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@INPROCEEDINGS{Xu:1031779,
      author       = {Xu, Yifan and Qdemat, Asmaa and Bednarski-Meinke, Connie
                      and Hussein, Mai and Petracic, Oleg and Tober, Steffen},
      title        = {{I}nvestigation of the structural and magnetic properties
                      of thein-terface in {F}e3{O}4/{T}i{O}2-{N}b:{STO}
                      heterostructures},
      reportid     = {FZJ-2024-05806},
      year         = {2024},
      abstract     = {The Fe3O4/Nb:STO system has gathered significant attention
                      due to its potential application in spintronicsand
                      memristors. The interface between Fe3O4 and Nb:STO plays a
                      crucial role in determiningthe overall electronic and
                      magnetic properties of the system. We present an
                      investigation of a 30nm Fe3O4 thin film on a TiO2 terminated
                      Nb-doped SrTiO3 (TiO2-Nb:STO) substrate deposited bypulsed
                      laser deposition (PLD), focusing on the buried interface
                      using Polarized Neutron Reflectometry(PNR), X-ray Magnetic
                      Circular Dichroism (XMCD), and X-ray Reflectometry (XRR).Our
                      study utilizes XRR to assess the structural properties,
                      including roughness and density variations,across the
                      interface. PNR is employed to probe the magnetic depth
                      profile. The combinationof these techniques reveals a 1 unit
                      cell (u.c.) γ-Fe2O3 interlayer between the Fe3O4 thin film
                      andthe Nb:STO substrate and a 2 u.c. γ-Fe2O3 surface layer.
                      XMCD provides element-specific magneticinformation
                      throughout the entire system, confirming the total thickness
                      of γ-Fe2O3 to be 3u.c.The results reveal significant
                      modifications in the magnetic and structural properties at
                      the buriedinterface, driven by interactions between the
                      Fe3O4 film and the TiO2-Nb:STO substrate. Specifically,the
                      presence of the γ-Fe2O3 interlayer and surface layer
                      affects the magnetic coupling of thesystem.},
      month         = {Oct},
      date          = {2024-10-08},
      organization  = {JCNS Workshop 2024, Trends and
                       Perspectives in Neutron Scattering:
                       Functional Interfaces, Evangelische
                       Akademie Tutzing (Germany), 8 Oct 2024
                       - 11 Oct 2024},
      subtyp        = {Invited},
      cin          = {JCNS-2 / JARA-FIT},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / $I:(DE-82)080009_20140620$},
      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)6},
      url          = {https://juser.fz-juelich.de/record/1031779},
}