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.
Thomas Mitchell (Mitch) Wallis, Atif A. Imtiaz, Hans Nembach, Kristine A. Bertness, Norman Sanford, Paul T. Blanchard, Pavel Kabos
A technique is presented for the broadband electrical characterization of nanowires. The technique relies on established on-wafer calibration methods as well as...
James R. Baker-Jarvis, Michael D. Janezic, Billy F. Riddle
The concepts of effective permittivity and permeability are used throughout the literature to describe both highly heterogeneous materials, inhomogeneous...
Catherine A. Remley, Nuno Carvalho, Pedro Cruz, Kevin Gard
This paper presents a new type of analog-digital mixed-domain instrument that is specially tailored for software defined radio characterization. The instrument...
Andreas Jahn, Joseph E. Reiner, Wyatt N. Vreeland, Don DeVoe, Laurie E. Locascio, Michael Gaitan
A new method to tailor the size and size distribution of nanometer scale liposomes and control loading of liposomes with a model drug in a continuous-flow...
Deployment of Smart Cards for Identity Verification requires collection of credentials and provisioning of credentials from and to heterogeneous and sometimes...
Factors that contribute to the resonance temperature dependence of low-expansion optical cavities are discussed, including deformation at the cavity ends due to...
Gregory W. Vogl, Jason J. Gorman, Gordon A. Shaw, Jon R. Pratt
A new self-excited micro-oscillator is proposed as a velocity standard for dissemination of nanoNewton-level forces that are traceable to the International...
Molecular force spectroscopy is the practice of testing the mechanical properties of single molecules. The precision determination of these properties requires...
This paper discusses implications of possible metastability of TCP-type fair bandwidth sharing under random flow arrivals/departures for understanding and...
Catherine A. Remley, Galen H. Koepke, Christopher L. Holloway, Chriss A. Grosvenor, Dennis G. Camell
We present measurement data to support technology and standards development for broadband, digitally modulated radio communications used by emergency responders...
We present a microfabricated atomic force microscope (AFM) cantilever and associated calibration procedure that provide a path for quantitative friction...
David W. Berning, Tam H. Duong, Jose M. Ortiz, Angel Rivera, Allen R. Hefner Jr.
A high-current, high-voltage-isolated gate drive circuit developed for characterization of high-voltage, high-frequency 10 kV, 100 A SiC MOSFET/JBS half-bridge...
Magneto-resistive imaging of cassette tapes for forensic analysis applications is presented. Sample tapes were recorded on various tape recorders with events...
A new set of values of the basic fundamental constants has been recommended by the Committee on Data for Science and Technology (CODATA) (http://physics.nist...
Dean G. Jarrett, Angelica M. Muniz-Mercado, Marlin E. Kraft
The automation of ultra-high resistance measurements at the National Institute of Standards and Technology (NIST) in the range 1 TOhm to 100 TOhm has been...
Precision standard resistors manufactured within the last two decades using improved construction techniques and materials, such as the resistance alloy Evanohm...
A two-way Josephson voltage standard (JVS) direct comparison between the National Institute of Standards and Technology (NIST) and the National Research Council...
In this paper we present the uncertainty evaluation of a new cryogenic current comparator (CCC) bridge designed to compare two-terminal 1M Ω} and 10M Ω}...
Randolph Elmquist, George R. Jones Jr., Brian J. Pritchard, Marcos E. Bierzychudek, Felipe L. Hernandez
We describe a cryogenic current comparator (CCC) bridge for resistance scaling that provides improved measurement uncertainty over a range of resistance values...
Dean G. Jarrett, Randolph Elmquist, Nien F. Zhang, Alejandra Tonina, Janice Fernandes, Daniel Izquierdo, Dave Inglis, Felipe Hernandez-Marquez
A regional comparison of DC resistance standards at the nominal values of 1 Ohm, 1 MOhm, and 1 GOhm has recently been completed in the System Interamericano de...
Brian A. Weiss, Craig I. Schlenoff, Gregory A. Sanders, Michelle P. Steves, Sherri Condon, Jon Phillips, Dan Parvaz
One of the most challenging tasks for uniformed service personnel serving in foreign countries is effective verbal communication with the local population. To...
Peter O. Denno, Thomas Thurman, John Mettenburg, Dwayne Hardy
This paper considers the requirements of a model-based systems engineering (MBSE) discipline, and the benefits that would be realized from it. A premise of MBSE...
Evaluation of Machine Translation (MT) technology is often tied to the requirement for tedious manual judgments of translation quality. While automated MT...
Patrick Hoffmann, Shaw C. Feng, Gaurav Ameta, Parisa Ghodous, Lihong Qiao
Multiple perspectives need to be included in a product development process. Engineers from different departments usually have different views on a product...
Defects in nanoscale gate dielectric of MOS devices can exchange charges with the substrate via quantum mechanical tunneling. This characteristic has been...
Katherine C. Morris, Puja Goyal, Simon P. Frechette
In enterprise integration, a data exchange specification is an architectural artifact that evolves along with the business. Developing and maintaining a...
The effective use of modeling, simulation, and analysis (MSA) applications could greatly enhance our nation s ability to achieve homeland security goals. The...