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Journals

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 Huber, Thomas J. Bruno, Robert D. Chirico, Vladimir Diky, Andrei Kazakov, Eric Lemmon, Chris 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...

Prediction and Preliminary Standardization of Fire Debris Constituents with the Advance Distillation Curve Method

January 12, 2011

Author(s)

Thomas J. Bruno, Marcia L. Huber, Tara Lovestead

As pointed out by the recent National Academy of Sciences report on forensic sciences, the study of fire patterns and debris in arson fires is in need of...

Limit of detection determination for censored samples.

January 11, 2011

Author(s)

Andrew L. Rukhin, Daniel V. Samarov

The problem of setting the limit of detection is considered for censored samples and heterogeneous errors. After formal definitions of the critical level and of...

Phase Distribution of 14C-labeled Multi-walled Carbon Nanotubes in Aqueous Systems Containing Model Solids: Peat

January 11, 2011

Author(s)

Elijah J. Petersen, Liwen Zhang, Qingguo Huang

Understanding the sorption interactions between nanoparticles and soils or sediments is a critical factor in determining their fate in environmental systems. As...

Effect of Gamma Sterilization on Aqueous Dispersions of Length Sorted Carbon Nanotubes

January 11, 2011

Author(s)

Jeffrey A. Fagan, Nancy J. Lin, Angela R. Hight Walker

The effects of Gamma sterilization from a 60Co source on the dispersion and optical properties of single-wall carbon nanotubes in aqueous dispersion is reported...

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