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Journals

Topography of Metallic Surfaces Subjected to Plastic Strain: Roughness, Spatial Correlations, and Eigenvalue Spectral Entropy

July 19, 2007

Author(s)

Joseph B. Hubbard, Mark R. Stoudt, Lyle E. Levine

We employ scanning confocal laser microscopy (SLCM) to obtain topographic images of the surface of an aluminum alloy subjected to various levels of uniaxial...

Low-noise fiber-laser frequency combs

July 19, 2007

Author(s)

Nathan R. Newbury, William C. Swann

We discuss experimental and theoretical aspects of a low-noise fiber-laser frequency comb, including the experimental configuration and the major contributions...

Kinematics Viscosity of Several Gases at Temperatures Between 220 K and 375 K, and Pressures up to 3.4 MPa Determined From a Greenspan Acoustic Viscometer

July 18, 2007

Author(s)

Andres Estrada-Alexanders, John J. Hurly

The sample gas oscillates between the two chambers at a low frequency dependent on the molecular weight, typically 300 Hz for argon. A complete acoustic model...

Bias and the Limits of Pooling for Large Collections

July 17, 2007

Author(s)

C E. Buckley, Darrin L. Dimmick, Ian Soboroff, Ellen M. Voorhees

Modern retrieval test collections are built through a process called pooling in which only a sample of the entire document set is judged for each topic. The...

Injectable Calcium Phosphate Cement: Effects of Powder-to-Liquid Ratio and Needle Size

July 16, 2007

Author(s)

Elena F. Burguera, Hockin D. Xu, Limin Sun

Calcium phosphate cement (CPC) sets in-situ with intimate contact with neighboring bone and forms apatite with excellent osteoconductivity and bone-replacement...

Model, Prediction and Experimental Verification of Composition and Thickness in Continuous Spread Thin Film Combinatorial Libraries Grown by Pulsed Laser Deposition

July 16, 2007

Author(s)

Nabil Bassim, Peter K. Schenck, Makoto Otani, Hiroyuki Oguchi

Pulsed laser deposition (PLD) is a powerful technique for growing continuous spread thin film libraries of continuously varying composition as a function of...

Laser-induced exfoliation of amorphous carbon layer on an individual multiwall carbon nanotube

July 16, 2007

Author(s)

Gurpreet Singh, Paul Rice, Katie Hurst, John H. Lehman, Roop Mahajan

Pulsed-laser treatment of an individual multiwall carbon nanotube induced selective exfoliation of the amorphous carbon contamination layer. The multiwall...

MODELING AND EXPERIMENTS ON FAST COOLDOWN OF A 120 Hz PULSE TUBE CRYOCOOLER

July 16, 2007

Author(s)

Srinivas Vanapalli, Michael A. Lewis, Gershon Grossman, Zhihua Gan, Ray Radebaugh, H.J. M. ter Brake

High frequency operation of a pulse tube cryocooler leads to reduced regenerator volume, which results in a reduced heat capacity and a faster cooldown time. A...

Laser-induced exfoliation of amorphous carbon layer on an individual multiwall carbon nanotube

July 16, 2007

Author(s)

Gurpreet Singh, Paul Rice, Katie Hurst, John Lehman, Roop L. Mahajan

Pulsed laser treatment of an individual Multiwall Carbon Nanotube (MWCNT) exposed to a 248 nm excimer laser induced selective exfoliation of the amorphous...

A Virtual Rapid Chloride Permeability Test

July 15, 2007

Author(s)

Dale P. Bentz

The rapid chloride permeability test (RCPT), as it is commonly called, has been in existence for over 20 years and was standardized by ASTM over 15 years ago...

ILThermo: A Free-Access Web Database for Thermodynamic Properties of Ionic Liquids

July 15, 2007

Author(s)

Qian Dong, Chris D. Muzny, Andrei F. Kazakov, Vladimir Diky, Joe W. Magee, Jason A. Widegren, Robert D. Chirico, Kenneth N. Marsh, Michael D. Frenkel

The development, scope, and functionality of the web-based ionic liquids database, ILThermo, are described. The database is available free to the public, and...

Scattering and Interference in Epitaxial Graphene

July 13, 2007

Author(s)

Gregory M. Rutter, Jason Crain, T Li, P First, Joseph A. Stroscio

A single sheet of carbon, graphene, exhibits unexpected electronic properties that arise from quantum state symmetries, which restrict the scattering of its...

Dielectric-Resonator Method for Measuring the Electrical Conductivity of Carbon Nanotubes from Microwave to Millimeter Frequencies

July 13, 2007

Author(s)

James R. Baker-Jarvis, Michael D. Janezic, John H. Lehman

We describe a dielectric resonator-based measurement method for determining the electrical conductivity of carbon nanotubes and nanowires at microwave to...

Synthetic Incoherence for Electron Microscopy

July 11, 2007

Author(s)

Zachary H. Levine, Robyn M. Dunstan

Tomographic studies of submicrometer samples in materials science using electron microscopy have been inhibited by diffraction effects. In the present work, we...

