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Journals

Rapid-Heating of Ionic Energetic Materials using a Micro-Differential Scanning Device

July 10, 2011

Author(s)

Nicholas W. Piekiel, Richard E. Cavicchi, Michael R. Zachariah

We employ a microcalorimeter device to study the thermal decomposition of organic energetic materials at very high heating rates. The compact size of this...

Small fluctuations in epitaxial growth via conservative noise

July 7, 2011

Author(s)

Paul N. Patrone, Rongrong Wang, Dionisios Margetis

We study the combined effect of growth (material deposition from above) and nearest-neighbor entropic and force-dipole interactions in a stochastically...

Synchrotron radiation-based bilateral intercomparison of ultraviolet source calibrations

July 7, 2011

Author(s)

Uwe Arp, Zhigang Li, Ping-Shine Shaw, Mathias Richter, Roman Klein, Wolfgang Paustian, Reiner Thornagel

We report on a successful bilateral inter-comparison between the Physikalisch-Technische Bundesanstalt (PTB) and the National Institute of Standards and...

Sideband cooling of micromechanical motion to the quantum ground state

July 6, 2011

Author(s)

John Teufel, Tobias Donner, Dale Li, Michael S. Allman, Katarina Cicak, Adam Sirois, Jed D. Whittaker, Konrad Lehnert, Raymond Simmonds

The advent of laser cooling techniques revolutionized the study of many atomic-scale systems, fuelling progress towards quantum computing with trapped ions and...

Damping phenomena in Co₉₀Fe₁₀/Ni multilayers and alloys

July 6, 2011

Author(s)

Justin M. Shaw, Hans T. Nembach, Thomas J. Silva

We used perpendicular ferromagnetic resonance to measure the damping parameter in Co 90Fe 10/Ni multilayers over a wide range of layer thicknesses. The magnetic...

Absolute transition frequencies and quantum interference in a frequency comb based measurement of the 6,7Li D lines

July 6, 2011

Author(s)

Craig J. Sansonetti, Clayton Simien, John D. Gillaspy, Joseph N. Tan, Samuel M. Brewer, Roger C. Brown, Saijun Wu, James V. Porto

Optical frequencies of the D lines of 6,7Li were measured with a relative accuracy of 5x10-11 using an optical comb synthesizer. Quantum interference in the...

Using Cross-Evaluation to Evaluate Interactive QA Systems

July 5, 2011

Author(s)

Emile L. Morse, Ying Sun, Paul B. Kantor

Abstract: In this paper, we report on an experiment to assess the possibility of rigorous evaluation of interactive Question-Answering (QA) systems using the...

Determination of the quantum yield of the ferrioxalate and KI/KIO3 actinometers and a method for the calibration of radiometer detectors

July 5, 2011

Author(s)

J R. Bolton, Michaela I. Stefan, Ping-Shine Shaw, Keith R. Lykke

Abstract: The quantum yields for two popular actinometers have been determined using the tunable laser light source at the National Institute for Standards and...

IMPACT OF CLASSICAL ASSUMPTIONS IN MODELLING A MICROCHANNEL GAS COOLER

July 5, 2011

Author(s)

Santiago Martinez-Ballester, Jose M. Corberan, Jose Gonzalvez-Macia, Piotr A. Domanski

Most of the current air-to-refrigerant heat exchanger models use the classic ε-NTU approach. These models do not account for 2D longitudinal heat conduction in...

Four-color laser white illuminant demonstrating high color-rendering quality

July 4, 2011

Author(s)

Alexander Neumann, Jonathan Wierer , Wendy L. Davis, Yoshi Ohno, Steve Brueck, Jeff Tsao

Solid-state lighting is currently based on light-emitting diodes (LEDs) and phosphors. Solid-state lighting based on lasers would offer significant advantages...

Quantum superposition of a single microwave photon in two different colour states

July 3, 2011

Author(s)

Eva A. Zakka-Bajjani, Francois E. Nguyen, Minhyea Lee, Leila R. Vale, Raymond Simmonds, Joe Aumentado

The ability to manipulate photonic states is an important tool for quantum information processing. In cavity quantum electrodynamics (QED), coupling between...

GaN nanowires grown by molecular beam epitaxy

July 1, 2011

Author(s)

Kristine A. Bertness, Norman A. Sanford, Albert Davydov

The unique properties of GaN nanowires grown by molecular beam epitaxy are reviewed. These properties include defect-free growth mode with no residual strain...

Mass Spectrometry Characterization for Chemoenzymatic Glycoprotein Synthesis

July 1, 2011

Author(s)

John E. Schiel, Mark Lowenthal, Karen Phinney

Glycoproteins exist as heterogeneous mixtures of glycoforms due to glycosylation at multiple sites with various glycans. The glycosylation pattern has...

Stable isotope-labeling of DNA repair proteins, and their purification and characterization

July 1, 2011

Author(s)

M Miral Dizdar, Pawel Jaruga, Prasad T. Reddy, Bryant C. Nelson, Mark S. Lowenthal

Reduced DNA repair capacity is associated with increased risk for a variety of disease processes including carcinogenesis. Thus, DNA repair proteins have the...

Thermal Response Simulation for Tuning PID Controllers in a 1016 mm Guarded Hot Plate Apparatus

July 1, 2011

Author(s)

Robert R. Zarr, William C. Thomas

A mathematical model has been developed and used to simulate the controlled thermal performance of a large guarded hot-plate apparatus. The control system...

