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Radiation Physics Programs & Projects

(showing 1 - 15 of 97)
New Standardization of Ra-228
Last Updated Date: 08/26/2015

Measurements of radium isotopes in the naturally-occurring radioactive decay chains (i.e., 235 U, 238 U, and 232 Th) are exceedingly important for … more

Neutron Device Calibrations
Last Updated Date: 08/25/2015

NIST provides the national reference for the calibration of neutron radiation detectors and for neutron personnel dosimeters.  more

Lyman-Alpha Neutron Detector (LAND)
Last Updated Date: 08/25/2015

The well-known interaction of low-energy neutrons and 3 He produces a proton and a triton with 764 keV of kinetic energy shared between the two … more

Evolution of Image Spatial Resolution
Last Updated Date: 08/25/2015

Measuring the through-plane water content in a hydrogen fuel cell is critical to understanding this complicated heat and mass transport … more

Quantum Dot coated CMOS CID arrays for the UV and VUV
Last Updated Date: 08/25/2015

A technique has been developed for coating commercial off the shelf (COTS) detector arrays with a thin, uniform layer of quantum dots. The quantum … more

Advanced Neutron Imaging Facility
Last Updated Date: 08/25/2015

The NIST Neutron Imaging Facility (NNIF) at the NIST Center for Neutron Research .

Neutron Imaging of Lithium and Alkaline Batteries
Last Updated Date: 08/25/2015

A common topic in energy systems is the need for in situ measurement of the mass transport of light ion species such as hydrogen or lithium.   … more

Neutron Tomography of Hydrogen Storage Bed
Last Updated Date: 08/25/2015

Future hydrogen fuel cell vehicles will require hydrogen storage vessels that efficiently store and quickly release the hydrogen fuel. The … more

Characterization of Porous Transport Media for Hydrogen Fuel Cells
Last Updated Date: 08/25/2015

Efficiently managing water transport in proton exchange membrane fuel cells (PEMFCs) is critical to the performance, cost, and durability in order … more

Neutron Imaging for Advanced Catalyst Development and Durability Studies
Last Updated Date: 08/25/2015

Neutron imaging continues to play a key role in elucidating the role of water in proton exchange membrane fuel cells (PEMFCs) as highlighted by … more

Towards a Neutron Microscope
Last Updated Date: 08/25/2015

A novel neutron lens based on reflection has recently been developed that could greatly benefit neutron imaging and other neutron scattering … more

Radioactivity Standard Reference Material Program
Last Updated Date: 08/24/2015

The Standard Reference Materials Program of the National Institute of Standards and Technology (NIST) provides science, industry, and government … more

ICE 62755 Standard N42 Data Format
Last Updated Date: 08/24/2015

The purpose of the IEC 62755 standard N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement … more

Photovoltaic Carrier Dynamics Measured by Time-Resolved Terahertz Spectroscopy
Last Updated Date: 08/24/2015

Far-infrared (or THz, 25 to 300 micron wavelength) femtosecond laser methods are employed to measure photovoltaic (PV) materials spectra and … more

Active Interrogation Standards
Last Updated Date: 08/18/2015

Active interrogation involves directing nuclear radiation into a closed container and measuring secondary radiations to gain information about the … more

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