FOR 538: Doping Dependence of Phase Transitions and Ordering Phenomena in Cuprate Superconductors

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Doping dependence of phase transitions and ordering phenomena in copper-oxygen superconductors is the subject of this Research Unit. The purpose is to arrive at a detailed understanding of the phase diagramme of copper-oxygen systems with superconducting transition temparatures Tc up to 160 K and to disentangle general and sample related properties. As an example, while the electronic structure is essentially the same in all material classes there is a difference by an order of magnitude in the maximal Tc.