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@ARTICLE{Rai:1008961,
      author       = {Rai, V. and Stunault, A. and Schmidt, W. and Jana, S. and
                      Perßon, J. and Soh, J.-R. and Brückel, Th. and Nandi, S.},
      title        = {{A}nomalous {H}all effect and magnetic structure of the
                      topological semimetal ( {M}n 0.78 {F}e 0.22 ) {G}e 3},
      journal      = {Physical review / B},
      volume       = {107},
      number       = {18},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2023-02555},
      pages        = {184413},
      year         = {2023},
      abstract     = {Me3+δGe, being a Weyl semimetal, shows a large anomalous
                      Hall effect (AHE), which decreases slowly with an increase
                      in δ from 0.1 to 0.4. However, AHE in this compound remains
                      significantly large in the whole range of δ because of the
                      robust nature of the topology of bands. To explore the
                      possibility of tuning the anomalous transport effects in
                      Weyl semimetals, we have studied the single-crystal
                      hexagonal-(Mn0.78Fe0.22)3Ge compound. Magnetization of this
                      compound shows two magnetic transitions at 242 K (TN1) and
                      120 K (TN2). We observed that the AHE persists between
                      TN2−TN1 and vanishes below TN2. Further, we performed
                      single-crystal neutron diffraction experiments (using
                      spherical neutron polarimetry and unpolarized neutron
                      diffraction) to determine the magnetic structures of
                      (Mn0.78Fe0.22)3Ge at different temperatures. Our neutron
                      diffraction results show that the sample possesses a
                      collinear antiferromagnetic structure below TN2. However,
                      the magnetic structure of the sample remains noncollinear
                      antiferromagnetic, the same as Mn3Ge, between TN1 to TN2.
                      The presence of AHE, and noncollinear magnetic structure in
                      (Mn0.78Fe0.22)3Ge, between TN1 and TN2, suggest the
                      existence of Weyl points in this temperature regime. Below
                      TN2, AHE is absent, and the magnetic structure also changes
                      to a collinear antiferromagnetic structure. These
                      observations signify a strong link between the magnetic
                      structure of the sample and AHE.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ILL},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ILL-20110128},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000990579200003},
      doi          = {10.1103/PhysRevB.107.184413},
      url          = {https://juser.fz-juelich.de/record/1008961},
}