The PSI Center for Neutron and Muon Sciences uses neutrons and muons to explore and understand matter and materials.
Lab News & Scientific Highlights
Emergence of topological Hall effect from a fluctuation-based dynamic origin
The topological nature of the electronic bands or spin structure has direct manifestation in experimentally measured Hall conductivity. The extra topological (or geometrical) component to the Hall effect (THE) usually emerges due to multi-k structures, which inherently possess a finite static scalar spin chirality (SSC). Generating a THE in a single-k structure necessitates the consideration of the dynamical origin of SSC, the real material examples of such cases remain scarce to date.
In Search of New Physics: New Result from the MEG II Collaboration
On the occasion of a special seminar at the Paul Scherrer Institut (PSI) in Switzerland on 23 April 2024 the scientific collaboration of the MEG II experiment presented an important new result in the search for the decay of a positive muon into a positron and a photon. The findings, based on data collected in 2021 and 2022, are detailed in a paper published on arXiv and submitted to the journal Physical Review Letters.
Zero-field Hall effect emerging from a non-Fermi liquid in a collinear antiferromagnet V1/3NbS2
Magnetically intercalated transition metal dichalcogenides (TMDs) provide a versatile three-dimensional (3D) material platform to explore quantum phenomena and functionalities that emerge from an intricate interplay among magnetism, band structure, and electronic correlations.
Generation of Neutron Airy Beams
The Airy wave packet is a solution to the potential-free Schrödinger equation that exhibits remarkable properties such as self-acceleration, nondiffraction, and self-healing. Although Airy beams are now routinely realized ....
Vacancy-induced suppression of charge density wave order and its impact on magnetic order in kagome antiferromagnet FeGe
Two-dimensional (2D) kagome lattice metals are interesting because their corner sharing triangle structure enables a wide array of electronic and magnetic phenomena. Recently, post-growth annealing is shown to both suppress charge density wave (CDW) order and establish long-range CDW with the ability to cycle between states repeatedly in the kagome antiferromagnet FeGe.
Here we perform ...
New Website of the Swiss Neutron Science Society
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Recent CNM publications
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A. A, Kalal S, Saravanan K, Ojha S, Stahn J, Gupta M
Study of structural and magnetic properties of Pd-doped Co4N thin films
Journal of Superconductivity and Novel Magnetism. 2025; 38(1): 17 (7 pp.). https://doi.org/10.1007/s10948-024-06880-w
DORA PSI -
Abel C, Ayres NJ, Ban G, Bison G, Bodek K, Bondar V, et al.
Generating a highly uniform magnetic field inside the magnetically shielded room of the n2EDM experiment
European Physical Journal C: Particles and Fields. 2025; 85(2): 202 (19 pp.). https://doi.org/10.1140/epjc/s10052-025-13902-x
DORA PSI -
Adachi T, Ogawa T, Komiyama Y, Sumura T, Saito-Tsuboi Y, Takeuchi T, et al.
Spontaneous magnetic field and disorder effects in BaPtAs1-xSbx with a honeycomb network
Physical Review B. 2025; 111(10): L100508 (6 pp.). https://doi.org/10.1103/PhysRevB.111.L100508
DORA PSI