Physics: Fundamental and Applied Research
Experimental solid-state physics: In novel electronic materials transport phenomena of charge, spin, and heat are explored. Mathematical principles such as geometry, symmetry, and topology are important in this context. These investigations require extreme conditions: low-noise electronics, milli-Kelvin temperatures, and high magnetic fields. Consequently, the development of new measurement techniques and precise nano-metrology in my lab is of critical importance.
Short Videos (german)
Selected Publications
"Inverse Bauhaus"-principle
At the nanoscale, material properties can undergo drastic changes. This contrasts fundamentally with macroscopic objects, whose system size significantly exceeds the characteristic physical length scales relevant to their material properties. For macroscopic objects, physical properties depend on the choice of material. This follows the “Bauhaus” principle: form follows function . Well-known examples include the aerodynamic and hydrodynamic optimisation of aircraft and ships.
In nano- or micro-materials, the reverse effect can occur: function follows form. Their physical properties may depend on the geometry, not merely on the material choice. I term this the "inverse Bauhaus" principle.
On behalf of the "inverse Bauhaus" principle we may optimise material properties through geometric design. It allows for the tailoring of optoelectronic, thermal, thermoelectric, as well as spin and magnetic properties. This serves applications in electronic components.
Selected Publications
Towards "Universal Interdisciplinarity"
The integration of electronic materials into established and emerging technologies, including quantum technologies, advances communication and industrialization. Given the potential of these developments to alter evolutionary trajectories, I characterize three globally significant processes with uncertain outcomes as ongoing "world experiments" in which humanity plays a decisive role: first, changes in the "planetary metabolism"; second, human-machine-induced "evolutionary processes"; and third, the intergenerational transfer of knowledge
To meet future demands, the interaction between scientific disciplines, technologies, and societies requires substantial change, particularly regarding the conduct of scientific research. I argue that, in addition to established conventional disciplinary methods and interdisciplinary research within related fields, a fully universal approach is currently essential. Consequently, a novel path toward Universal Interdisciplinarity (UI) across all disciplines is mandatory.
Enabling a Universal Interdisciplinary Dialogue (UID) requires the inclusion of all sciences and arts in joint research processes. This is of crucial importance in addressing complex, critical processes that demand timely solutions and measures beyond established approaches: negotiating instabilities, anticipating future developments, and integrating diverse perspectives on global challenges. For Universal Interdisciplinary Research (UIR), which encompasses all sciences and arts, new standardised formats must be developed, and innovative evaluation and funding concepts establishe are called for.
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