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@ARTICLE{Kovcs:1005319,
      author       = {Kovács, András and Venkataraman, Nithin B. and Chaudhary,
                      Varun and Dasari, Sriswaroop and Denneulin, Thibaud and
                      Ramanujan, R. V. and Banerjee, Rajarshi and Dunin-Borkowski,
                      Rafal E.},
      title        = {{R}ole of heterophase interfaces on local coercivity
                      mechanisms in the magnetic {A}l0.3{C}o{F}e{N}i complex
                      concentrated alloy},
      journal      = {Acta materialia},
      volume       = {246},
      issn         = {1359-6454},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2023-01428},
      pages        = {118672 -},
      year         = {2023},
      abstract     = {Microstructural features across different length scales
                      have a profound influence on the coercivity of magnetic
                      alloys. Whereas the role of homophase boundaries on the
                      pinning of magnetic domain walls is well established, the
                      influence of heterophase interfaces on domain wall motion is
                      complex and poorly understood. Here, we use state-of-the-art
                      electron microscopy techniques to show that the
                      magnetization reversal process in an Al0.3CoFeNi magnetic
                      complex concentrated alloy (CCA), which is responsible for
                      its coercivity, changes dramatically from a nucleation-type
                      mechanism in the FCC+L12 state of the CCA, with a domain
                      wall width of 171 nm, to a pinning type mechanism in the
                      microstructure with colonies of FCC/L12 nanorods embedded in
                      a BCC/B2 matrix, with a domain wall width of 35 nm. Our work
                      reveals that heterophase FCC/BCC interfaces have a much
                      stronger effect on coercivity than isostructural chemically
                      ordered/disordered interfaces and provides a powerful guide
                      to the rational design of microstructure to tune magnetic
                      properties in both complex concentrated alloys and
                      conventional magnetic alloys.},
      cin          = {ER-C-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {5351 - Platform for Correlative, In Situ and Operando
                      Characterization (POF4-535) / 3D MAGiC - Three-dimensional
                      magnetization textures: Discovery and control on the
                      nanoscale (856538)},
      pid          = {G:(DE-HGF)POF4-5351 / G:(EU-Grant)856538},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000925224800001},
      doi          = {10.1016/j.actamat.2023.118672},
      url          = {https://juser.fz-juelich.de/record/1005319},
}