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@ARTICLE{Karthein:1053079,
      author       = {Karthein, Jan and Buchhorn, Jonas and Underwood, Kaycee and
                      Jalil, Abdur Rehman and Vaßen-Carl, Max and Schüffelgen,
                      Peter and Grützmacher, Detlev and Schäpers, Thomas},
      title        = {{C}ontrolling the magnetotransport properties of magnetic
                      topological insulator {C}r x ( {B}i y {S}b 1 − y ) 2 − x
                      {T}e 3 thin films via molecular beam epitaxy},
      journal      = {Physical review materials},
      volume       = {9},
      number       = {12},
      issn         = {2475-9953},
      address      = {College Park, MD},
      publisher    = {APS},
      reportid     = {FZJ-2026-01419},
      pages        = {124202},
      year         = {2025},
      abstract     = {In this work we present a systematic in-depth study of how
                      we can alter the magnetotransport properties of magnetic
                      topological insulator thin films by tuning the parameters of
                      the molecular-beam epitaxy. First, we show how a varying
                      substrate temperature changes the surface morphology and,
                      when chosen properly, leads to a high crystal quality. Next,
                      the effect of the chromium concentration on the film
                      roughness and crystal quality is investigated. Finally, both
                      the substrate temperature and the chromium concentration are
                      investigated with respect to their effect on the
                      magnetotransport properties of the magnetic topological
                      insulator thin films. It becomes apparent that the substrate
                      temperature and the chromium concentration can be used to
                      tune the Fermi level of the film which allows to make the
                      material intrinsically charge neutral. A very low chromium
                      concentration furthermore allows to tune the magnetic
                      topological insulator into a regime where strong
                      superconducting correlations can be expected when combining
                      the material with a superconductor.},
      cin          = {PGI-9 / PGI-10},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / I:(DE-Juel1)PGI-10-20170113},
      pnm          = {5222 - Exploratory Qubits (POF4-522) / DFG project
                      G:(GEPRIS)491798118 - Magnetische topologische Isolatoren
                      für robuste Majorana Zustände (491798118) / DFG project
                      G:(GEPRIS)390534769 - EXC 2004: Materie und Licht für
                      Quanteninformation (ML4Q) (390534769)},
      pid          = {G:(DE-HGF)POF4-5222 / G:(GEPRIS)491798118 /
                      G:(GEPRIS)390534769},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1103/8m2h-83zm},
      url          = {https://juser.fz-juelich.de/record/1053079},
}