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Self-organized electronic superlattices in transition metal oxides studied by means of novel synchrotron radiation techniques

Fachliche Zuordnung Experimentelle Physik der kondensierten Materie
Förderung Förderung von 2006 bis 2010
Projektkennung Deutsche Forschungsgemeinschaft (DFG) - Projektnummer 21706688
 
The study of electronic cooperation in doped transition metal oxides is a central issue of contemporary condensed matter research. These materials display a large variety of fascinating physical phenomena like high-temperature superconductivity and colossal magneto-resistance that arise from complex interactions between the lattice and different electronic degrees of freedom like spins, charges, and orbitals. The interactions among the electrons often lead to a long range ordering of these electronic degrees of freedom, resulting in electronic superlattices that have a larger periodicity than the underlying lattice structure. Consequently, an electronic superlattice is a direct manifestation of the intricate interactions between the electrons and, therefore, the study of these order phenomena is a powerful approach to elucidate the mechanisms of electronic cooperation. Within this project at the AMPEL research center in Vancouver, Canada, we plan to study electronic superlattices in doped cuprates, manganites and cobaltates by means of a novel synchrotron radiation technique, namely Resonant Soft X-ray Scattering. This technique provides a unique experimental probe to investigate electronic superlattices and will be used to clarify issues of high scientific relevance. In addition, the fellow will participate in the development of a completely new Resonant Elastic and Inelastic X-ray Scattering facility, which does not yet exist in Europe. The planned project provides a unique opportunity to achieve new scientific skills and to widen the international experience of the fellow.
DFG-Verfahren Forschungsstipendien
Internationaler Bezug Kanada
 
 

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