Experimentalphysik IV

News

Theses Completed

In October 2026, Claudio Beck and Sandra Wetzel successfully defended their theses. 

Claudio Beck, Micromagnetic Simulations of Three-Dimensional Ferromagnetic Thin-Film Structures.

Sandra Wetzel, Exchange Bias-Effekt in ionenbeschussinduzierten, mikrostrukturierten magnetischen Mustern.

Congratulations!

Group Retreat 2026

Group photo.

Our annual group retreat took place on September 14–15, 2026. The purpose of this event was both to facilitate informal discussions on scientific topics and to strengthen the team spirit within the group.

3DMAG Symposium in Vienna

ICMF Conference in Vienna

Group photo.

Yahya Shubbak, Nikolai Weidt, and Rico Huhnstock attended the 17th International Conference on Magnetic Fluids (ICMF-17) in Vienna, Austria, from July 5–10, 2026. Among other topics, the conference addressed therapeutic approaches for treating cancer using magnetic particles.

Click here to read more about recent events in the AG Ehresmann.

Link to "News" page: Read More

Current research highlights

Magnetophoretic long jump of magnetic microparticles in an engineered magnetic stray field landscape for highly localized and large throughput on-chip fractionation

Magnetophoretic long jump of magnetic microparticles in an engineered magnetic stray field landscape for highly localized and large throughput on-chip fractionation: Read More

Combined Funnel, Concentrator, and Particle Valve Functional Element for Magnetophoretic Bead Transport Based on Engineered Magnetic Domain Patterns

Combined Funnel, Concentrator, and Particle Valve Functional Element for Magnetophoretic Bead Transport Based on Engineered Magnetic Domain Patterns: Read More

Theses

Information about possible topics for your bachelor's / master's thesis, your state examination or your PhD in the group of A. Ehresmann and experience reports from graduates can be found here.

Theses: Further Information

Secretariat

Andrea Wecker

Heinr.-Plett-Straße 40
34132 Kassel
Room 1265

Telefone: +49 561 804-4061

Consultation hour:
Tuesday-Thursday 9:30-16:30
Monday and Friday: upon arrangement

Interplay of protection and damage through intermolecular processes in the decay of electronic core holes in microsolvated organic molecules

D. Bloß et al. Phys. Chem. Chem. Phys., 27, 9329-9335 (2025).
DOI: https://doi.org/10.1039/D4CP03907F

Interplay of protection and damage through intermolecular processes in the decay of electronic core holes in microsolvated organic molecules: Read More

Experimental realization of Auger decay in the field of a positive elementary charge

A. Hans et al., "Experimental realization of Auger decay in the field of a positive elementary charge", Physical Review Letters 132, 20 (2024).
DOI: 10.1103/PhysRevLett.132.203002

Older research highlights

You can find older research highlights here.

Older research highlights: Forward