Journals

The Practice of Pulse Processing

November 12, 2015

Author(s)

Joseph W. Fowler, Bradley K. Alpert, William B. Doriese, Young Il Joe, Galen C. O'Neil, Joel N. Ullom, Daniel S. Swetz

The analysis of data from x-ray microcalorimeters requires great care; their excellent intrinsic energy resolution cannot usually be achieved in practice...

Optical Control of Spin-Valley-Orbital States of Group-V Donors in Silicon

November 11, 2015

Author(s)

Michael Gullans, Jacob M. Taylor

We show how to to achieve spin-selective excitation of the valley-orbit states of group-V donors (P, As, Sb, Bi) in silicon using optical fields. We consider...

CO2 Capture and Positional Disorder in Bis(135-benzenetricarboxylate) Tri-copper Hydrate: An In Situ Laboratory X-ray Powder Diffraction Study

November 11, 2015

Author(s)

Winnie K. Wong-Ng, Igor Levin, James A. Kaduk, Laura Espinal, Hui Wu

Ambient-temperature capture of CO2 by metal-organic framework Cu3(BTC)2 (BTC ≡ 1,3,5-benzenecarboxylate), known as HKUST-1, have been studied in situ in a...

Identifying Performance Assurance Challenges for Smart Manufacturing

November 11, 2015

Author(s)

Moneer M. Helu, Katherine C. Morris, Kiwook Jung, Kevin W. Lyons, Swee K. Leong

Smart manufacturing has the potential to address many of the innovation drivers faced by industry. However, the manufacturing community often needs assistance...

Determination of high-molecular weight polycyclic aromatic hydrocarbons in high performance liquid chromatography fractions of coal tar standard reference material 1597a via solid-phase nanoextraction and laser-excited time-resolved Shpolskii spectr

November 10, 2015

Author(s)

Walter B. Wilson, Bassam Alfarhani, Cristina Bisson, Stephen A. Wise, Andres Campiglia

This article presents an alternative approach for the analysis of high molecular weight polycyclic aromatic hydrocarbons (HMW-PAHs) with molecular mass 302 Da...

Hydrogen Field Test Standard: Laboratory and Field Performance

November 10, 2015

Author(s)

Jodie G. Pope, John D. Wright

The National Institute of Standards and Technology (NIST) developed a prototype field test standard (FTS) that incorporates three test methods that could be...

Correcting the Relative Bias of Light Obscuration and Flow Imaging Particle Counters

November 10, 2015

Author(s)

Dean C. Ripple, Zhishang Hu

Purpose: Industry and regulatory bodies desire more accurate methods for counting and characterizing particles. Measurements of proteinaceous-particle...

GHz Laser-free Time-resolved Transmission Electron Microscopy: a Stroboscopic High-duty-cycle Method

November 10, 2015

Author(s)

June W. Lau, Jiaqi Qiu, Chunguang Jing, Sergey Baryshev, Bryan W. Reed, Yimei Zhu

A device and a method for producing ultrashort electron pulses with GHz repetition rates via pulsing an input direct current (dc) electron beam are provided...

Effects of Pressure on the Dynamics of an Oligomeric Protein from Deep-Sea Hyperthermophile

November 10, 2015

Author(s)

Utsab R. Shrestha, Debsindhu Bhowmik, John R. Copley, Madhu Sudan Tyagi, Juscelino Leao, Xiang-Qiang Chu

Inorganic Pyrophosphatase (IPPase) from Thermococcus thioreducens is a large oligomeric protein derived from a hyperthermophilic microorganism that is found...

Electromagnetic resonances of individual single-walled carbon nanotubes with realistic shapes: A characteristic modes approach

November 9, 2015

Author(s)

Ahmed M. Hassan, Luis F. Vargas Lara, Jack Douglas, Edward Garboczi

In composites, Carbon Nanotubes (CNTs) are rarely perfectly straight and they usually exhibit complex shapes. In this paper, we employ the Method of Moments...

Deep-subwavelength Nanometric Image Reconstruction using Fourier Domain Optical Normalization

November 5, 2015

Author(s)

Jing Qin, Richard M. Silver, Bryan M. Barnes, Hui Zhou, Ronald G. Dixson, Mark Alexander Henn

Quantitative optical measurements of deep sub-wavelength, three-dimensional, nanometric structures with sensitivity to sub-nanometer details address an...

ROLE OF SALT ON ADHESION OF AN EPOXY/ALUMINUM (OXIDE) INTERFACE IN AQUEOUS ENVIRONMENTS

November 5, 2015

Author(s)

Kar T. Tan, Christopher C. White, Donald L. Hunston, Justin M. Gorham, Michael Imburgia, Aaron M. Forster, Vogt D. Bryan

Engineering joints consisting of polymer/inorganic interfaces are commonly exposed to less than ideal conditions during normal service; these environmental...

Layered Double Hydroxide-Based Fire Re-sistant Coatings for Flexible Polyurethane Foam

November 5, 2015

Author(s)

Yu-Chin Li, John R. Shields, Rick D. Davis

Montmorillonite clay (MMT) is frequently used to create fire resistance in Layer-by-Layer (LbL) applied coatings. This manuscript reports that switching the MMT...

Effect of a micro-copolymer addition on the thermal conductivity of fly ash mortars

November 5, 2015

Author(s)

Alejandro Duran-Herrera, Joana K. Campos-Dimas, P Valdez, Dale P. Bentz

In this study, a copolymer composed of hollow spherical particles with an average particle size of 90 µm was evaluated as a lightweight aggregate in Portland...

