NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Elijah J. Petersen, Marina Dobrovolskaia, Theodore B. Henry, Jian Zhao, Robert I. MacCuspie, Teresa L. Kirschling, Baoshan Xing, Vincent A. Hackley, Jason White
Engineered nanomaterials (ENMs) have a significant commercial potential for ENM-enable products as a result of novel or enhanced properties. However, the unique
The effects of weak magnetic fields on the biological production of reactive oxygen species (ROS) from intracellular superoxide (O2−) and extracellular
Xianyu Li, Hadi ShamsiJazeyi, Stacy L. Pesek, Aditya Agrawal, Boualem Hammouda, Rafael Verduzco
The effects of inter-micellar interactions on the dissociation of block copolymer micelles of polystyrene-b-polyisoprene in a selective solvent, decane, were
Charles F. Majkrzak, Christopher Metting, Brian B. Maranville, Joseph A. Dura, Sushil K. Satija, Terrence J. Udovic, Norman F. Berk
The primary purpose of this investigation is to determine the effective coherent extent of the neutron wave packet transverse to its mean propagation vector k
Svenja A. Knappe, M.A. Zentile, Rebecca Andrews, L. Weller, C.S. Adams, I.G. Hughes
We investigate experimentally and theoretically the Faraday effect in an atomic medium in the hyperfine Paschen-Back regime, where the Zeeman interaction is
We use a flux-biased radio frequency superconducting quantum interference device (rf SQUID) with an embedded flux-biased direct current SQUID to generate strong
In 1998, NIST published a review of commercial and institutional building airtightness data that found significant levels of air leakage and debunked the myth
As strategies for improving building envelope and HVAC equipment efficiencies are increasingly required to reduce building energy use, a greater percentage of
Michael S. Allman, Jed D. Whittaker, Manuel C. Castellanos Beltran, Katarina Cicak, Fabio C. Da Silva, Michael DeFeo, Florent Q. Lecocq, Adam J. Sirois, John D. Teufel, Jose A. Aumentado, Raymond W. Simmonds
We use a flux-biased radio frequency superconducting quantum interference device (rf SQUID) with an embedded flux-biased direct current SQUID to generate strong
A Koller, M Beverland, Alexey Gorshkov, Ana Maria Rey
Ramsey spectroscopy has become a powerful technique for probing non-equilibrium dynamics of internal (pseudospin) degrees of freedom of interacting systems. In
Denis E. Bergeron, Jeffrey T. Cessna, Daniel B. Golas, Rheannan K. Young, Brian E. Zimmerman
Calibration factors for commercial ionization chambers (i.e. dose calibrators) were determined for a solution of 123I; the activity was based on the 1976 NBS
Ian B. Spielman, Subhadeep De, Daniel Campbell, Ryan Price, Andika Putra, Brandon Anderson
We explore the time evolution of quasi-1D two component Bose-Einstein condensates (BEC's) following a quench from a spin polarized gas with a ${\rm U}(1)$ order
Katherine P. Rice, Robert R. Keller, Mark Stoykovich
We report the effects of varying specimen thickness onthe generation of transmission Kikuchi patterns in the scanning electron microscope. Diffraction patterns
We study the effect of electron and phonon interface scattering on the thermoelectric properties of disordered, polycrystalline materials (with grain sizes
Justin M. Gorham, Anne B. Rohlfing, Katrice A. Lippa, Robert I. MacCuspie, Amy Hemmati, Richard D. Holbrook
A critical but often overlooked component of silver nanoparticle (AgNPs) suspensions involves their behavior following short- and long-term storage. The current
Wyatt N. Vreeland, Renee R. Hood, Eric Kendall, Don L. DeVoe, Julia Finkel, Mariana Junqueira, Zenaide Quezado
Microfluidic synthesis of small and nearly-monodisperse liposomes is used to investigate the size-dependent passive transdermal transport of nanoscale lipid
The OSL dosimetry technique with teeth has been validated against the EPR dosimetry technique through a measurement comparison performed on the same teeth. The
William H. Rippard, Stephen E. Russek, Matthew R. Pufall
Excited magnetization dynamics in a spin-valve device consisting of an in-plane polarizer and an out-of-plane free layer were studied numerically. In the case
James A. Beall, Dan Becker, Justus Brevik, Hsiao-Mei Cho, Gene C. Hilton, Kent D. Irwin, Dale Li, David P. Pappas, Jeffrey L. Van Lanen, Johannes Hubmayr
We are developing arrays of kinetic inductance detectors for sub-millimeter polarimetry that will be deployed on the BLAST balloon-borne instrument. The array
The nonparametric two-sample bootstrap is employed to compute uncertainties of measures in receiver operating characteristic (ROC) analysis on large datasets in
Li-Hong Xu, Ronald M. Lees, Jon T. Hougen, Joel M. Bowman, Xinchuan Huang, Stuart Carter
Comparison of graphical displays of normal-mode coefficients from recent quantum chemical projected-frequency calculations with analogous displays constructed
Jessica L. Burger, Hideki Yamamoto, Takamasa Suzuki, Arno D. Laesecke
High concentration DNA solutions are common both in vitro and in vivo, and understanding the rheological properties is a critical area of bioscience. Our
Winnie K. Wong-Ng, William Laws, Kevin R. Talley, Qingzhen Huang, Jun Yan, Joshua B. Martin, James A. Kaduk
The phase diagram of the CaO-¿Nd2O3-CoOz system at 885 °C in air has been determined. The system consists of two calcium cobaltate compounds that have promising
Deepak K. Sharma, Matin Amani, Abhishek Motayed, Pankaj B. Shah, A. Glen Birdwell , Sina Najmaei, Pulickel M. Ajayan, Jun Lou, Madan Dubey, Qiliang Li, Albert Davydov
We have studied temperature-dependent (300K to 77K) electrical characteristics and low-frequency noise (LFN) in chemical vapor deposited (CVD) single layer
NIST evaluated the instantaneous and totalized flow measured by two commercial coriolis meters under transient flow, pressure, and temperature conditions using
Wei Li, Christina A. Hacker, Guangjun Cheng, Angela R. Hight Walker, Curt A. Richter, David J. Gundlach, Yiran Liang, boyuan Tian, Xuelei Liang, Lianmao Peng
Resist residue from the device fabrication process is a significant source of contamination at the metal/graphene contact interface. Ultraviolet Ozone (UVO)
The investigation of the 2007 collapse of the I-35 W Bridge in Minnesota, United States, used very detailed nonlinear finite-element (FE) analysis, which is too
The study of compressed hydrogen releases from high-pressure storage systems has practical application for hydrogen and fuel cell technologies. Such releases