The observation of vortices in superconductors was a major breakthrough in develo** the
conceptual background for superconducting applications. Each vortex carries a flux …

Spectroscopic measurements with low-temperature scanning tunneling microscopes have
been used very successfully for studying not only individual atomic or molecular spins on …

Cobalt atoms on the (111) surfaces of noble metals are considered to be prototypical
systems for the Kondo effect in scanning tunnelling microscopy experiments. Recent first …

Quantum spin networks having engineered geometries and interactions are eagerly
pursued for quantum simulation and access to emergent quantum phenomena such as spin …

Mixing of discretized states in quantum magnets has a radical impact on their properties.
Managing this effect is key for spintronics in the quantum limit. Magnetic fields can modify …

The magnetism of single atoms and molecules is governed by the atomic scale environment.
In general, the reduced symmetry of the surrounding splits the d states and aligns the …

Structural flexibility of molecule-based systems is key to realizing the novel functionalities.
Tuning the structure in the atomic scale enables us to manipulate the quantum state in the …

Shrinking spintronic devices to the nanoscale ultimately requires localized control of
individual atomic magnetic moments. At these length scales, the exchange interaction plays …

Harnessing the spin of single atoms is at the heart of quantum information nanotechnology
based on magnetic concepts. By attaching single Co atoms to monatomic Cu chains, we …

Quantum critical systems derive their finite-temperature properties from the influence of a
zero-temperature quantum phase transition. The paradigm is essential for understanding …