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All Oxide Ferromagnet/Semiconductor Epitaxial Heterostructures
A. Nielsen, A. Brandlmaier, M. Althammer +6
Oxide based ferromagnet/semiconductor heterostructures offer substantial advantages for spin electronics. We have grown (111) oriented Fe3O4 thin films and Fe3O4/ZnO heterostructur…
Epitaxial Zn(x)Fe(3-x)O(4) Thin Films: A Spintronic Material with Tunable Electrical and Magnetic Properties
Deepak Venkateshvaran, Matthias Althammer, Andrea Nielsen +5
The ferrimagnetic spinel oxide Zn(x)Fe(3-x)O(4) combines high Curie temperature and spin polarization with tunable electrical and magnetic properties, making it a promising functio…
Anomalous Hall Effect in Magnetite: Universal Scaling Relation Between Hall and Longitudinal Conductivity in Low-Conductivity Ferromagnets
Deepak Venkateshvaran, Wolfgang Kaiser, Andrea Boger +5
The anomalous Hall effect (AHE) has been studied systematically in the low-conductivity ferromagnetic oxide FeZnO with , 0.1, and 0.5. We used (001), (110),…
Piezo-control of magnetic anisotropy in GaMnAs: Reversible manipulation of magnetization orientation and irreversible magnetization switching
C. Bihler, M. Althammer, A. Brandlmaier +8
We have investigated the magnetic properties of a piezoelectric actuator/ferromagnetic semiconductor hybrid structure. Using a GaMnAs epilayer as the ferromagnetic semiconductor an…