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SINQ: The Swiss Spallation Neutron Source

Neutron scattering is one of the most effective ways to obtain information on both, the structure and the dynamics of condensed matter. A wide scope of problems, ranging from fundamental to solid state physics and chemistry, and from materials science to biology, medicine and environmental science, can be investigated with neutrons. Aside from the scattering techniques, non-diffractive methods like imaging techniques can also be applied with increasing relevance for industrial applications.

The spallation neutron source SINQ is a continuous source - the first and only one of its kind in the world - with a flux of about 1014 n/cm2/s. Beside thermal neutrons, a cold moderator of liquid deuterium (cold source) slows neutrons down and shifts their spectrum to lower energies. These neutrons have proved to be particularly valuable in materials research and in the investigation of biological substances. SINQ is a user facility. Interested groups can apply for beamtime on the various instruments by using the SINQ proposal system.

Latest news:

The call II-22 for beamtime requests between September and December 2022 has been closed on May 15, 2022.  The results of the evaluation can be expected in July.

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Latest news and scientific highlights:

3 June 2022
soft matter workshop CH-FR

SANS-LLB at PSI: keeping up with the soft matter community needs

The shutdown of the Orphée reactor at LLB (Saclay, France) and the upgrade of the SINQ neutron guide system at PSI (Villigen, Switzerland) in 2019 were the beginning of a long-term collaboration between PSI and LLB. The SANS-LLB instrument, formerly known as PA20, has travelled more than 500 km, and since 2020 is being installed at SINQ/PSI as a collaborative effort between PSI and LLB. The aim is to make a modern SANS instrument available to the soft matter neutron scattering community at the SINQ spallation source.

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3 May 2022
Mielke et al

Low-temperature magnetic crossover in the topological kagome magnet TbMn6Sn6

Magnetic topological phases of quantum matter are an emerging frontier in physics and materials science, of which kagome magnets appear as a highly promising platform. Here, we explore magnetic correlations in the recently identified topological kagome system TbMn6Sn6 using muon spin rotation, combined with local field analysis and neutron diffraction. Our studies identify an out-of-plane ferrimagnetic structure with slow magnetic fluctuations which exhibit a critical slowing down below T*C1 ≃ 120 K and finally freeze into static patches with ideal out-of-plane order below TC1 ≃ 20 K....

 

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3 March 2022
Prof. Dr. Marc Janoschek

Waves on circular paths

Just as electrons flow through an electrical conductor, magnetic excitations can travel through certain materials. Such excitations, known in physics as "magnons" in analogy to the electron, could transport information much more easily than electrical conductors. An international research team has now made an important discovery on the way towards such components, which could be highly energy-efficient and considerably smaller.

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17 January 2022
25 years SINQ

Celebrating 25 years of SINQ

On January 17th, 2022, we celebrated the 25th anniversary of the inauguration of the Swiss Spallation Neutron Source SINQ. Today, SINQ is firmly embedded in the European research landscape and has established itself as an important center for neutron research.

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More SINQ highlights can be found on the Webpages of the NUM Division.

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