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SFB 491:  Magnetic Heterostructures: Structure and Electronic Transport

Subject Area Physics
Term from 2000 to 2011
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 5484012
 
Heterostructures consist of artificially stacked layers, separated by well defined interfaces, which jointly promise to display physical properties, different from any single one of them. The aim of the collaborative research centre 491 is to investigate the physical properties of those heterostructures, which have potential applications within the information and communication technology, and, in particular, in the area of non-volatile data storage and memory. Within the program a variety of different thin film combinations will be tested with respect to their potential applications, including metals, semiconductors, ferromagnets, antiferromagnetic oxides, superconductors, and insulators.
The common thread of the different projects within the collaborative research centre is the spin dependence of their  electronic properties, emerging from properly tailoring the heterostructures on a nanometer scale.  Examples for spin dependent properties include the injection and the transport of spin polarised electrons across metal-semiconductor interfaces, the antiferromagnetic exchange coupling and the giant magneto-resistance effect in ferromagneticmetal-paramagnetic trilayers, the exchange bias effect in ferromagnetic-antiferromagnetic bilayers, the perpendicular magnetic anisotropy of ferromagnetic thin films on paramagnetic substrates,  and quantum interference phenomena in superconducting-magnetic heterostructures.
DFG Programme Collaborative Research Centres

Completed projects

Applicant Institution Ruhr-Universität Bochum
Participating University Universität Duisburg-Essen
 
 

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