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Journals

Advancing the materials science of concrete with supercomputers

January 24, 2011

Author(s)

Jeffrey W. Bullard, Edward Garboczi, William L. George, Nicos Martys, Steven G. Satterfield, Judith E. Terrill

Supercomputers are renowned for being used on grand challenge problems like global weather patterns, nuclear device virtual testing, galaxy formation

Making optical atomic clocks more stable with 10^-16 level laser stabilization

January 23, 2011

Author(s)

Andrew D. Ludlow, Yanyi Jiang, Nathan D. Lemke, Richard W. Fox, Jeffrey A. Sherman, Long-Sheng Ma, Christopher W. Oates

The superb precision of an atomic clock is derived from its stability. Atomic clocks based on optical (rather than microwave) frequencies are attractive because

Characterization and Purification of Commercial SPS and MPS by Ion Chromatography and Mass Spectrometry

January 21, 2011

Author(s)

Ryan G. Brennan, Melissa M. Phillips, Liang Yueh Ou Yang, Thomas P. Moffat

SPS (bis-(3-sulfopropyl) disulfide) is an essential electrolyte additive used in the fabrication of copper interconnects by electrodeposition. The process is

Optomechanical Transduction of an Integrated Silicon Cantilever Probe Using a Microdisk Resonator

January 20, 2011

Author(s)

Kartik A. Srinivasan, Houxun H. Miao, Matthew T. Rakher, Marcelo I. Davanco, Vladimir A. Aksyuk

Tranmission Electron Microscopy with a Liquid Flow Cell

January 20, 2011

Author(s)

Kate L. Klein, Ian M. Anderson, N. de Jonge

The imaging of microscopic structures at nanometer-scale spatial resolution in a liquid environment is of interest for a wide range of studies. Transmission

Empirical Evidence for Increased False Reject Rate with Time Lapse in ICE 2006

January 20, 2011

Author(s)

P J. Phillips, Kevin W. Bowyer, Patrick J. Flynn, Sarah E. Baker

We present results of the first systematic study to investigate the degree to which template aging occurs for iris biometrics. Our experiments use an image data

Bilateral NIST-PTB Comparison of Spectral Responsivity in the VUV

January 20, 2011

Author(s)

Uwe Arp, Ping-Shine Shaw, Zhigang Li, Alexander Gottwald, Mathias Richter

To compare the calibration capabilities for the spectral responsivity in the vacuum-ultraviolet spectral region between 135 nm and 250 nm, PTB and NIST agreed

Transverse susceptibility as a probe of the magnetocrystalline anisotropy driven phase transition in Pr_{0.5}Sr_{0.5}CoO_{3}

January 19, 2011

Author(s)

Natalie F. Huls, N S. Bingham, M. H. Phan, H. Srikanth, D. D. Stauffer, C. Leighton

Half-doped Pr_{1-x}Sr_{x}CoO_{3} (x=0.5) displays anomalous magnetism most notably manifest in the field-cooled magnetization versus temperature curves under

Simultaneous Positioning and Orientation of a Single Nano-object by Flow Control: theory and simulations

January 19, 2011

Author(s)

Pramod P. Mathai, Andrew J. Berglund, James A. Liddle, Benjamin Shapiro

In this paper we describe a method to simultaneously control both the position and orientation of single nano-objects in fluids by precisely controlling the

Diffraction study of the retained austenite content in TRIP steels

January 19, 2011

Author(s)

Thomas H. Gnaupel-Herold, Adam Abel Creuziger

The results of a study of using neutron diffraction for determining the retained austenite content of TRIP steels are presented. The study covers a wide area of

NMR Characterization of the Formation Kinetics and Structure of Di-O-Benzylidene Sorbitol Gels Self-Assembled in Organic Solvents

January 19, 2011

Author(s)

David L. VanderHart, Jack F. Douglas, Steven Hudson, Joseph M. Antonucci, Elizabeth A. Wilder

The molecule 1,3:2,4-Di-O-Benzylidene sorbitol (DBS) is a common gelator that forms thermally reversible gels in diverse organic solvents. Solid state 13C and

Microfluidics Measurements of Interfacial Rheology

January 18, 2011

Author(s)

Jeffrey D. Martin, Joie N. Marhefka, Kalman D. Migler, Steven D. Hudson

The bulk properties and structural characteristics of emulsions arise substantially from their interfacial rheology, which depends strongly on surfactant mass

Controlled in situ Nanocavitation in Polymeric Materials

January 18, 2011

Author(s)

Yajun Cheng, Joseph M. Antonucci, Steven Hudson, Nancy Lin, Xinran Zhang, Sheng Lin-Gibson

A new strategy to produce polymer-inorganic composites with ultra low volume shrinkage has been developed. Small amount of cavitation agent, acetone

Simulation of lattice strain due to CNT-metal interface

January 17, 2011

Author(s)

Alexander Y. Smolyanitsky, Vinod K. Tewary

We report an atomistic molecular statics study of strains in single wall carbon nanotubes (SWCNTs) interfaced with a planar nickel surface. We calculate axial

Experimental realization of a low-noise heralded single photon source

January 17, 2011

Author(s)

