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Journals

Bayesian Estimation of Reliability for Batches of High Reliability Single Use Parts

September 24, 2012

Author(s)

Adam L. Pintar

When batches of critical, very high reliability single use parts are being produced, rigorous testing is often required to qualify the parts and allow them to

Current status and future needs for standards of radionuclides used in Positron Emission Tomography

September 23, 2012

Author(s)

Brian E. Zimmerman

Positron Emission Tomography is being increasingly used as a quantitative technique for detecting disease and monitoring patient progress during treatment. In

Characterizing Firebrand Exposure from Wildland-Urban Interface (WUI) Fires: Results from the 2007 Angora Fire

September 22, 2012

Author(s)

Samuel L. Manzello, Ethan I. Foote

This study examines the size distribution and other characteristics of firebrand exposure during the 2007 Angora Fire, a severe Wildland-Urban Interface (WUI)

Characterization and In-situ Monitoring of Sub-stoichiometric Adjustable TC Titanium Nitride Growth

September 21, 2012

Author(s)

Michael R. Vissers, Jiansong Gao, Jeffrey S. Kline, Martin O. Sandberg, Martin P. Weides, David S. Wisbey, David P. Pappas

The structural and electrical properties of Ti-N films deposited by reactive sputtering depend on their growth parameters, in particular the Ar:N2 gas ratio. We

PEG-Labeled Nucleotides and Nanopore Detection for Single Molecule DNA Sequencing by Synthesis

September 21, 2012

Author(s)

Shiv Kumar, Tao Chuanjuan, Chien Minchen, Hellner Brittney, Joseph W. Robertson, Arvind Balijepalli, Li Zengmin, James J. Russo, Joseph E. Reiner, John J. Kasianowicz, Jingyue Ju

There is a significant need to accurately sequence single DNA and RNA molecules for personalized medicine. We describe a novel nanopore-based sequencing by

X-Ray Scattering Study on the Damage in Fibers Used in Soft Body Armor After Folding

September 21, 2012

Author(s)

Haruki Kobayashi, Walter G. McDonough, Joy Dunkers, Scott Wight, Hae-Jeong Lee, Jae H. Kim, Amanda L. Forster, Kirk D. Rice, Gale A. Holmes

Epitaxial (111) Films of Cu, Ni, and Cu_xNi_y on α–Al₂O₃(0001) for graphene growth by chemical vapor deposition

September 21, 2012

Author(s)

David L. Miller, Mark W. Keller, Justin Shaw, Ann Chiaramonti Debay, Robert Keller

Films of (111)-textured Cu, Ni, and Cu xNi y were evaluated as substrates for chemical vapor deposition of graphene. A metal thickness of 400 nm to 700 nm was

Comprehensive Observations of the Ultraviolet Spectrum and Improved Energy Levels for Singly-Ionized Chromium (Cr II)

September 20, 2012

Author(s)

Craig J. Sansonetti, Gillian Nave, Joseph Reader, Florian Kerber

We report new observations of the spectrum of singly-ionized chromium (Cr II) in the region 1142 A to 3954 A. The spectra were recorded with the National

Anomalous Friction in Suspended Graphene

September 20, 2012

Author(s)

Alexander Y. Smolyanitsky, Jason P. Killgore

Since the discovery of the Amonton's law and with support of modern tribological models, friction between surfaces of three-dimensional materials is known to

Concentration Measurement of Length-Fractionated Colloidal Single-Wall Carbon Nanotubes

September 20, 2012

Author(s)

Constantine Y. Khripin, Xiaomin X. Tu, John Howarter, Jeffrey A. Fagan, Ming Zheng

Determination of the colloid concentration for a given single-wall carbon nanotube (SWCNT) dispersion is a basic requirement for many studies. The commonly used

Dieseline for Supercritical Injection and Combustion in Compression-Ignition Engines: Volatility, Phase Transitions, Spray/Jet Structure, and Thermal Stability

September 20, 2012

Author(s)

Thomas J. Bruno, George G. Anitescu, Lawrence L. Tavlarides

To optimize the injection-combustion process of increasingly diversified fuels, thermophysical and chemical properties of new blends are required over wide

Performance of the NIST goniometer with a broad-band source and multichannel CCD based spectrometer

September 20, 2012

Author(s)

Vyacheslav B. Podobedov, Maria Nadal, C Cameron Miller

Mg-Fe Thin Films: A Phase-separated Structure with Fast Kinetics of Hydrogenation

September 20, 2012

Author(s)

Shiyou Zheng, Ke Wang, Vladimir Oleshko, Leonid A. Bendersky

In this paper we suggest a new approach to improve the kinetics of hydrogenation based on a material with high density of interfaces between hydride-forming

Dieseline for Supercritical Injection and Combustion in Compression-Ignition Engines: Volatility, Phase Transitions, Spray/Jet Structure, and Thermal Stability

September 20, 2012

Author(s)

George Anitescu, Thomas J. Bruno, Lawrence L. Tavlarides

To optimize the injection-combustion process of increasingly diversified fuels, thermophysical and chemical properties of new blends are required over wide

Effect of Confinement on Structure, Water Solubility and Water Transport in Nafion Thin Films

September 19, 2012

Author(s)

Kirt A. Page, Scott Eastman, Shuhui Kang, Christopher L. Soles, Brandon W. Rowe

Fuel cells based on polymer electrolyte membranes (PEM) show promise as a means of energy conversion for a wide range of applications both in the transportation

