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@ARTICLE{Lytvynenko:607143,
      author       = {Lytvynenko, Y. and Fedchenko, O. and Chernov, S. V. and
                      Babenkov, S. and Vasilyev, Dmitry and Tkach, O. and
                      Gloskovskii, A. and Peixoto, T. R. F. and Schlueter, C. and
                      Grigorev, V. and Filianina, M. and Sobolev, S. and Kleibert,
                      A. and Kläui, M. and Demsar, J. and Schoenhense, Gerd and
                      Jourdan, M. and Elmers, Hans-Joachim},
      title        = {{C}ontrol of the asymmetric band structure in {M}n$_2${A}u
                      by a ferromagnetic driver layer},
      journal      = {Physical review / B},
      volume       = {108},
      number       = {10},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {APS},
      reportid     = {PUBDB-2024-01786},
      pages        = {104413},
      year         = {2023},
      abstract     = {Hard x-ray angle-resolved photoemission spectroscopy
                      reveals the momentum-resolved band structure in an epitaxial
                      Mn$_2$Au(001) film capped by a 2-nm-thick ferromagnetic
                      permalloy layer. By magnetizing the permalloy capping layer,
                      the exceptionally strong exchange bias aligns the Néel
                      vector in the Mn$_2$Au(001) film accordingly. Uncompensated
                      interface Mn magnetic moments in Mn$_2$Au were identified as
                      the origin of the exchange bias using x-ray magnetic
                      circular dichroism in combination with photoelectron
                      emission microscopy. Using time-of-flight momentum
                      microscopy, we measure the asymmetry of the band structure,
                      E(k)≠E(−k), in Mn$_2$Au resulting from the homogeneous
                      orientation of the Néel vector. Comparison with theory
                      shows that the Néel vector, determined by the magnetic
                      moment of the top Mn layer, is antiparallel to the permalloy
                      magnetization. The experimental results demonstrate that
                      hard x-ray photoemission spectroscopy can measure the band
                      structure of epitaxial layers beneath a metallic capping
                      layer and corroborate the asymmetric band structure in
                      Mn$_2$Au that was previously inferred only indirectly.},
      cin          = {FS-PETRA-S / DOOR ; HAS-User},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-PETRA-S-20210408 /
                      I:(DE-H253)HAS-User-20120731},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      DFG project 290319996 - Spin+Bahn-Wechselwirkung: Orbitronik
                      und Spin-Bahn Effekte (A01) (290319996) / DFG project
                      290329451 - Spin+Optische Kontrolle: Optisches Engineering
                      von Zuständen mit geordnetem Spin auf der fs-Zeitskala
                      (A02) (290329451)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(GEPRIS)290319996 / G:(GEPRIS)290329451},
      experiment   = {EXP:(DE-H253)P-P22-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001127441900003},
      doi          = {10.1103/PhysRevB.108.104413},
      url          = {https://bib-pubdb1.desy.de/record/607143},
}