Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Beamtime Requests vs. Proposals

A beamtime REQUEST is usually made by a NIST staff member, or a collaborator, or a PRT* member, to ask for days from the allocation of instrument time reserved for in-house and PRT programmatic research.

Normally, a user should submit a PROPOSAL rather than a REQUEST.

Some instruments are available only through REQUESTS. These include the BT4 filter-analyzer spectrometer, the BT4 triple-axis spectrometer, the SPINS triple-axis spectrometer, the NG7 horizontal-sample reflectometer, and the BT8 residual-stress diffractometer. Non-NIST and non-PRT scientists interested in using these instruments should contact a NIST staff member to see if collaborative research can be arranged.


*A PRT (Participating Research Team) is a consortium of institutions which has built and continues to operate some particular instrument at the NCNR. 

Created May 12, 2017, Updated November 15, 2019