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.

U.S. flag

An official website of the United States government

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.

Search Publications

NIST Authors in Bold

Displaying 251 - 275 of 2915

Fundamental Equation of State for Deuterium

February 27, 2014
Author(s)
Ian A. Richardson, Jacob W. Leachman, Eric Lemmon
… energy machines such as ITER and NIF. We present a new fundamental equation of state for the thermodynamic … orthodeuterium, paradeuterium, thermodynamic properties … Fundamental Equation of State for Deuterium …

Fabrication and characterization of low-loss Al/Si/Al parallel plate capacitors for superconducting quantum information applications

January 22, 2025
Author(s)
Raymond Simmonds, Sudhir Sahu, Trevyn Larson, Florent Lecocq, Tongyu Zhao, Anthony McFadden
… The application of parallel plate capacitors composed of aluminum-contacted, crystalline … state-of-the-art performance for superconducting parallel plate capacitors with low power Qi of lumped element … and characterization of low-loss Al/Si/Al parallel plate capacitors for superconducting quantum information …

Topographic Measurement of Individual Laser Tracks in Alloy 625 Bare Plates

October 10, 2019
Author(s)
Richard E. Ricker, Jarred C. Heigel, Brandon M. Lane, Ivan Zhirnov, Lyle E. Levine
… behavior for model evaluations, samples of a single-phase nickel-based alloy were polished smooth and exposed to a … Measurement of Individual Laser Tracks in Alloy 625 Bare Plates …

Laboratory Experiments for Fundamental Physics in Space

October 16, 2008
Author(s)
William D. Phillips
… is to highlight a number of opportunities for addressing fundamental physics questions through such experiments. I do … clocks, femtocombs … Laboratory Experiments for Fundamental Physics in Space …

Prediction of Solidification Phases in Cr-Ni Stainless Steel Alloys Manufactured by Laser Based Powder Bed Fusion Process

March 1, 2018
Author(s)
Gregor Jacob
… The knowledge of material phases in chromium (Cr), nickel (Ni) stainless steel alloys is sometimes important … with the calculation of the ration between the chromium and nickel equivalent and inscribe these values into the phase … of austenitic. Inscribing these values of the chromium and nickel equivalent into the Schaeffler and DeLong diagram …

Radioactive Particle Analysis by Digital Autoradiography

May 1, 2001
Author(s)
Cynthia J. Zeissler, Richard M. Lindstrom, J P. McKinley
We have been exploring ways to evaluate the activity of radioactive particles that have been detected by phosphor plate digital autoradiography based on photostimulated luminescence (PSL). A PSL system with 25υ pixel digitization has been applied to

Speed-of-Sound Measurements and a Fundamental Equation of State for Propylene Glycol

June 9, 2021
Author(s)
Eisenbach Tim, Christian Scholz, Roland Span, Diego Cristancho, Monika Thol, Eric W. Lemmon
… A fundamental equation of state was developed for propylene … independent variables temperature and density. Due to its fundamental nature, it can be used to calculate all … glycol, speed of sound … Speed-of-Sound Measurements and a Fundamental Equation of State for Propylene Glycol …

Status of NIST Thermal Insulation Reference Materials

September 1, 2008
Author(s)
Robert R. Zarr
The current status of thermal insulation reference materials at the National Institute of Standards and Technology (NIST) is presented. This paper describes an ongoing thermal insulation measurement program that provides the public with Calibrated Transfer

Synthesis and Characterization of Bulk Nd 1-x Sr x NiO 2 and Nd 1-x Sr x NiO 3

August 21, 2020
Author(s)
Bi-Xia Wang, Hong Zheng, E. Krivyakina, Omar Chmaissem, Pietro Papa Lopes, Jeffrey W. Lynn, Leighanne C. Gallington, Y. Ren, S. Rosenkranz, J. F. Mitchell, D. Phelan
The recent reports of superconductivity in Nd 1-xSr xNiO 2/SrTiO 3 heterostructures have reinvigorated interest in potential superconductivity of low-valence nickelates. Synthesis of Ni 1+ -containing compounds is notoriously difficult. In the current work

Advanced Tests of Fundamental Physics with State-of-the-Art Optical Clocks/Two-Way Time Links in Space

December 23, 2021
Author(s)
Chris Oates, Nathan R. Newbury, Laura Sinclair, Leo Hollberg, Andrei Derevianko, Marianna Safronova, Nan Yu, Kurt Gibble
… new possibilities in precision metrology for both tests of fundamental physics and timing applications. Space offers … As a result, space borne optical clock tests of fundamental physics could achieve sensitivities four (or … beyond those of current tests of relativity. Additional fundamental test opportunities include enhanced searches for …

CURVED-WIDE PLATE TESTING OF X100 GIRTH WELDS

September 29, 2014
Author(s)
Timothy S. Weeks, Joseph D. McColskey, Mark D. Richards, Yong-Yi Wang, Marie A. Quintana
… The curved-wide plate (CWP) tests are frequently used for assessing the … of the 10th International Pipeline Conference … CURVED-WIDE PLATE TESTING OF X100 GIRTH WELDS …

Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance

February 16, 2007
Author(s)
Tara M. Fortier, Jason Stalnaker, Scott A. Diddams, Neil Ashby, Luca Lorini, Windell Oskay, Marie Delaney, James C. Bergquist, Steven R. Jefferts, Thomas E. Parker, Thomas P. Heavner, Filippo Levi, Jon H. Shirley, Wayne M. Itano, Kyoungsik Kim, Leo W. Hollberg
We report tests of local position invariance (LPI) and the constancy of fundamental constants from measurements of the frequency ratio of the 282-nm $^{199}$Hg$^+$ optical clock transition to the ground state hyperfine splitting in $^{133}$Cs. Analysis of

Assessing the Measurement Uncertainty of Thermophysical Properties

September 2, 2009
Author(s)
Robert R. Zarr
A generalized approach for the expression of measurement uncertainty consistent with current international practice is presented. The approach is applicable to all kinds of quantitative measurements including measurements of thermophysical properties. A

Cybersecurity Fundamentals for Small Business Owners

November 19, 2009
Author(s)
Shirley M. Radack
… (NISTIR) 7621, Small Business Information Security: The Fundamentals, by Richard Kissel. The publication presents … small enterprises, spyware, viruses … Cybersecurity Fundamentals for Small Business Owners …
Displaying 251 - 275 of 2915
Was this page helpful?