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ILL facilities overview

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Under its dome, the ILL operates the High-Flux Reactor (HFR), a research reactor that delivers the world's most intense continuous neutron beams to a suite of over 40 state-of-the-art neutron instruments. The ILL also offers its scientific users an unparalleled set of support labs and scientific and technical services. The ILL's facilities enable research to be conducted across a wide range of scientific disciplines, providing the scientific community with advanced tools to study material structures, molecular dynamics, and magnetic properties.

The secret behind the ILL's modern and highly optimised infrastructure is the constant upgrade of its facilities and instruments. Through continuous investment in scientific infrastructures, instruments, support labs and services, the ILL has reached its highest performance level ever.

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ILL Hall
Experimental Hall ©Thion-Ecliptique

The ILL's suite of over 40 instruments is located in the reactor building (ILL5) and in the neutron guide halls (ILL7 and ILL22). The instruments are organised in groups according to the techniques they use. The user support infrastructure includes laboratories and technical facilities dedicated to advanced neutron sample environments, as well as to biology, chemistry, deuteration and soft matter.

Besides the user support facilities, ILL's installations include laboratories and technical facilities for research and development (R&D) in a comprehensive set of neutron technologies, in which the ILL is world leader.

Click HERE to enlarge the picture and HERE for a detailed map of the ILL instrument suite.

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ILL facilities overview
Under its dome, the ILL operates the High-Flux Reactor (HFR), a research reactor that delivers the world's most intense continuous neutron beams to a suite of over 40 state-of-the-art neutron instruments. The ILL also offers its scientific users an unparalleled set of support labs and scientific an...
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Endurance programme
ILL technology for the next decade of science innovation Installation of the H1-H2 beam tube. With the completion of the Endurance upgrade programme, the ILL is at its highest performance level ever. The programme consolidates our position as a world leader in neutron sciences, contributing to shap...
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Take a virtual 360° tour of the ILL
Enjoy 360° panoramas from more than 50 viewpoints in the reactor, neutron guide halls and support labs of the ILL. Click to start exploring 360° virtual tour ILL virtual tour Click here for the help pageSelect a viewpoint on the mapMove around the area by rotating the image with the cursorJump from ...
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Reactor overview
Under its dome, the ILL operates the world’s most intense continuous neutron source: the High-Flux Reactor (HFR, known officially as Installation Nucléaire de Base n° 67), a nuclear research reactor designed to provide very intense neutron beams. The reactor operates 24 hours a day in cycles of app...