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@ARTICLE{Castellano:397768,
      author       = {Castellano, Carlo and Berti, Giulia and Ferretti, Maurizio
                      and Martinelli, Alberto and Cimberle, M. R.},
      title        = {{S}trong enhancement of the ferromagnetic phase and local
                      order in {R}u substituted manganites studied by {EXAFS} and
                      dc magnetizationmeasurements},
      journal      = {Journal of alloys and compounds},
      volume       = {663},
      issn         = {0925-8388},
      address      = {Lausanne},
      publisher    = {Elsevier},
      reportid     = {PUBDB-2017-13415},
      pages        = {560 - 564},
      year         = {2016},
      note         = {© Elsevier B.V.},
      abstract     = {We report extended X-ray absorption fine structure (EXAFS)
                      and dc magnetization measurements performed on
                      (La$_{1-x}$Ca$_x$) (Mn$_{1-}$yRu$_y$)O$_3$ samples (x = 0.37
                      and 0.75 and y = 0.03 or 0.08).In the nanoscale phase
                      inhomogeneity scenario characteristic of these complex
                      oxides, we compare the effects induced by the partial
                      substitution of Mn with mixed valence non-Jahn-Teller Ru5+
                      and at most very weak Jahn-Teller Ru$^{4+}$ ions with those
                      induced by the already studied analogous substitutions of Mn
                      with non-Jahn-Teller Cr$^{3+}$ or Ni$^{2+}$ or Jahn-Teller
                      Cu$^{2+}$.We find evidence both from dc magnetization and
                      EXAFS that the ruthenium doping induces a huge effect,
                      clearly enhancing (more efficiently than is the case for the
                      other dopants) the double exchange effect and consequently
                      the metallic/ferromagnetic phase and the local structural
                      order at the expenses of the charge-ordered phase component.
                      In the x = 0.75 long-range charge-ordered system these
                      effects are much more evident, as expected, while for x =
                      0.37 the magnetic ion partial substitution does not
                      significantly modify the metal-insulator and ferromagnetic
                      transitions, already present in the parent compound.},
      cin          = {DOOR},
      ddc          = {670},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      experiment   = {EXP:(DE-H253)D-E4-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000369060200076},
      doi          = {10.1016/j.jallcom.2015.12.183},
      url          = {https://bib-pubdb1.desy.de/record/397768},
}