LIN: Laboratory for Neutron and Muon Instrumentation
Through a unique mix of technical and scientific staff the Laboratory for Neutron and Muon Instrumentation (LIN) is central to the operation and development of scientific instrumentation and methods for the SINQ and UCN neutron sources as well as the SμS muon source at the Paul Scherrer Institut (PSI). These efforts enable both PSI researchers as well as the international scientific user community to carry out state-of-the-art experiments that employ neutron and muon particle beams to solve topical scientific issues in fields ranging from particle physics to solid state physics to materials science.
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LIN builds pressure vessels for joint detector project with FRM-II in Munich
Highly efficient two-dimensional detectors are essential for the performance of modern neutron diffractometers. The NUM Division of PSI and the Technical University Munich TUM jointly develop two identical new 3He gas detectors, one for the diffractometer DMC at SINQ and the other for operation at FRM-II in Munich.
New NUM Laboratory for Neutron and Muon Instrumentation (LIN)
In the division Research with Neutrons and Muons (NUM) all technical knowledge and expertise concerned with the development and operation of the scientific instrumentation for neutron and muon experiments at our user facilities have been united in the new Laboratory for Neutron and Muon Instrumentation (LIN).
Evolution of Magnetic Order from the Localized to the Itinerant Limit
Quantum materials that feature magnetic long-range order often reveal complex phase diagrams when localized electrons become mobile. In many materials magnetism is rapidly suppressed as electronic charges dissolve into the conduction band. In materials where magnetism persists, it is unclear how the magnetic properties are affected.
Visualization and quantification of inhomogeneous and anisotropic magnetic fields by polarized neutron grating interferometry
The intrinsic magnetic moment of a neutron, combined with its charge neutrality, is a unique property which allows the investigation of magnetic phenomena in matter. Here we present how the utilization of a cold polarized neutron beam in neutron grating interferometry enables the visualization and characterization of magnetic properties on a microscopic scale in macroscopic samples.
Pauling Entropy, Metastability, and Equilibrium in Dy2Ti2O7 Spin Ice
Determining the fate of the Pauling entropy in the classical spin ice material Dy2Ti2O7 with respect to the third law of thermodynamics has become an important test case for understanding the existence and stability of ice-rule states in general. The standard model of spin ice—the dipolar spin ice model—predicts an ordering transition at T ≈ 0.15K, but recent experiments by Pomaranski et al.