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.
Alain Rufenacht, Logan A. Howe, Anna Fox, Robert E. Schwall, Paul Dresselhaus, Charles J. Burroughs, Samuel Benz
Implementation of programmable Josephson voltage standard (PJVS) circuits on cryocooler at 4 K is a challenge. The limited cooling power of the cryocoolers has
Meiyao M. Wang, Martin Misakian, Hua-Jun He, Peter Bajcsy, Jeffrey M. Davis, Kenneth D. Cole, Illarion Turko, Lili Wang, Fatima Abbasi
For quantitative flow cytometry, a biological cell reference material with a known biomarker expression level is needed to transform a linear arbitrary
Wang Liangzhu, Steven Emmerich, Andrew K. Persily, Cheng-Chun Lin
Gasoline-powered electric generators are widely used during power outages, for example during the U.S. hurricane season. Based on currently available data
A common numerical task is to compute the effective elastic properties of a random composite material based on its microstructure by operating on a 3D digital
Joffrey K. Peters, Sergey V. Polyakov, Jingyun Fan, Alan L. Migdall
Alternative theories to quantum mechanics motivate important fundamental tests of our understanding and description of the smallest physical systems. Here we
John T. Melcher, Julian Stirling, Felipe Guzman, Jon R. Pratt, Gordon A. Shaw
We report the development of an ultrasensitive optomechanical sensor designed to improve the accuracy and precision of force measurements with atomic force
Michael R. Moldover, James W. Schmidt, Keith A. Gillis, James B. Mehl, John D. Wright
Using microwave techniques that are scalable to very large volumes, we measured the interior volume of a 0.3 m 3, commercially-manufactured, pressure vessel
Lawrence T. Hudson, John F. Seely, Jack L. Glover, Albert Henins, Nino R. Pereira
Ultra-thin curved transmission crystals operating in the Cauchois spectrometer geometry were evaluated for the purpose of achieving high spectral resolution in
Peter Ciesielski, Michael F. Crowley, M R. Nimlos, Aric Sanders, Gavin Wiggins, Bryon Donohoe
Biomass exhibits a complex microstructure of directional pores that can vary substantially between species of origin. However, models of biomass particles
Andrew Herzing, Theodore Norris, Xiuli Zhou, Nestor Zaluzec
The surface plasmon (SP) response to an external electromagnetic field plays a dominant role in determining the optical properties of metallic nanostructures
Iosif I. Shinder, Michael R. Moldover, Christopher J. Crowley, Bernard J. Filla
We discuss five significant improvements to the Air Speed Calibration Service conducted by the National Institute of Standards and Technology (NIST): 1. Reduced
Justin M. Shaw, Patrik Grychtol, Dmitriy Zusin, Ronny J. Knut, Tenio Popmintchev, Hans T. Nembach, Avner Fleischer, Henry Kapteyn, Margaret Murnane, Ofer Kfir, Oren Cohen
Circularly-polarized extreme UV and X-ray radiation provides valuable access to the structural, electronic and magnetic properties of materials. To date, this
Hui H. Yuan, Kai Zhang, Haitao Li, Hao Zhu, John E. Bonevich, Helmut Baumgart, Curt A. Richter, Qiliang Li
Metal-Oxide-Semiconductor capacitors with Bi2Te3 thin film sandwiched and embedded inside the oxide layer have been fabricated and studied. The capacitors
Allan D. Carlson, V G. Pronyaev, R. Capote, G M. Hale, F. J. Hambsch, T Kawano, S. Kunieda, R O. Nelson, D. Neudecker, P Schillebeeckx, S Simakov, D L. Smith, X Talou, A Wallner, W Wang
A new version of the ENDF/B library has been planned. The first step in producing this new library is evaluating the neutron standards. An evaluation is now
This paper provides an overview of the use of noise parameters as a numerical model to represent the noise characteristics of transistors, particularly in the
Anna E. Fox, Paul D. Dresselhaus, Alain Rufenacht, Aric W. Sanders, Samuel P. Benz
Analysis of the Josephson junction yield in the National Institute of Standards and Technology 10 V Programmable Josephson Voltage Standard (PJVS) has been
We define and calculate sensistivity for several actual and simulated probes. Probe sensitivity can have a significant impact on measurement uncertainty in near
We define and calculate sensitivity for several actual and simulated probes. Probe sensitivity can have a significant impact on the measurement uncertainty
Winnie K. Wong-Ng, Yonggao Yan, Makoto Otani, Joshua B. Martin, Kevin R. Talley, Sara C. Barron, David L. Carroll, C Hewitt, Howard Joress, Evans L. Thomas, Martin L. Green, Xinfeng Tang
A suite of complementary high-throughput screening systems for combinatorial films was developed at NIST to facilitate the search for efficient thermoelectric
Michael C. Varney, Qiaoxuan Zhang, Mykola Tasinkevych, Nuno M. Silvestre, Kristine A. Bertness, Ivan I. Smalyukh
Although nematic and cholesteric liquid crystals are three-dimensional fluids, they also possess long- range orientational ordering of their constituent
Matthias Rosslein, John T. Elliott, Marc L. Salit, Elijah Petersen, Cordula Hirsch, Harald Krug, Peter Wick
An important consideration in developing standards and regulations that govern the production and use of commercial nanoscale materials is the development of
Rana NMN Ashkar, Mansour Abdul Baki, Madhu Sudan Tyagi, Antonio Faraone, Paul Butler, Ramanan Krishnamoorti
The inclusion of single-wall carbon nanotubes (SWNT) in a polymer, with interchain distances comparable to the SWNT diameter, can significantly perturb the
Joel Helton, Daniel M Pajerowski, Yiming Qiu, Yang Zhao, Dmitry A. Shulyatev, Yakov M. Mukovskii, Georgii L. Bychkov, Sergei N. Barilo, Jeffrey W. Lynn
Neutron spectroscopy measurements reveal short-range spin correlations near and above the ferromagnetic-paramagnetic phase transition in manganite materials of
C. H. Wang, L. Poudel, A. E. Taylor, J .M. Lawrence, A. D. Christianson, Sung Chang, Jose Rodriguez Rivera, Jeffrey W. Lynn, A. A. Podlesnyak, G. Ehlers, R. E. Baumbach, E. D. Bauer, K. Gofryk, F. Ronning, K. J. McClellan, J. D. Thompson
Inelastic neutron scattering experiments were performed on a single crystal of the heavy Fermion compound Ce(Ni 0.935Pd 0.065) 2Ge 2 in order to study the spin
The location, number, and migrating behavior of the sextets in the cata-condensed benzenoid polycyclic aromatic hydrocarbons with available bay regions have
The coupling of ultrasonic nebulization and extractive electrospray ionization (EESI) for the mass spectrometric (MS) detection and analysis of inorganic
We demonstrate all-optical multilogic gate operations and transistor functionalities using a Kerr phase gate method in a room-temperature 85Rb vapor. Two