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@ARTICLE{Schmitz:866229,
      author       = {Schmitz, Detlef and Schmitz-Antoniak, Carolin and Radu,
                      Florin and Ryll, Hanjo and Luo, Chen and Bhandary, Sumanta
                      and Biermann, Silke and Siemensmeyer, Konrad and Wende,
                      Heiko and Ivanov, Sergey and Eriksson, Olle},
      title        = {{S}oft {X}‐{R}ay {M}agnetic {C}ircular {D}ichroism of
                      {V}anadium in the {M}etal–{I}nsulator {T}wo‐{P}hase
                      {R}egion of {P}aramagnetic {V}2{O}3 {D}oped with $1.1\%$
                      {C}hromium},
      journal      = {Physica status solidi / B Basic research B},
      volume       = {257},
      number       = {3},
      issn         = {1521-3951},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2019-05395},
      pages        = {1900456 -},
      year         = {2020},
      abstract     = {V2O3 doped with $1.1\%$ Cr is investigated at its
                      isostructural correlation‐driven metal–insulator
                      transition near room temperature in its paramagnetic state
                      with X‐ray magnetic circular dichroism (XMCD) spectroscopy
                      in external magnetic fields. A relative XMCD amplitude of
                      about 2 permille is observed at the L2,3 absorption edges of
                      vanadium as expected for magnetic moment per mass values of
                      the order of 1 J T−1 kg−1 from magnetometry and
                      the literature. Across the metal–insulator transition, the
                      vanadium XMCD spectral shape significantly changes.
                      According to atomic multiplet simulations, these changes are
                      due to a changing orbital occupation indicating a changing
                      phase composition. According to estimates used in this
                      study, the dipole moment of the spin density distribution
                      7⟨𝑇𝑧⟩ in the bulk increases such that the
                      effective vanadium spin moment increases by a few percent
                      with temperature in the two‐phase region. Thereby, it
                      partially compensates for the decrease in the relative XMCD
                      amplitude due to a decreasing alignment of the paramagnetic
                      moments. After a few minor temperature cycles, the sample is
                      in a two‐phase state in which the XMCD and X‐ray linear
                      dichroism spectra hardly depend on the temperature, and the
                      specific electrical resistance is intermediate, showing only
                      a weak sign of the metal–insulator transition.},
      cin          = {PGI-6},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000493865900001},
      doi          = {10.1002/pssb.201900456},
      url          = {https://juser.fz-juelich.de/record/866229},
}