All oxide ferromagnet/semiconductor epitaxial heterostructures

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2008
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Nielsen, Andrea
Brandlmaier, Andreas
Althammer, Matthias
Kaiser, Wolfgang
Opel, Matthias
Simon, Jürgen
Mader, Werner
Gross, Rudolf
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Oxide based ferromagnet/semiconductor heterostructures offer substantial advantages for spin electronics. We have grown (111) oriented Fe3O4 thin films and Fe3O4/ZnO heterostructures on ZnO(0001) and Al2O3(0001) substrates by pulsed laser deposition. High quality crystalline films with mosaic spread as small as 0.03°, sharp interfaces, and rms surface roughness of 0.3 nm were achieved. Magnetization measurements show clear ferromagnetic behavior of the magnetite layers with a saturation magnetization of 3.2μB/f.u. at 300 K. Our results demonstrate that the Fe3O4/ZnO system is an intriguing and promising candidate for the realization of multifunctional heterostructures.

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ISO 690NIELSEN, Andrea, Andreas BRANDLMAIER, Matthias ALTHAMMER, Wolfgang KAISER, Matthias OPEL, Jürgen SIMON, Werner MADER, Sebastian T. B. GOENNENWEIN, Rudolf GROSS, 2008. All oxide ferromagnet/semiconductor epitaxial heterostructures. In: Applied Physics Letters. American Institute of Physics (AIP). 2008, 93(16), 162510. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.2998576
BibTex
@article{Nielsen2008-08-16T10:07:48Zoxide-52523,
  year={2008},
  doi={10.1063/1.2998576},
  title={All oxide ferromagnet/semiconductor epitaxial heterostructures},
  number={16},
  volume={93},
  issn={0003-6951},
  journal={Applied Physics Letters},
  author={Nielsen, Andrea and Brandlmaier, Andreas and Althammer, Matthias and Kaiser, Wolfgang and Opel, Matthias and Simon, Jürgen and Mader, Werner and Goennenwein, Sebastian T. B. and Gross, Rudolf},
  note={Article Number: 162510}
}
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