The PSI Center for Neutron and Muon Sciences uses neutrons and muons to explore and understand matter and materials.
Recent News & Scientific Highlights
Oxygen-isotope effect on the density wave transitions in La3Ni2O7
The isotope effect is a powerful probe of electron-phonon interactions in solid-state systems, offering key insights into how atomic mass influences emergent quantum states. Here, the impact of oxygen-isotope substitution (16O→18O) on charge- and spin-density wave (CDW and SDW) transitions in the double-layer Ruddlesden-Popper nickelate La3Ni2O7 is investigated ...
Pressure and oxygen-isotope substitution on density-wave transitions in La4Ni3O10
Understanding the interplay between magnetism and superconductivity in nickelate systems is a key objective in condensed matter physics. Gaining microscopic insights into magnetism—particularly as it emerges near superconductivity—requires a synergistic approach that combines complementary experimental techniques with controlled tuning of external parameters. In this paper, we present ...
Topological metal-insulator transition within the ferromagnetic state
A major challenge in condensed matter physics is integrating topological phenomena with correlated electron physics to leverage both types of states for next-generation quantum devices. Metal-insulator transitions are central to bridging these two domains while simultaneously serving as on-off switches for electronic states. Here, we demonstrate ...
Room-Temperature Magnetic Skyrmions and Intrinsic Anomalous Hall Effect in a Nodal-Line Kagomé Ferromagnet MnRhP
Topological magnetic semimetals with kagomé lattices have attracted significant attention due to their nontrivial electronic band structures and pronounced electromagnetic responses. The search for kagomé-lattice topological semimetals exhibiting magnetic ordering above room temperature is essential ...
Muon Knight Shift as a Precise Probe of the Superconducting Symmetry of Sr2RuO4
Muon spin rotation (𝜇SR) measurements of internal magnetic field shifts, known as the muon Knight shift, are used for determining pairing symmetries in superconductors. While this technique has been especially effective for 𝑓-electron-based heavy-fermion superconductors, it remains challenging ...
Low-frequency electrochemical pulsing to manage flooding and salt precipitation in zero-gap CO2-to-ethylene electrolyzers
The electrochemical conversion of CO2 to ethylene offers a promising approach to expand manufacturing of commodity chemicals and fuels. Specifically, ethylene is a critical precursor for polyethylene a $240B industry. Expanding productivity ...
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Latest CNM publications
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Mandok L, Isenring P, Augustin H, Berger N, Köppel M, Krieger JA, et al.
Advanced muon-spin spectroscopy with high lateral resolution using Si-pixel detectors
Physical Review Research. 2026; 8: 013092 (6 pp.). https://doi.org/10.1103/f4jb-39yn
DORA PSI -
Boraley X, Christianson AD, Lass J, Balz C, Bartkowiak M, Niedermayer C, et al.
Magnetic field dependence of the spin fluctuations in CeCu5.8Ag0.2
Physical Review B. 2026; 113(4): 045154 (7 pp.). https://doi.org/10.1103/bjgt-p16s
DORA PSI -
Melčák M, Durďáková T‐M, Číhal P, Šercl J, Lee J, Boillat P, et al.
Interfacial behavior of methane in methane/p‐xylene/water systems: first principles inspected using neutron imaging and molecular dynamics simulations
Advanced Materials Interfaces. 2026: e00786 (10 pp.). https://doi.org/10.1002/admi.202500786
DORA PSI -
Aplin KL, Tabbett JD, Houghton IMP
Energy spectra from ionising radiation in the troposphere and stratosphere measured with a super-miniaturised scintillator detector
Radiation Measurements. 2026; 191: 107581 (8 pp.). https://doi.org/10.1016/j.radmeas.2025.107581
DORA PSI