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In topological materials, electrons can display behaviour that is fundamentally different from that in ‘conventional’ matter, and the magnitude of many such ‘exotic’ phenomena is directly proportional to an entity known as the Chern number. New experiments establish for the first time that the theoretically predicted maximum Chern number can be reached — and controlled — in a real material. more

Electrons in “chiral crystals”, solid-state materials with definite “handedness”, can behave in unexpected ways. An interdisciplinary team from research institutions in Germany and China has realized now a theoretically predicted peculiar electronic state in a chiral compound, PtGa, from the class of topological materials. The study which was published in the journal Nature Communications allows a fundamental understanding of the electronic properties of this novel semimetal. more

An outstanding collaboration combines materials science, experimental and theoretical physics. The work paves the way to new designed materials that combine in them multiple electrical functionalities. more

Physicists discover a new kind of strange metal more

Professor Frank Steglich is awarded the Fritz London Memorial Prize. more

The research teams of Hao Tjeng from the MPI-CPfS, Andrea Severing from the University of Cologne, Antoine Maignan from CRISMAT Laboratory Caen, and Maurits Haverkort from the University of Heidelberg have succeeded in determining the electronic orbital that is responsible for the Ising magnetism in Ca3Co2O6. A direct image of the donut-shaped orbital has been made using the new Max Planck end-station at German Electron Synchrotron DESY in Hamburg. more

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