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.
An Zou, Ashish Chanana, Amit Agrawal, Peter C. Wayner, Jr., Shalabh C. Maroo
Boiling, a dynamic and multiscale process, has been studied for over five decades; however, a comprehensive understanding of the process is still lacking. The...
J. Gaudet, K. A. Ross, E. Kermarrec, Nicholas Butch, G. Ehlers, H. A. Dabkowska, B. D. Gaulin
The ground state of the quantum spin ice candidate magnet Yb 2Ti 2O 7 is known to be sensitive to weak disorder at the 1% level which occurs in single crystals...
Leonid A. Bendersky, Kwo-hsiung Young, Simon K. Ng
The goal of the RANGE-BASF Program is to provide an alternative solution for the energy storage media that powers electric vehicles other than the existing Li...
Wenhua Wang, Sreedevi Sampath, Yu Lei, Raghu N. Kacker, D. Richard Kuhn, James F. Lawrence
Modelling a software system is often a challenging prerequisite to automatic test case generation. Modelling the navigation structure of a dynamic web...
Avinash Kumar, Neil Anderson, William D. Phillips, Stephen P. Eckel, Gretchen K. Campbell, Sandro Stringari
The Doppler effect, the shift in the frequency of sound due to motion, is present in both classical gases and quantum superfluids. Here, we perform an in-situ...
Various topics taken from the author's research portfolio that involve multicomponent alloy solidification will be reviewed. Topics include: ternary eutectic...
Dylan F. Williams, Paul D. Hale, Catherine A. Remley, Gustavo Avolio, Dominique Schreurs, Diogo C. Ribeiro, Pawel Barmuta, Gian Piero Gibiino, Mohammad Rajabi, Arkadiusz Lewandowski, Jaros?aw Szatkowski, Kuangda Wang
This paper describes tests of the calibration-comparison method as an approach to assessing the measurement accuracy of large-signal network analyzer...
NIST is developing a framework to define programs and strategies to increase community-based resilience in the face of a broad range of natural disasters and...
Firebrand production from real-scale building components under well-controlled laboratory conditions was investigated. Re-entrant corner assemblies were ignited...
Yao Shen, Qisi Wang, Yiqing Hao, Yu Feng, Qingzhen Huang, Leland Harriger, Juscelino Leao, Yang Zhao, Robin Michael Daub Chisnell, Jeffrey W. Lynn, Huibo Cao, Jiangping Hu, Jun Zhao
Benjamin Tutolo, David F. Mildner, Cedric V. Gagnon, Martin O. Saar, Jr. Seyfried
Field samples of olivine-rich rocks are nearly always serpentinized¿often to completion¿but, paradoxically, their intrinsic porosity and permeability are...
Elena A. Medina, Jun Li, Judith K. Stalick, M. A. Subramanian
The solid solutions of chlorapatite compounds Ba 5Mn 3-xV xO 12Cl (x=0-3.0) and Ba 5Mn 3-xP xO 12Cl (x=0-3.0) have been synthesized through solid state...
Daniel Siderius, Vincent K. Shen, Raymond D. Mountain, Richard B. Ross, David B. Aeschliman, Riaz Ahmad, John K. Brennan, Myles L. Brostrom, Kevin A. Frankel, Jonathan D. Moore, Joshua D. Moore, Derrick M. Poirier, Matthias Thommes, Nathan E. Schultz, Kenneth D. Smith
The primary goal of the eighth industrial fluid properties simulation challenge was to test the ability of molecular simulation methods to predict the...
Daniel Siderius, Vincent K. Shen, Raymond D. Mountain, Nathan E. Schultz, Riaz Ahmad, John K. Brennan, Kevin A. Frankel, Jonathan D. Moore, Richard B. Ross, Matthias Thommes, Kenneth D. Smith
The goal of the eighth industrial fluid properties simulation challenge was to test the ability of molecular simulation methods to predict the adsorption of...
We explore the coupling between configurational shape of flexible highly-charged polyelectrolytes of variable topology (linear chain, star, unknotted and trefoil...
Andrei A. Kolmakov, Luca Gregoratti, Maya Kiskinova, Sebastian Gunther
Ambient pressure photoelectron spectroscopy (APPES) and microscopy are at the frontier of modern chemical analysis at liquid-gas, solid-liquid and solid-gas...
Nanomaterials are currently of interest for water treatment and remediation applications because they can exhibit high adsorption capacities and high reactivity...
Brian J. Kirby, H. F. Belliveau, D. D. Belyea, Paul A. Kienzle, Alexander J. Grutter, P. Riego, A. Berger, Casey W. Miller
A combination of experiments and numerical modeling was used to study the spacial evolution of the ferromagnetic phase transition in a thin film engineered to...
Winnie K. Wong-Ng, James A. Kaduk, Lawrence P. Cook, B Chakraborty, Greg Brewer
X-ray data of a powder sample of alpha-chlorohemin (a member of the porphyrin family), C34H32ClFeN4O4, was collected using synchrotron radiation at the Advanced...
Andrew M. Klose, Gabriel Ycas, Flavio Caldas da Cruz, Daniel I. Maser, Scott Diddams
Rapid spectroscopic temperature measurements of a sealed carbon dioxide sample cell were realized with an optical frequency comb combined with a two-dimensional...
Scott A. Diddams, K Vahala, J Li, Gabriel G. Ycas, P Plavchan, S Leifer, J Sandhu, G Vasisht, P Chen, P Gao, J Gagne, M Bottom, E.C. Martin, M.P. Fitzgerald, G Doppmann, C Beichman, X Yi
We describe a successful effort to produce a laser comb around 1.55 micron in the astronomical H band (1.5-1.8 micron) using a method based on a line-referenced...
Ting Xu, Erich C. Walter, Amit Agrawal, Christopher C. Bohn, Jeyavel Velmurugan, Wenqi Zhu, Henri Lezec, Albert A. Talin
With vibrant colours and simple, room-temperature processing methods, electrochromic polymers have attracted attention as active materials for flexible, low...
Florent Q. Lecocq, Jeremy B. Clark, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel
We report the observation of efficient and low-noise frequency conversion between two microwave modes, mediated by the motion of a mechanical resonator...
Mobile sensor networking technology has attracted considerable attention in various research communities in recent years due to their widespread applications in...
Zhiyong Guo, Dillip K. Panda, Krishnendu Maity, David Lindsey, T. Gannon Parker, Thomas E. Albrecht-Schmitt, Jorge L. Barreda-Esparza, Peng Xiong, Wei Zhou, Sourav Saha
The access to electroactive metal-organic frameworks (MOFs) and the ability to manipulate their electrical conductivity with external stimuli are vital for the...
Christian D. Ahrberg, Robert Ilic, Andreas Manz, Pavel Neu?il
Here we report one of the smallest real-time PCR system up to date with approximate size of 100 mm × 60 mm × 33 mm. The system is an autonomous unit requiring...
In response to the CIPM MRA, and to improve radioactivity measurements in the face of advancing technologies, the CIPMs consultative committee on ionizing...
Sidewall sensing in CD-AFMs usually involves continuous lateral dithering of the tip or the use of a control algorithm and fast response piezo actuator to...