Internal Curing of High-Performance Blended Cement Mortars: Autogenous Deformation and Compressive Strength Development

July 11, 2007

Author(s)

Dale P. Bentz

In the twenty-first century, most high-performance concretes, and many other ordinary concretes, are now based on blended cements that contain silica fume, slag...

Subwavelength Addressibility and Spin-Dependent Transport in a Double-Well Optical Lattice

July 11, 2007

Author(s)

Patricia J. Lee, M Anderlini, Ben L. Brown, Jennifer Sebby-Strabley, William D. Phillips, James V. Porto

We report the experimental demonstration of site-selective RF addressing of atoms with sub-wavelength resolution in a spin-dependent optical lattice of double...

Conducting Polymer Diffraction Gratings on Gold Surfaces Created by Micro-contact Printing and Electropolymerization at Sub-micron Length Scales

July 11, 2007

Author(s)

F. S. Marikkar, C. Carter, K. Kieltyka, Joseph W. Robertson, C. Williamson, A. Simmonds, R. Zangmeister, T. Fritz, N. Armstrong

Composition-Explicit Distillation Curves of Aviation Fuels JP-8 and a Coal-Based Jet Fuel

July 11, 2007

Author(s)

Thomas J. Bruno, Beverly L. Smith

We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. The modifications to the classical...

Statistics in Metrology: International Key Comparisons and Interlaboratory Studies

July 10, 2007

Author(s)

N Sedransk, Andrew L. Rukhin, Blaza Toman

An approach to the analysis of key comparisons data is proposed using a model taken from meta-analysis metrology. Under the assumption of Gaussian distributions...

A Versatile Platform for Creating Gradient Combinatorial Libraries via Modulated Light Exposure

July 10, 2007

Author(s)

Brian Berry, Christopher M. Stafford, Mayur P. Pandya, Leah A. Lucas, Michael J. Fasolka

Combinatorial approaches require the high throughput design and characterization of appropriate well-behaved libraries. This paper details the design...

Microfluidic Dynamic Light Scattering Used for High Throughput Measurements

July 10, 2007

Author(s)

Thomas Q. Chastek, Kathryn L. Beers, Eric J. Amis

When diluted in some solvents, surfactants and block copolymers self-assemble into micelles or vesicles of about 10-100 nm in size. There is a great deal of...

Ultraviolet Characterization of Integrating Spheres

July 9, 2007

Author(s)

Ping-Shine Shaw, Zhigang Li, Uwe Arp, Keith R. Lykke

We have studied the performance of integrating spheres in the ultraviolet (UV) with wavelengths as short as 200 nm. Two techniques were used for this study...

NIST Delivers Strong and Flexible Security Standards Managing Enterprise Risk in a World of Sophisticated Cyber Threats

July 9, 2007

Author(s)

Ronald S. Ross

This article summarizes the fundamental concepts of the FISMA project and reinforces the core principles that have guided the project from its initiation in...

Silicon Nanowire Electromechanical Switches for Logic Device Application

July 6, 2007

Author(s)

Qiliang Li, Sang-Mo Koo, Monica D. Edelstein, John S. Suehle, Curt A. Richter

Electromechanical switches consisting of chemical-vapor-deposition grown silicon nanowires suspended over metal electrodes have been fabricated successfully by...

Characterization of the Potential Energy Landscape in an Antiplasticized Polymer

July 6, 2007

Author(s)

Robert A. Riggleman, Jack F. Douglas, J J. de Pablo

Transition state searches have been performed on model coarse-grained polymer systems, and the results compared to those of an antiplasticized polymer system...

Certification of Creatinine in a Human Serum Reference Material by Gas Chromatography/Mass Spectrometry and Liquid Chromatography/Mass Spectrometry

July 3, 2007

Author(s)

Nathan G. Dodder, Susan S. Tai, Lorna T. Sniegoski, Michael J. Welch

Background: To meet recommendations given by the Laboratory Working Group of the National Kidney Disease Education Program (NKDEP) for improving serum...

Differential Atomic Magnetometry Based on a Diverging Laser Beam

July 3, 2007

Author(s)

Eleanor Hodby, Elizabeth A. Donley, John E. Kitching

We demonstrate a novel atomic magnetometer that uses differential detection of the spatially diverging components of a light field to monitor the Larmor...

Development of Database on Gas-Chromatographic Retention Properties of Organic Compounds

July 2, 2007

Author(s)

Valeri I. Babushok, Peter J. Linstrom, J J. Reed, I G. Zenkevich, Robert L. Brown, William G. Mallard, Stephen E. Stein

A comprehensive database of gas chromatographic properties of chemical compounds has been developed using multiple literature sources. The collection of...

Distributed Sensor Location through Linear Programming with Triangle Inequality Constraints

July 2, 2007

Author(s)

Camillo A. Gentile

The falling price and reduced size of sensors for monitoring spatially-sensitive environmental properties such as temperature, light, sound, and vibration have...

Nanocrystalline and Nanocomposite Magnetic Materials and Their Applications

July 2, 2007

Author(s)

Robert D. Shull

Nanocrystalline materials can possess bulk properties quite different from those commonly associated with conventional large-grained materials. Nanocomposites...

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