Transition énergétique

Abandon de l’énergie nucléaire, développement de l’énergie solaire et éolienne, production d’énergie à partir de la biomasse, réduction de la consommation d’énergie. D’ici 2050, la Suisse doit atteindre la neutralité climatique. Un objectif ambitieux, rendu plus urgent que jamais par une situation géopolitique de plus en plus difficile. Comment faire pour mettre en place ces prochaines années un approvisionnement énergétique durable et résistant pour la Suisse? Comment les énergies renouvelables peuvent-elles être utilisées de manière optimale? Quelles sont les nouvelles technologies les plus prometteuses? Au PSI, des chercheurs s’efforcent de trouver des réponses à ces questions décisives.

installation ESTIA

Swiss precision optics in Sweden

PSI has finalized the precision Selene neutron optics for the ESTIA instrument. The complex state-of-the-art guide was installed at the European Spallation Source as a Swiss in-kind delivery.

Flokstra et al

Spin-orbit driven superconducting proximity effects in Pt/Nb thin films

Manipulating the spin state of thin layers of superconducting material is a promising route to generate dissipationless spin currents in spintronic devices. Approaches typically focus on using thin ferromagnetic elements to perturb the spin state of the superconducting condensate to create spin-triplet correlations. We have investigated simple structures that generate spin-triplet correlations without using ferromagnetic elements.

 

Guguchia et al, npj QM

Unconventional charge order and superconductivity in kagome-lattice systems as seen by muon-spin rotation

Kagome lattices are intriguing and rich platforms for studying the intertwining of topology, electron correlation, and magnetism. These materials have been subject to tremendous experimental and theoretical studies not only due to their exciting physical properties but also as systems that may solve critical technological problems. We will review recent experimental progress on superconductivity and magnetic fingerprints of charge order in several kagome-lattice systems from the local-magnetic probe point of view by utilizing muon-spin rotation under extreme conditions, i.e., hydrostatic pressure, ultra low temperature and high magnetic field.

 

Han et al

Strong phonon softening and avoided crossing in aliovalence-doped heavy-band thermoelectrics

Aliovalent doping is a way to optimize the electrical properties of semiconductors, but its impact on the phonon structure and propagation is seldom considered properly. Here we show that aliovalent doping can be much more effective in reducing the lattice thermal conductivity of thermoelectric semiconductors than the commonly employed isoelectronic alloying strategy. We demonstrate ...

Photo of the tree-hole toad tree frog

On the trail of blue bones

The bones of the tree hollow toad tree frog are turquoise blue. Our team is currently investigating the nanostructure of the bone and its significance for the frog.

Einführungswoche 2023

Einführungswoche 2023

Am Montag, 7. August 2023 durften wir 30 neue Lernende und Praktikant*innen am PSI begrüssen. Wir wünschen ihnen einen guten Start in der Berufswelt und eine erfolgreiche Lehr- und Praktikumszeit.

Apochromatic X-ray focusing Editor Highlight

Apochromatic X-ray focusing as Editor's Highlight in Light: Science & Applications

Our recent work on the 1st demonstration of apochromatic X-ray lenses has been selected as an Editor's Highlight in Light: Science & Applications.

Sandra Mous

Sandra Mous received the ETH Medal for her dissertation at ETH Zurich

Sandra Mous received the ETH Medal for her dissertation at ETH Zurich under the supervision of Prof. Gebhard F.X. Schertler, Division Head of Biology and Chemistry at PSI. She captured the first molecular movie of an anion transported across the cell membrane by a protein pump. Congratulations!

Narmadha Devi Suresh Kumar

Welcome to LXN Narmadha Devi

Herzlich Willkommen Narmadha Devi in LXN!

grab_prr_ca

Direct observation of exchange anisotropy in the helimagnetic insulator Cu2OSeO3

The helical magnetic structures of cubic chiral systems are well explained by the competition among Heisen- berg exchange, Dzyaloshinskii-Moriya interaction, cubic anisotropy, and anisotropic exchange interaction (AEI). Recently, the role of the latter has been argued theoretically to be crucial for the low-temperature phase diagram of the cubic chiral magnet Cu2OSeO3, which features tilted conical and disordered skyrmion states for a specific orientation of the applied magnetic field (μ0H⃗ ∥ [001]). In this study ...

Bechir Braham

Welcome to LXN Bechir Braham

Herzlich Willkommen Bechir Braham in LXN!

Brahlek et al

Emergent Magnetism with Continuous Control in the Ultrahigh-Conductivity Layered Oxide PdCoO2

The current challenge to realizing continuously tunable magnetism lies in our inability to systematically change properties, such as valence, spin, and orbital degrees of freedom, as well as crystallographic geometry. Here, we demonstrate that ferromagnetism can be externally turned on with the application of low-energy helium implantation and can be subsequently erased and returned to the pristine state via annealing.

 

twisted graphene

Controlling topological states in bilayer graphene

Parameters of topological channels created in twisted bilayer graphene can be controlled by lithium atoms intercalation.

Lehrlingsevent Gewerbeverein 2023

Lehrlingsevent Gewerbeverein 2023

Der traditionelle Lehrlingsevent des Gewerbevereins Aaretal-Kirchspiel fand dieses Jahr am Freitag, 30. Juni im Betriebsrestaurant OASE vom PSI statt. Leider nur 2 PSI-Lehrabsolventen und 2 Berufsbildner nahmen daran teil. Die Lernenden erhielten mit ihren guten Abschlüssen ein schönes Geschenk.

Feriencamp 2023

Feriencamp 2023

Das diesjährige Feriencamp konnten wir mit 35 Kinder von PSI-Mitarbeitenden durchführen. Wir verbrachten eine interessante, tolle und heisse Woche am PSI. Herzlichen Dank allen Helfenden, welche dies überhaupt ermöglichen!

FELFEL Logo

FELFEL: a new catering offer at PSI

FELFEL - a new catering service that offers fresh locally produced meals is available now 24/7 in Cafeteria Time-Out (PSI  West). In addition, the PSI restaurant has re-opened for dinner (Mon-Fri).

MUMOTT V1.0 logo

MUMOTT V1.0 released!

We are happy to announce the release of MUMOTT (multi-modal tensor tomography) 1.0, an all-Python package for the analysis of tensor tomography measurements! 

Stephan VP Prize

2023 Physics Lab Award for Stephan Burkhalter

Stephan Burkhalter (PhD student in our group) is the recipient of this year’s Lab Award of the Physics Department at ETH Zurich.

Tiziano LHCP

Best Poster Award for Tiziano Bevilacqua

Tiziano Bevilacqua (PhD student in our group) has been awarded a price for the best poster at the Large Hadron Collider Physics conference (LHCP) that took place in Belgrade this year.

Marino Missiroli

Marino Missiroli elected Trigger Coordinator of the CMS experiment at CERN

Marino Missiroli (postdoctoral researcher in our group) will join the management team of the CMS experiment at CERN as Trigger Co-Coordinator in September 2023.