Neutrons - where


The Budapest Neutron Center is part of the Center for Energy Research (EK) located in Budapest, Hungary. BNC coordinates the use of the reactor and provides scientific infrastructure for the international user community. Currently 16 experimental stations are offered in the user programme. A major step in the instrument development programme was the installation of the cold neutron source (CNS) facility in 2000. The commissioning of the CNS was followed by the replacement of the former neutron guides by new supermirror guides in both the in-pile and out-of pile sections. In the following years the focus of development gradually shifted towards the improvement of quality and reliability of the experiments and of the sample environment.


BNC is located on the KFKI Science Campus
Konkoly-Thege Miklós út 29, 1121
Budapest, Hungary
Tel: +36 1 3922222
Visit  BNC website
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Proposal deadline: May 3, 2021.


The European Spallation Source is under construction on the outskirts of Lund, a city in southern Sweden. The facility's unique capabilities will both greatly exceed and complement those of today's leading neutron sources, enabling new opportunities for researchers across the spectrum of scientific discovery, including materials and life sciences, energy, environmental technology, cultural heritage and fundamental physics. The European Spallation Source is one of the largest science and technology infrastructure projects being built today. The facility design and construction include the most powerful linear proton accelerator ever built, a five-tonne, helium-cooled tungsten target wheel, 22 state-of-the-art neutron instruments, a suite of laboratories, and a supercomputing data management and software development centre.
The increased performance of the ESS facility will elevate research using neutrons to a new level. The increased performance of ESS include the high beam intensity, long pulses, high-performance computing, real-world samples and extreme conditions, and state-of-the-art support facilities. Smaller and more complex samples will be accessible for neutron investigations, making the study of rare and biological samples and samples under extreme conditions possible, among other things. These gains will bring a paradigm shift in neutron science, and expand the use of neutron methods, providing the wider research community with a smart new set of experimental options.
The construction of the facility began in the summer of 2014, and the planning for the ESS user programme is ongoing

The European Spallation Source

Odarslövsvägen 113
224 84 Lund, Sweden
Tel: +46 (0) 46 888 30 00
Visit  ESS website

ESS timeline

Instrument commissioning: 2022
User Program begins: 2023
Project Status : 73% (Nov. 2020)


The research neutron source Heinz Maier-Leibnitz (FRM II) is a central scientific institute of the Technical University of Munich (TUM) housed on the premises of the Research Centre in Garching. FRM II is one of the most powerful and advanced neutron sources in the world. Using the nuclear fission of uranium, it produces more than 1014 free neutrons per square centimetre and second, which are used for research, industry and medicine. The thermal capacity amounts to 20 MW. FRM II is in operation at nominal power for 60 days. Each operating phase is followed by a maintenance break, so that each year users can typically benefit from up to 240 days for measurements.

Research Neutron Source Heinz Maier-Leibnitz (FRM II)

Technical University of Munich
Lichtenbergstr. 1
85748 Garching Germany
Visit  FRM II website
+49 (0)89 289-10794
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No open call at the moment


The Institut Laue-Langevin is an international research centre at the leading edge of neutron science and technology.
As the world’s flagship centre for neutron science, the ILL provides scientists with a very high flux of neutrons feeding some 40 state-of-the-art instruments, which are constantly being developed and upgraded.
As a service institute the ILL makes its facilities and expertise available to visiting scientists. Every year, about 1400 researchers from over 40 countries visit the ILL and 640 experiments selected by a scientific review committee are performed. Research focuses primarily on fundamental science in a variety of fields: condensed matter physics, chemistry, biology, nuclear physics and materials science, etc.
Whilst some are working on engine designs, fuels, plastics and household products, others are looking at biological processes at cellular and molecular level.  Still others may be elucidating the physics that could contribute to the electronic devices of the future. ILL can specially tailor its neutron beams to probe the fundamental processes that help to explain how our universe came into being, why it looks the way it does today and how it can sustain life. The ILL also collaborates closely and at different levels of confidentiality with the R&D departments of industrial enterprises.
All the scientists at the ILL - chemists, physicists, biologists, crystallographers, specialists in magnetism and nuclear physics - are also experts in neutron research and technology and their combined know-how is made available to the scientific community.
ILL is funded and managed by France, Germany and the United Kingdom, in partnership with 11 other countries including Italy.
If you wish to know what neutrons can do for you, you can contact one of ILL 'scientific animators’. They will help you to identify the scientists and instruments whose assistance you will need for your research.

Institute Laue Langevin

ILL - User Office
71 avenue des Martyrs
F-38000 Grenoble (France)
Visit  ILL website
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There are different ways of submitting a proposal to the ILL, including Quick Access for Covid-related experiments, as summarised here.
Proposal deadline (standard proposal): 15 February 2021 (midnight)


ISIS Neutron and Muon Source is a world-leading centre for research at the STFC Rutherford Appleton Laboratory near Oxford (UK). The suite of neutron and muon instruments give unique insights into the properties of materials on the atomic scale.
ISIS is part of the global research structure, providing tools for over 2,000 scientists a year to use the suite of 32 instruments. Science spans a wide range of disciplines, from magnetism to cultural heritage, engineering to food science, chemistry to environmental science.
More instruments are planned through the Endeavour programme.  Endeavour will see the ISIS instrument suite developed to meet current and future challenges in areas such as Materials for the Future; Smart, Flexible and Clean Energy Technologies; Advanced Manufacturing; and Biosciences and Healthcare. More information can be found on the Endeavour webpage

ISIS Neutron and Muon Source User Office

Science and Technology Facilities Council
Rutherford Appleton Laboratory
Harwell Oxford
OX11 0QX
United Kingdom
Contact: +44 1235 445592
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Visit   ISIS website


Postponed, to be announced.
Expected mid-2021


The Paul Scherrer Institute runs Switzerland's large scale research facilities for users from the national and international scientific community, in particular for condensed matter, materials science, particle physics and biology research. PSI is one of the very few locations in the world providing the three complementary probes of synchrotron X-rays, neutrons and muons at one site.
The world’s most powerful High Intensity Proton Accelerator HIPA with its 590MeV, 1.4MW proton beam drives several user facilities: Neutrons are produced at the continuous spallation source (SINQ) – the only one of its kind worldwide. SINQ is a state-of-the-art user facility for neutron scattering and imaging with a suite of totally 18 instruments.
The spallation neutron source SINQ is a continuous source - the first 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

Paul Scherrer Institut

User Office
bldg WLGA/018
Forschungsstrasse 111
CH-5232 Villigen-PSI
Phone: +41 56 310 4666
Fax: +41 56 310 3280
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Next submission deadline: May 15, 2021