The PSI Laboratory for Muon Spin Spectroscopy uses the fundamental particles from the Swiss Muon Source SµS to investigate matter and materials.
Call for Proposals
Next Deadline: Call 2/2026 June 01, 2026.
- The 1st call (1/2026) for the year 2026 is closed.
- Note: Allocation period for call 1/2026: June 2026 - September 2026.
- Note: Allocation period for call 2/2026: October 2026 - December 2026.
- Experiment schedules
The technique "µSR" - Muon Spin Rotation, Relaxation or Resonance
A research tool using muons as sensitive local magnetic probes in matter.
Worldwide unique instruments:
The Low-Energy Muon (LEM) beam and µSR Spectrometer for the study of thin films, layers and surfaces;
the high-field instrument (HAL-9500) equipped with specially designed detectors to perform studies in fields up to 9.5 Tesla and at very low temperatures;
and the combination of very-high pressures (up to 2.8 GPa) combined with sub-Kelvin temperatures (GPD).
Lab News & Scientific Highlights
Zurab Guguchia awarded the ICSM2026 International Career (Lifetime) Achievement Award on Superconductivity
Philipp Schmidt-Wellenburg (CNM/LTP) was appointed as adjunct professor for experimental elementary particle physics at the University of Basel, on April 21, 2026.
Vanishing ordered moment in the frustrated triangular lattice antiferromagnet CuNdO2
The steady decline of neutron imaging (NI) facilities—driven in part by the shutdown of several research reactors—has increased the need to maximize the use of existing infrastructure. In this context, a collaborative effort between PSI-CNM, PSI-NES, and EPFL-LRS has led to the development ...
Emergence of a Fluctuating Ground State in Y-Kapellasite under Pressure
Y-kapellasite [Y3Cu9(OH)19Cl8], which hosts an original anisotropic kagome sublattice, is a promising candidate for studying elusive and complex correlated physics. It exhibits a theoretically predicted in-plane (1/3; 1/3) magnetic order, but its magnetic interaction values place it close to a phase boundary to a spin liquid state ...