Electronic Properties

At the PGI "Electronic Properties" Institute, we explore the interrelations between electronic structure and physical properties such as magnetism and magnetic phenomena by applying, for example, synchrotron radiation techniques. Systems of interest range from thin film systems, quantum wires and dots to molecules. Keywords here are nanosciences, spintronics, quantum computing, and giant magnetoresistance.

Head: Prof. Dr. Claus Michael Schneider

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Molecular interfaces for innovative sensors and data storage devices

Molecular interfaces formed between metals and molecular compounds have enormous potential as building blocks for future opto-electronics and spin-electronics devices. Transition metal phthalocyanine and porphyrin complexes are promising components for such interfaces. Scientists at Forschungszentrum Jülich have been working to develop a model system for designing such devices with unique functions and enhanced performance.

PGI Colloquium: Dr. Antoine Browaeys, Institut d’Optique, CNRS, Palaiseau, France

This seminar will present an example of synthetic quantum system, based on laser-cooled ensembles of individual atoms trapped in microscopic optical tweezer arrays. By exciting the atoms into Rydberg states, we make them interact, even at distances of more than ten micrometers. In this way, we study the magnetic properties of an ensemble of more than a hundred interacting ½ spins, in a regime in which simulations by usual numerical methods are already very challenging. Some aspects of this research led to the creation of a startup, Pasqal.

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