Instruments by Facility
High Flux Isotope Reactor
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Detector development and testing
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Proteins and complexes, pharmaceuticals, biomaterials
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High-resolution inelastic scattering at cold neutron energies
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Small unit-cell nuclear & magnetic structural studies
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Small unit-cell nuclear & magnetic structural studies
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Strain, texture, and phase mapping in engineering materials
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Atomic resolution structures in biology, chemistry and complex materials
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Transmission imaging of natural and engineered materials
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Magnetic and crystal structure studies and phase analysis
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Polarized neutron studies of magnetic materials, low-energy excitations, structural transitions
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Medium- and high-resolution inelastic scattering at thermal energies
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Low-energy excitations, magnetism, structural transitions
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Diffuse-scattering studies of single crystals and time-resolved phase transitions
Spallation Neutron Source
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Atomic-level dynamics in materials science, chemistry, condensed matter sciences
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Dynamics of macromolecules, constrained molecular systems, polymers, biology, chemistry, materials science
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Condensed matter physics, materials science, chemistry, biology, environmental science
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Detailed studies of disorder in crystalline materials
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Polymers, soft materials and colloidal systems, materials science, life science, earth and environmental sciences
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Fundamental properties of neutrons
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Measures excitations in small single-crystals with optional polarization analysis
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Interfaces in complex fluids, polymers, chemistry
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Condensed matter, materials science and magnetism of interfaces
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Atomic level structures of proteins, macromolecules and DNA
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Liquids, solutions, glasses, polymers, nanocrystalline and partially ordered complex materials
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High-resolution dynamics of slow processes, polymers, biological macromolecules
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Atomic-level structures in chemistry, materials science, and condensed matter physics including magnetic structure
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Dynamics of complex fluids, quantum fluids, magnetism, condensed matter, materials science
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Materials science, geology, earth and environmental sciences
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Atomic-level structures in chemistry, biology, earth science, materials science, condensed matter physics
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Life sciences, polymers, materials science, earth and environmental sciences
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Energy selective imaging in materials science, engineering, materials processing, environmental sciences and biology
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Vibrational dynamics in molecular systems, chemistry
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Mechanical behaviors, materials science, materials processing
Second Target Station
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BWAVES (Broadband Wide-Angle VElocity Selector spectrometer), is a neutron spectrometer that can select the velocity (that is, the wavelength) of detected neutrons after they are scattered by a sample. It is the first inverted geometry spectrometer where the energy of detected neutrons can be chosen mechanically by a wide-angle velocity selector, irrespective of limitations imposed by crystal analyzers or filters.
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CENTAUR will be a small- and wide-angle neutron scattering (SANS/WANS) instrument with diffraction and spectroscopic capabilities to simultaneously probe time-resolved atomic- to meso-scale structures in hierarchical systems under in situ or in operando conditions. Simultaneous SANS/WANS and diffraction capabilities will be a unique capability among neutron scattering instruments in the United States.
Its direct geometry spectrometer mode will extend inelastic measurements to low scattering angles and provide a unique capability for inelastic SANS studies.
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CHESS will be a direct-geometry neutron spectrometer designed to detect and analyze weak signals intrinsic to small cross-sections, such as small mass, small magnetic moments or neutron absorbing materials. The instrument will be optimized to enable studies on quantum materials, spin liquids, thermoelectrics, battery materials, superconductors, and liquids.
CHESS will be the spectrometer of choice for initial exploration of new materials. Its broad dynamic range will also be well suited for measuring relaxation processes and excitations in soft and biological matter.
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CUPI2D (Complex, Unique and Powerful Imaging Instrument for Dynamics) is designed to combine direct and indirect imaging across a broad range of length and time scales. The instrument combines Bragg edge imaging and neutron grating interferometry. CUPI2D is designed for applications that involve length scales from angstroms to micrometers, and time scales from minutes to hours. Leveraging the high flux of cold neutrons from the high-brightness STS cylindrical moderator, CUPI2D permits in situ and in operando experiments.
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EXPANSE (EXPanded Angle Neutron Spin Echo) is designed to conduct high-energy resolution studies (neV to μeV) of dynamic processes across a broad range of materials. The wide-angle detector banks will provide a coverage of nearly two orders of magnitude in scattering wave numbers and approximately four orders of magnitude in Fourier times. The instrument will offer unique capabilities , such as direct measurements of slow dynamics in a time domain over simultaneous wide Q-ranges for time-resolved spectroscopic studies.
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PIONEER is a time-of-flight, single-crystal diffractometer optimized for studying small-volume samples (< 1mm3) in a range of sample environments, including high/low temperature, magnetic field, and pressure. The instrument will provide world-leading capabilities by reducing sample volume requirements for single-crystal neutron diffraction experiments by more than one order of magnitude, allowing detailed atomic-scale structural characterization of materials at the earliest stages of discovery when large crystals are typically unavailable.
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QIKR will be a general-purpose, horizontal-sample-surface reflectometer consisting of two independently operable end stations – one with the incident beam directed up and one directed down. It will collect specular and off-specular reflectivity data faster than any other such instrument. Using pulse skipping (7.5 Hz), it will often be possible to collect complete specular reflectivity curves using a single instrument setting to provide “cinematic” operation, in which the user “videos” the sample undergoing time-dependent modification.
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VERDI (VERsatile DIffractomter) is a wide bandwidth diffractometer with full polarization capability for powder and single crystal samples. The instrument will offer high-resolution at low momentum transfers and excellent signal-to-noise ratio for routine measurements of small magnetic moment compounds, milligram-size samples, diffuse magnetic signals, and large unit cell organic compounds.
