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@INPROCEEDINGS{Heinze:1048341,
      author       = {Heinze, Leonie and Kastner, C. and Jeschke, H. O. and
                      Reehuis, M. and Beauvois, K. and Ouladdiaf, B. and
                      Yokaichiya, F. and Bert, F. and Hicken, T. J. and Krieger,
                      J. A. and Luetkens, H. and Allen, J. L. and Feyerherm, R.
                      and Menzel, D. and Wolter, A. U. B. and Rule, K. C. and
                      Litterst, F. J. and Rößler, U. K. and Süllow, S.},
      title        = {{M}agnetism of the distorted kagome material clinoatacamite
                      {C}u$_2${C}l({OH})$_3$},
      reportid     = {FZJ-2025-04563},
      year         = {2025},
      abstract     = {Structurally, the mineral clinoatacamite Cu$_2$Cl(OH)$_3$
                      is closely related to the kagome material herbertsmithite
                      Zn$_3$CuCl$_2$(OH)$_6$. In clinoatacamite, however, the
                      kagome motif of Cu sites is embedded into a low-symmetry
                      crystal structure, which causes a distortion of the kagome
                      plane as well as different site symmetries for the kagome Cu
                      sites. Unlike the quantum spin liquid candidate
                      herbertsmithite, clinoatacamite undergoes a magnetic
                      transition at 18.1 K. Its magnetic ground states have
                      remained inconclusive to date. Here, we will revisit the
                      magnetic properties using single-crystalline material. We
                      will first demonstrate using density-functional theory that
                      the dominant magnetic exchange couplings in this material
                      form non-uniform antiferromagnetic kagome layers of Cu sites
                      with weak ferromagnetic couplings to the interlayer Cu site.
                      Further, we have characterized clinoatacamite by means of
                      thermodynamic measurement techniques, muon spin
                      rotation/relaxation as well as neutron diffraction. We
                      reveal a zero-field magnetic phase diagram which is far more
                      complex than previously anticipated. We discuss our data
                      within a scenario of competing order parameters on the
                      inequivalent Cu sites.},
      month         = {Oct},
      date          = {2025-10-27},
      organization  = {Munich Quantum Matter Days, Munich
                       (Germany), 27 Oct 2025 - 31 Oct 2025},
      subtyp        = {After Call},
      cin          = {JCNS-4 / JCNS-3 / MLZ / JCNS-FRM-II},
      cid          = {I:(DE-Juel1)JCNS-4-20201012 / I:(DE-Juel1)JCNS-3-20170926 /
                      I:(DE-588b)4597118-3 / I:(DE-Juel1)JCNS-FRM-II-20110218},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 632 - Materials – Quantum, Complex and
                      Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/1048341},
}