Ferroelectric domain walls show thermally activated creep and progressively roughen when driven from the edges of planar electrodes, potentially limiting racetrack memory applications in thin films. This research is published in Applied Physics Letters. Domain walls are nanoscale boundaries separating regions with different orientation of polarisation in ferroelectric materials. They can present novel physical properties…
On December 9th 2021, the association MaNEP Switzerland Network met for its 9th Forum Meeting. The president of the board, Prof. Christian Rüegg (PSI, UniGe, ETH Zurich, EPFL), welcomed 20 participants online and reported on the status and activities of the association, for example the MaNEP membership numbers, communications, summer internships sponsored by MaNEP and…
The Van der Waals materials workshop series serve to keep each other informed of the latest Swiss developments in this field, to create a place to discuss pressing scientific issues, and establish collaborations whenever beneficial. We bring together all interested groups working on Van der Waals materials – from crystal-growers, to spectroscopists, device-makers, and theorists.…
By Jean-Philippe Brantut, EPFL and Tilman Esslinger, ETHZ Cavity Quantum Electro-Dynamics (QED) has been one of the most successful platforms for the study of fundamental processes in quantum physics. It allows for the investigation of light-matter interactions including a detailed understanding of dissipation channels. In this article we would like to give a brief introduction to…
We are glad to inform our members that the SWM 2022 is scheduled from August 29th to 31st, 2022. The last edition of the SWM, initially planned for August 2021 and delayed due to the pandemic, offers an updated program: 3 days around scientific talks given by world-renowned international speakers and selected abstracts of MaNEP…
By Ivan Maggio-Aprile, Tim Gazdić, Christoph Renner, UNIGE Based on article published in Physical Review X Magnetic vortices in superconductors are singular objects at the center of which the superconducting order parameter is locally destroyed. As a consequence, the electronic excitations in their cores are expected to be fundamentally different from the ones occurring in the…
By Simon Gerber, PSI Based on article published in Reviews of Modern Physics An international team with participation of the Paul Scherrer Institute (PSI) reviews how light can fundamentally change the properties of solids and how these effects can be used for future applications. The team summarises the progress in this field, which is based among…
What have been your main fields of research and your most surprising scientific finding during these last years ? Broadly speaking, our research deals with the investigation of atomic scale quantum materials using scanning probe microscopy. This includes scanning tunneling microscopy (STM) based electron spin resonance, atomic force microscopy, time-resolved measurements, and quasiparticle interference imaging.…
The MaNEP mini-workshop on Oxide Heterostructures took place on the 28th of October 2021. The goal of this online meeting was to bring together Swiss researchers working in the field of complex oxides and provide them with an opportunity to present and discuss their work, especially for PhD students and postdocs. During the workshop, we…
Prof. Fabian von Rohr received the Ruzicka Prize 2021 the for his work on the discovery of quantum materials by combining chemical and physical design principles. The award ceremony took place on November 18. The Ruzicka Prize, named after the ETH professor and Nobel laureate Leopold Ruzicka, is one of the most important awards for…
The charge density wave order is a fascinating electronic phase that appears in some metallic crystals below a critical temperature. It combines a periodic distortion of the atomic lattice and a redistribution of the electronic charge to a standing-wave arrangement. These modulations form new periodicities that modify the symmetries of the host material, with important…
The Scienscope of the Faculty of Science at Université de Genève was inaugurated on October 5th, 2021. It consists of seven new spaces dedicated to the discovery of the sciences taught and studied in the Faculty. With more than 35’000 visitors each year, the UNIGE Scienscope is open to primary and secondary I and II…
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