Gradient-based stopping rules for maximum-likelihood quantum-state tomography

September 18, 2012

Author(s)

Scott C. Glancy, Emanuel H. Knill, Mark Girard

When performing maximum likelihood quantum state tomography, one must find the quantum state that maximizes the likelihood for observed measurements on

Evidence for Anisotropic Polar Nanoregions in Relaxor Pb(Mg_1/3}Nb_2/3})O₃: A Neutron Study of the Elastic Constants and Anomalous TA Phonon Damping in PMN

September 18, 2012

Author(s)

Christopher K. Stock, Peter M. Gehring, H. Hiraka, I. Swainson, Guangyong Xu, Z.-G. Ye, J.-F. Li, D. Viehland

We use neutron inelastic scattering methods to characterize the acoustic phonons in the relaxor Pb(Mg 1/3}Nb 2/3})O 3 (PMN) and demonstrate the presence of a

Computational Design of New Refrigerant Fluids Based on Environmental, Safety, and Thermodynamic Characteristics

September 17, 2012

Author(s)

Andrei F. Kazakov, Mark O. McLinden, Michael D. Frenkel

We present a systematic search for new classes of refrigerants that would possess low values of Global Warming Potential (GWP), along with low- to moderate

Impact of Size on Carbon Nanotube Transport in Natural Porous Media

September 17, 2012

Author(s)

Denis O'Carroll, Xeuying Liu, Nikolai Mattison, Elijah Petersen

Carbon nanotubes are the subject of intense research due to their unique properties: light weight, significant strength, excellent conductivity, and outstanding

Characterization of a High-Speed (10 MHz) Quadrant Avalanche Photodiode for Measuring Cantilever Displacement

September 16, 2012

Author(s)

Brian G. Burke, David A. LaVan

We have measured the characteristics of a high-speed (10 MHz) quadrant avalanche photodiode (APD) in order to detect high frequency resonant oscillations and

Ferri- to ferro-magnetic transition in the martensitic phase of a Heusler alloy

September 15, 2012

Author(s)

Robert D. Shull, Lawrence H. Bennett, Virgil Provenzano, Y. N. Jin, Igor Levin, E. Della Torre

During the past decade the magnetic properties of Heusler alloys have been extensively studied, motivated in part by the observation of large magnetocaloric

UV-induced photochemical transformations of citrate capped silver nanoparticle suspensions

September 14, 2012

Author(s)

Justin M. Gorham, Robert I. MacCuspie, Kate L. Klein, D H. Fairbrother, Richard D. Holbrook

Due to the increasing use of silver nanoparticles (AgNPs) in consumer products, it is essential to understand how variables, such as light exposure, may change

Search for a T-odd, P-even Triple Correlation in Neutron Decay

September 14, 2012

Author(s)

Jeffrey S. Nico, T E. Chupp, K P. Coulter, R L. Cooper, S. J. Freeman, B. K. Fujikawa, A. Garcia, Gordon L. Jones, Hans P. Mumm, Alan K. Thompson, C A. Trull, F. E. Wiefeldt, J. F. Wilkerson

Time-reversal-invariance (T) violation, or equivalently, assuming charge-conjugation-parity-time-reversal (CPT) invariance, CP violation may explain the

A Sensitivity Study of the Heating Behavior of Composite Slab during Frame Fire Resistance Test

September 14, 2012

Author(s)

Dilip K. Banerjee

Accurate Gouy phase measurement in an astigmatic optical cavity

September 14, 2012

Author(s)

John R. Lawall, Mathieu Durand, Yicheng Wang

We present measurements of the Gouy phase accumulation for the fundamental mode of an astigmatic Fabry-Perot cavity over 70 % of its stability range. The method

Colorimetric Detection with Aptamer-Gold Nanoparticle Conjugates: Effect of Aptamer Length on Response

September 14, 2012

Author(s)

Jorge L. Chavez, Robert I. MacCuspie, Nancy Kelley-Loughnane, Morley O. Stone

A riboflavin binding aptamer (RBA) was used in combination with gold nanoparticles (AuNPs) to detect riboflavin in vitro. The RBA-AuNPs responded

Surface Effects on the Crystallization of cyclo-1,3,5-trimethylene-2,4,6-trinitramine (RDX) and the Consequences for its N K X-ray Emission Spectrum

September 13, 2012

Author(s)

Ilana G. Goldberg, Fernando D. Vila, Terrence Jach

Recent studies of the crystallization of cyclotrimethylene-trinitramine (RDX) have shown that the presence of the α- and β-phases of the compound is sensitive

Sub-picosecond exciton dynamics at CuPc/C60 interfaces: Energy dependence of exciton dissociation

September 13, 2012

Author(s)

Steven W. Robey

Donor-acceptor interfaces are critical for the operation of organic photovoltaic devices. Exciton dynamics, leading to charge separation and recombination at

Density and Speed of Sound Measurements of Four Bio-derived Fuels

September 13, 2012

Author(s)

Stephanie L. Outcalt, Tara J. Fortin

Compressed-liquid densities and ambient pressure densities and speeds of sound of four biomass-derived fuels have been measured. The compressed-liquid

Experimental Study on Tire Fire Penetration into a Motorcoach Passenger Compartment

September 13, 2012

Author(s)

Erik L. Johnsson, Jiann C. Yang

Two full-scale fire experiments were conducted to determine the mode of penetration of a tire fire into the passenger compartment of a motorcoach. A special

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