Interlayer Distance Dependence of Thickness Fluctuations in a Swollen Lamellar Phase

July 1, 2011

Author(s)

Michihiro Nagao, Sukhum Chawang, Takumi Hawa

Thickness fluctuations in a swollen lamellar structure, composed of a non-ionic surfactant, water and oil has been characterized by means of small-angle neutron...

Porous Graphene Oxide Frameworks: Synthesis and Gas Sorption Properties

July 1, 2011

Author(s)

Gadipelli Srinivas, Jacob Burress, Jamie Ford, Taner Yildirim

We report detailed synthesis of a range of porous graphene oxide frameworks (GOFs) by expansion of graphene oxide (GO) sheets with various linear boronic acid...

Persistent Organic Pollutant Concentrations in Fat, Blubber, Blood and Eggs of Leatherback Turtles with Confirmation of Maternal Transfer

July 1, 2011

Author(s)

Jennifer M. Lynch, John R. Kucklick, Kelly R. Stewart, Ryan Templeton, Chris Johnson

Among contaminant studies in reptiles, turtles, and in particular sea turtles, are poorly represented. To assess threats to this endangered species, it is...

Evaluating the characteristics of multiwall carbon nanotubes

July 1, 2011

Author(s)

John H. Lehman, M. Terrones, Elisabeth Mansfield, Katie Hurst, Vincent Muenier

During the past 20 years, multiwall carbon nanotubes (MWCNTs) have become an important industrial material. Hundreds of tons are produced each year. This review...

Electrical Characterization of Photoconductive GaN Nanowire Devices from 50 MHz to 33 GHz

July 1, 2011

Author(s)

Thomas M. Wallis, Dazhen Gu, Atif A. Imtiaz, Pavel Kabos, Paul T. Blanchard, Norman A. Sanford, Kristine A. Bertness, Christpher Smith

The electrical response of two-port., photoconductive GaN nanowire devices was measured from 50 MHz to 33 GHz. The admittance of individual contacted nanowires...

Graphene: Materials to devices

July 1, 2011

Author(s)

Jungseok Chae, Jeonghoon Ha, H. Baek, Young Kuk, Suyong S. Jung, Young J. Song, Nikolai B. Zhitenev, Joseph A. Stroscio, S.J. Woo, Y.-W. Son

Guest Editorial: The Significance of Pedestrian and Evacuation Dynamics

July 1, 2011

Author(s)

Erica D. Kuligowski

N/A

One-dimensional p-n heterojunctions of zinc oxide on gallium nitride: A structural characterization

July 1, 2011

Author(s)

Babak Nikoobakht, John E. Bonevich, Andrew A. Herzing

Recently we showed lateral growth of ZnO nanowires and nanowalls on single crystal GaN and formation of bi- and tri-directional assembly of nanowires and...

Weibull Regression Analysis of Filtered Surface Roughness Data and Strain Prediction in a Metallic Alloy

July 1, 2011

Author(s)

Joseph B. Hubbard, Mark R. Stoudt, Antonio Possolo

We fit a two-parameter Weibull regression (WR) model by maximum likelihood estimation (MLE) to filtered surface roughness data. These data were acquired by...

The potential of atomistic simulations and the knowledgebase of interatomic models (KIM)

July 1, 2011

Author(s)

E Tadmor, R Elliott, James P. Sethna, R Miller, Chandler Becker

N/A (invited opinion)

Investigation of Weak Interlayer Exchange Coupling in the GaMnAs/GaAs Superlattice with Insulating Nonmagnetic Spacers

July 1, 2011

Author(s)

Jae-Ho Chung, Young-Sang Song, Taehee Yoo, Sun-Jae Chung, Sanghoon Lee, Brian Kirby, X. Liu, J. K. Furdyna

A robust long-range antiferromagnetic coupling between ferromagnetic Ga 0.97Mn 0.03As layers has previously been realized via insertion of non-magnetic Be-doped...

A New Method for Evaluation of UNIFAC Interaction Parameters

July 1, 2011

Author(s)

Jeongwon Kang, Vladimir Diky, Robert D. Chirico, Joe W. Magee, Chris Muzny, Ilmutdin M. Abdulagatov, Andrei F. Kazakov, Michael D. Frenkel

A new method for obtaining UNIFAC group-group interaction parameters is proposed using evaluated thermophysical property data generated at the Thermodynamics...

Embedded Capacitive Displacement Sensor for Nanopositioning Applications

July 1, 2011

Author(s)

Svetlana Avramov-Zamurovic1, Nicholas Dagalakis, Rae Duk Lee, Jae M. Yoo, Seung H. Yang

The scale of nano objects requires very precise position determination. The state-of-the-art manipulators involve accurate nanometer positioning. The paper...

A Computational and Experimental Investigation of Thermal Desorption and Vapor Sampling in an Explosive Trace Detector

June 30, 2011

Author(s)

Matthew E. Staymates, Wayne Smith, Eric S. Windsor

Swipe-based explosive trace detectors rely on thermal desorption to vaporize explosive particles collected on a swipe. The vaporized material is carried by air...

The Multi-Relationship Evaluation Design Framework: Producing Evaluation Blueprints to Test Emerging, Advanced, and Intelligent Technologies

June 30, 2011

Author(s)

Brian A. Weiss, Linda C. Schmidt

This article introduces the Multi-Relationship Evaluation Design (MRED) framework whose objective is to take uncertain input data and automatically output...

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