Alan L. Migdall, Sergey V. Polyakov, Marco Genovese, Fabrizio Piacentini, I. Ruo Berchera, Ivo P. Degiovanni, Giorgio Brida

We present a heralded single-photon source with a much lower level of unwanted background photons in the output channel by using the herald photon to control a

Empirical Evidence for Iris Match Score Degradation with Time Lapse in ICE 2006

January 17, 2011

Author(s)

Sarah E. Baker, Kevin W. Bowyer, Patrick J. Flynn, P. Jonathon Phillips

Methylmercury photodegradation influenced by sea ice cover in Arctic marine ecosystems

January 16, 2011

Author(s)

David Point, J E. Sonke, Russell D. Day, David G. Roseneau, Keith A. Hobson, Stacy Schuur, Amanda Moors, Rebecca Pugh, Olivier F. Donard, Paul R. Becker

Despite two decades of research on mercury in northern environments, we do not fully understand the high levels of this pollutant in Arctic Biota. The

Equations of State on Demand: Application for Surrogate Fuel Development

January 15, 2011

Author(s)

Marcia L. Huber, Thomas J. Bruno, Robert D. Chirico, Vladimir Diky, Andrei F. Kazakov, Eric W. Lemmon, Chris D. Muzny, Michael D. Frenkel

The NIST ThermoData Engine (TDE) is a large electronic database containing experimental data with detailed descriptions of relevant metadata and uncertainties

Electron Vortex Beams with High Quanta of Orbital Angular Momentum

January 14, 2011

Author(s)

Benjamin James McMorran, Amit K. Agrawal, Ian M. Anderson, Andrew A. Herzing, Henri J. Lezec, Jabez J. McClelland, John Unguris

Analogous to vortices in light optical beams, electron optical beams with helical wavefronts carry orbital angular momentum and promise new capabilities for

Fiber-based cryogenic and time-resolved spectroscopy of PbS quantum dots

January 14, 2011

Author(s)

Matthew T. Rakher, Ranojoy Bose, Chee Wei Wong, Kartik A. Srinivasan

Validation of Serum Cardiac Troponin I Reference Materials Using an Immunoprecipitation Method Coupled with Fluorescent Western Blot Analysis

January 14, 2011

Author(s)

Hua-Jun He, Mark Lowenthal, Kenneth D. Cole, David M. Bunk, Lili Wang

Cardiac troponin I (cTnI) is adopted as the gold standard cardiac biomarker following the universal definition of myocardial infarction (MI). Presently, the

The Realization of Artificial Kondo Lattices in Nanostructured Arrays

January 13, 2011

Author(s)

Deepak Singh, M. T. Tuominen

Editorial Preface

January 13, 2011

Author(s)

George G. Harman

Radio Frequency and Analog/Mixed-Signal Technologies for Wireless Communications

January 13, 2011

Author(s)

Herbert S. Bennett, John J. Pekarik, Margaret Huang

Radio frequency (RF) and analog mixed-signal (AMS) technologies serve the very rapidly growing wireless communications market and represent essential and

Frequency-bin Entangled Comb of Photon Pairs From a Silicon-on-Insulator Micro-Resonator

January 13, 2011

Author(s)

Jun Chen, Zachary H. Levine, Jingyun Fan, Alan L. Migdall

We present a quantum-mechanical theory to describe narrow-band photon- pair generation via four-wave mixing in a Silicon-on-Insulator (SOI) micro- resonator. We

Calibration and uncertainty assessment for certified reference gas mixtures

January 13, 2011

Author(s)

Franklin R. Guenther, Antonio M. Possolo

The method to build an analysis function described in ISO 6143, Gas analysis - Comprarison methods for determining and checking the composition of calibration

Influence of substrate on crystallization in polythiophene/fullerene blends

January 13, 2011

Author(s)

Lee J. Richter, Christine He, David Germack, R Joseph Kline, Dean DeLongchamp, Daniel A. Fischer, Chad R. Snyder, James G. Kushmerick

The nanoscale morphology of the active layer in organic, bulk heterojunction (BHJ) solar cells is crucial to device performance. Often a combination of casting

Design of the NIST 10V programmable Josephson voltage standard system

January 13, 2011

Author(s)

Charles J. Burroughs, Paul Dresselhaus, Alain Rufenacht, David I. Olaya, Mike Elsbury, Yi-hua D. Tang, Samuel Benz

NIST has developed and implemented a new Programmable Josephson Voltage Standard (PJVS) that operates at 10 V. This next-generation system is optimized for both

Changing Optical Axis Due To Reactor Operation

January 12, 2011

Author(s)

Daniel S. Hussey, David L. Jacobson, Elias M. Baltic

During reactor operation, the neutron flux distribution is modified by the reactor control mechanisms, in the case of the reactor at the National Institute of

EUV Spectral Lines of Highly-Charged Hf, Ta and Au Ions Observed with an Electron Beam Ion Trap

January 12, 2011

Author(s)

Ilija Draganic, Yuri Ralchenko, Joseph Reader, John D. Gillaspy, Joseph N. Tan, Joshua M. Pomeroy, Samuel M. Brewer, Dmitry D. Osin

Extreme ultraviolet spectra of highly charged hafnium, tantalum, and gold were produced with an electron beam ion trap (EBIT) at the National Institute of

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