Dynamical detection of a topological phase transition in one-dimensional spin-orbit-coupled Fermi gases

November 4, 2015

Author(s)

Ian B. Spielman, Setiawan Wenming, Krishnendu Sengupta, Jay Sau

We demonstrate that non-equilibrium dynamics provides a direct means of detecting the topological phase transition (TPT) between conventional and topological...

The effect of reusing wipes for particle collection

November 4, 2015

Author(s)

Jessica L. Staymates, Matthew E. Staymates, Jeffrey A. Lawrence

This work addresses the need for a method to measure the collection efficiency performance of surface wipe materials as a function of wipe reuse number. The...

Applications of the Spline Filter for Areal Filtration

November 4, 2015

Author(s)

D Ott, Hao H. Zhang, Daniel B. Ott, Wei Chu, Jun-Feng Song

This paper proposes a general use areal isotropic spline filter. This new areal spline filter can achieve isotropy by approximating the transmission...

Increased carrier mobility and lifetime in CdSe quantum dot thin films through surface passivation and doping

November 4, 2015

Author(s)

Daniel Straus, E. D. Goodwin, E. A. Gaulding, Shinichiro Muramoto, Murray B. Christopher, Cherie R. Kagan

Passivating surface defects and controlling the carrier concentration and mobility in quantum dot (QD) thin films is a prerequisite to designing electronic and...

Inverse Method for Estimating Shear Stress in Machining

November 3, 2015

Author(s)

Timothy J. Burns, Steven P. Mates, Richard L. Rhorer, Eric P. Whitenton, Debasis Basak

An inverse method is presented for estimating the shear stress in the work material in the region of chip-tool contact along the rake face of the tool during...

Comparison of halocarbon measurements in an atmospheric dry whole air sample

November 3, 2015

Author(s)

George C. Rhoderick, Bradley Hall, Christina Harth, Jin Seog Kim, Jeogsoon Lee, Stephen Montzka, J. Muhle, Stefan Reimann, Martin Vollmer, Ray Weiss

The growing awareness of climate change/global warming, and continuing concerns regarding stratospheric ozone depletion, will require continued measurements and...

Cyber-Physical Systems Framework

November 2, 2015

Author(s)

David A. Wollman

Two worlds that have operated independentlythe digital and physical worldsare now merging, creating opportunities that will transform many sectors of our...

First far-infrared high resolution analysis of the nu6 band of phosgene 35Cl2CO and 35Cl37CLCO

November 2, 2015

Author(s)

Walter J. Lafferty

A Fourier transform spectrum of phosgene (Cl2CO) has been recorded in the 22.5 μm spectral region at a resolution of 0.00102 cm-1 using a Bruker IFS125HR...

Injection Locking of a Semiconductor Double Quantum Dot Micromaser

November 2, 2015

Author(s)

Michael Gullans, Y.-Y. Liu, J. Stehlik, Jacob M. Taylor, Jason Petta

The semiconductor double quantum dot (DQD) micromaser generates photons through single electron tunneling events. Charge noise couples to the DQD energy levels...

Electrostatic Microprobe for Determining Charge Domains on Surfaces

November 2, 2015

Author(s)

Robert A. Fletcher

The electrostatic microprobe is a laboratory constructed instrument with the design purpose to measure charge content on wipe and various control surfaces. The...

A Measure of Dependence for Cryptographic Primitives Relative to Ideal Functions

November 2, 2015

Author(s)

Daniel C. Smith-Tone, Cristina Tone

In this work we present a modification of a well-established measure of dependence appropriate for the analysis of stopping times for adversarial processes on...

Application of Natural Isotopic Abundance 1H-13C- and 1H-15N-Correlated Two-Dimensional NMR for Evaluation of the Structure of Protein Therapeutics

November 2, 2015

Author(s)

Luke Arbogast, Robert G. Brinson, John Marino

Methods for characterizing the higher-order structure of protein therapeutics are in great demand for establishing consistency in drug manufacturing, for...

The Fiber Break Evolution Process in a 2-D Epoxy/Glass Multi-Fiber Array

November 2, 2015

Author(s)

Edward D. McCarthy, Jae H. Kim, N. Alan Heckert, Stefan D. Leigh, Jeffrey W. Gilman, Gale A. Holmes

The mechanical integrity of a structural composite is strongly affected by the strength and toughness of the fiber-matrix interface/interphase [1], with...

Inter-method Performance Study of Tumor Volumetry Assessment on Computed Tomography Test-retest Data

November 1, 2015

Author(s)

Adele P. Peskin, Andrew Buckler, Jovanna Danagoulian, Kjell Johnson

Rationale and objectives The quantification of lung tumor volume change has potential as an imaging biomarker for diagnosis, therapy planning, and monitoring...

Monte Carlo based approach to the LS-NaI ß-γ anticoincidence extrapolation and uncertainty

November 1, 2015

Author(s)

Ryan P. Fitzgerald

The β-γ anticoincidence method is used for the primary standardization of β-, β+, electron capture (EC), α, and mixed-mode radionuclides. Efficiency...

Combinatorial Analysis of Diagonal, Box and Greater-Than Polynomials as Packing Functions

November 1, 2015

Author(s)

Pepe Torres Jimenez, Nelson Rangel-Valdez, Raghu N. Kacker, James F. Lawrence

Packing functions (PFs) are bijections between a set of m-dimensional vectors V over N m and nonnegative integers N. PFs have several applications, e.g. in...