilized only with Co excess (i.e., x < 1.0)
                      nonstoichiometric Ca$_3$CoMnO$_6$ , and not so for the
                      chemically stoichiometric compound x = 1.0. Combining
                      severalexperiments along with first-principles
                      density-functional-based calculations, we elucidate that
                      this unique↑↑↓↓ magnetic ordering can be stabilized
                      even in the stoichiometric Ca$_3$CoMnO$_6$ (i.e., x = 1.0)
                      compound,albeit through the presence of optimum cationic
                      positional disorder, where some Mn and Co ions occupy
                      thetrigonal-prismatic (Co sites for the ordered case) and
                      octahedral (Mn-sites for the ordered one) sites
                      respectivelythrough relative tuning of the various magnetic
                      exchange interactions. Specifically, the relative energy
                      stabilityof the ↑↑↓↓ magnetic order in
                      Ca3$_3$CoMnO$_6$ exhibits a nonmonotonic dependency on the
                      extent of cationicdisorder with a maximum of around 16\%
                      disorder. Thus our study helps to elucidate the mechanism
                      thatleads to stabilization of this unique functional
                      ↑↑↓↓ magnetic ordering in this promising class of
                      multiferroiccompounds.},
      cin          = {DOOR ; HAS-User / FS-PETRA-S},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PETRA-S-20210408},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      INDIA-DESY - INDIA-DESY Collaboration
                      $(2020_Join2-INDIA-DESY)$},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      $G:(DE-HGF)2020_Join2-INDIA-DESY$},
      experiment   = {EXP:(DE-H253)P-P64-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1103/j9r9-9h3q},
      url          = {https://bib-pubdb1.desy.de/record/643617},
}