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@INPROCEEDINGS{Xu:1026137,
      author       = {Xu, Yifan and Schöffmann, Patrick and Bednarski-Meinke,
                      Connie and Yin, Chenyang and Tober, Steffen and Qdemat,
                      Asmaa and Petracic, Oleg and Hussein, Mai},
      title        = {{T}uning the magnetic properties of {F}e3{O}4 thin films
                      driven by electric field},
      reportid     = {FZJ-2024-03298},
      year         = {2024},
      abstract     = {Tuning magnetic oxide phases at heterointerfaces is a
                      compelling strategy foradvancing spintronic and memristive
                      device applications. Specifically for ironoxides, we have
                      shown that we can tune themagnetic and electrical properties
                      ofthin films upon initiating a phase transition between
                      magnetite, maghemite andwustite. Here we show the
                      preparation and characterization of epitaxial Fe3O4thin
                      films grown on TiO2 - terminated Nb:SrTiO3 substrates via
                      pulsed laser deposition(PLD).We observe a change in the
                      Verwey transition - a critical indicatorof the oxygen
                      content in the Fe3O4 films and in particular, the
                      disappearanceof the Verwey transition when positive electric
                      field is applied. In addition, usingX-ray Magnetic Circular
                      Dichroism (XMCD), we observed a shift in the FeEdge. This
                      could be explained by oxygen diffusion through the interface
                      leadingto a reversible phase transition fromFe3O4(magnetite)
                      to γ-Fe2O3(maghemite).},
      month         = {Mar},
      date          = {2024-03-17},
      organization  = {87th Annual Meeting of the DPG and DPG
                       Spring Meeting 2024 of the Condensed
                       Matter Section (SKM), TU Berlin
                       (Germany), 17 Mar 2024 - 22 Mar 2024},
      subtyp        = {Invited},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      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)24},
      url          = {https://juser.fz-juelich.de/record/1026137},
}