Electronic Correlations & Magnetism

Novel materials exhibit a plethora of fascinating features rendering them relevant for basic research as well as for applications. Our research particularly focuses on materials which macroscopic properties are strongly affected by quantum fluctuations. The basic building blocks in several of these materials are low-dimensional and/or geometrically frustrated magnetic substructures, in which quantum effects are particularly pronounced.The emerging "quantum ground states" show behaviour beyond standard theories and hence enable extending our understanding of quantum many-body systems. In parallel to fundamental research aspects, our research on nanoscaled magnets for biomedical applications and on Lithium-ion batteries illustrates how novel electronically correlated materials can be directly relevant for applications.

Research Topics:

• Materials for Lithium-ion batteries and oxide nanostructures (BMBF-Nachwuchsgruppe / LiB2015) (Publications)
• Fe-based superconductors and related materials (Publications)
• Carbon-encapsulated nanomagnets for biomedical applications (see also: EU Network CARBIO) (Publications)
• Low-dimensional quantum spin systems (Publications)
• Molecular magnets/magnetic multi-center molecular complexes (Publications)
• Magnetoelectrics (Publications)
• Transition metal oxides: 3D magnetism (Publications)
• Misc.: 4f-systems; layered thin film systems (Publications);

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