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Journals

Knowledge-Intensive Collaborative Decision Support for Design Processes: A Hybrid Decision Support Model and Agent

September 10, 2008

Author(s)

XuanFang Zha, Ram D. Sriram, M Fernandez, F Mistree

This paper proposes a hybrid decision support model within a multi-agent framework to facilitate integration and collaboration for design decisions in decision...

Periodic Boundary Conditions for Demagnetization Interactions in Micromagnetic Simulations

September 7, 2008

Author(s)

Michael J. Donahue, Kristof M. Lebecki, M.W. Gutowski

A new method for the introduction of periodic boundary conditions to the selfmagnetostatic (demagnetization) term in micromagnetic simulations is described...

Matter-wave interference in Bose-Einstein condensates: A dispersive hydrodynamic perspective

September 6, 2008

Author(s)

Mark Hoefer, Jia J. Chang, Peter Engels

The interference pattern generated by the merging interaction of two Bose-Einstein condensates reveals the coherent, quantum wave nature of matter. An...

Experimental Implementation of Quantum Entanglement and Hyper-Entanglement With a Fiber-Based Two-Photon Source

September 5, 2008

Author(s)

Jun Chen, M D. Eisaman, Elizabeth A. Goldschmidt, Jingyun Fan, Alan L. Migdall

Identification of Active Gold Nanoclusters on Iron Oxide Supports for CO Oxidation

September 5, 2008

Author(s)

Andrew A. Herzing, Christopher J. Kiely, Albert F. Carley, Graham J. Hutchings

Gold nanocrystals absorbed on metal oxides have exceptional properties in oxidation catalysis, including the oxidation of carbon monoxide at ambient...

Multi-Step Relaxation in Equilibrium Self-Assembling Solutions: A General Model of Relaxation in 'Complex' Fluids

September 5, 2008

Author(s)

Evgeny B. Stukalin, Jack F. Douglas, Karl Freed

We examine the rheological and dielectric properties of a solution of equilibrium self-assembling particles that form polydisperse chains whose average length...

Potential energy surface for interactions between two hydrogen molecules

September 4, 2008

Author(s)

Allan H. Harvey, Konrad Patkowski, Wojciech Cencek, Piotr Jankowski, Krzysztof Szalewicz, Giovanni Garberoglio

Nonrelativistic clamped-nuclei energies of interaction between two ground-state hydrogen molecules with intramolecular distances fixed at their average value in...

Assignment, Fit, and Theoretical Discussion of the nu-10 Band of Acetaldehyde Near 509 cm^-1

September 4, 2008

Author(s)

I Kleiner, N Moazzen-Ahmadi, A R. McKellar, Thomas A. Blake, G Moruzzi, Jon T. Hougen

The lowest small-amplitude vibration in acetaldehyde (CH3CHO) is the in-plane aldehyde scissors mode ?10 at 509 cm?1. This mode lies about 100 cm?1 above the...

Dependence of the Critical Current of YBa₂Cu₃O7_-d Coated Conductors on In-Plane Bending

September 3, 2008

Author(s)

Daniel C. van der Laan, John (Jack) W. Ekin

A new method to measure the effect of in-plane bending on the critical current of YBa 2Cu 3O 7-d coated conductors is presented. Such bending mode can be...

External Magnetic Field Effects on a Distorted Kagome Antiferromagnet

September 2, 2008

Author(s)

J.-H. Kim, Sungdae Ji, S.-H. Lee, B. Lake, Taner N. Yildirim, H. Nojiri, H. Kikuchi, K. Habicht, Yiming Qiu, K. Kiefer

We report bulk magnetization, and elastic and inelastic neutron scattering measurements under an external magnetic field, H, on the weakly coupled distorted...

Quantification of Hydroxyl Content in Ceramic Oxides: A PGAA Study of BaTiO3

September 1, 2008

Author(s)

Rick L. Paul, Vahit Atakan, Chun-Wei Chen, Richard E. Riman

Thermo-gravimetric analysis (TGA) and Fourier Transform Infrared Spectroscopy (FTIR) techniques for water content determination were compared with a neutron...

Studies of the Distribution of Elementary Threading Screw Dislocations In 4H Silicon Carbide Wafer

September 1, 2008

Author(s)

David R. Black, Ning Zhang, M Dudley, X Huang, Y Chen

The density and sense distribution of elementary threading screw dislocations in a physical vapor transport grown 3-inch 4H silicon carbide wafer have been...

New Insight into NBTI Transient Behavior Observed from Fast-GM Measurements

September 1, 2008

Author(s)

Jason P. Campbell, Kin P. Cheung, John S. Suehle

Fast-IDVG measurements have become an increasingly important tool to examine MOSFET transient degradation. The threshold voltage (VTH) extracted from fast-IDVG...

Improved Performance of Schottky Diodes on Pendeo-Epitaxial Gallium Nitride

September 1, 2008

Author(s)

Lawrence H. Robins, T Zheleva, M Derenge, D Ewing, P Shah, K Jones, U Lee

We designed experiments to investigate the role of the dislocation density on the performance of Schottky diodes fabricated on GaN material grown conventionally...

The Use of GPS Disciplined Oscillators as Primary Frequency Standards for Calibration and Metrology Laboratories

September 1, 2008

Author(s)

Michael A. Lombardi

An increasing number of calibration and metrology laboratories now employ a Global Positioning System disciplined oscillator (GPSDO) as their primary standard...

Through-focus scanning optical microscope imaging method for nano-scale dimensional analysis

September 1, 2008

Author(s)

Ravikiran Attota, Richard M. Silver

We present a novel optical technique that produces nanometer dimensional measurement sensitivity using a conventional bright-field optical microscope, by...

Modeling of Photochemical Reactions in a Focused Laser Beam, II

September 1, 2008

Author(s)

Adolfas K. Gaigalas, Fern Y. Hunt, Lili Wang

A method is described for obtaining rate constants of photodegradation process of fluorophores illuminated by a focused laser beam. The explicit kinetic...

NIST Evaluates Fire Service Positive Pressure Ventilation Tactics In a Retired Educational Building

September 1, 2008

Author(s)

Stephen Kerber

Contributions of First-Principles Calculations to Understanding Structure-Property Relationships in Perovksites

September 1, 2008

Author(s)

Eric J. Cockayne

Method to Determine Collection Efficiency of Particles by Swipe Sampling

September 1, 2008

Author(s)

Jennifer R. Verkouteren, Jessica L. Staymates, Robert A. Fletcher, Wayne Smith, George A. Klouda, John G. Gillen

A methodology was developed to evaluate particle collection efficiencies from swipe sampling of trace residues. Swipe sampling is used for many applications...

An Accurate Capacitance-Voltage Measurement Method for Highly Leaky Devices

September 1, 2008

Author(s)

Yun Wang, Kin P. Cheung, Y.J. Choi, Byoung Hun Lee

Accurate CV measurement becomes extremely difficult in advanced CMOS technology due to high level of leakage across the gate dielectric. Recently, a new Time...

A Performance Evaluation of 90Y Dose Calibrator Measurements in Nuclear Pharmacies and Clinics in the United States

September 1, 2008

Author(s)

M K. Schultz, Jeffrey T. Cessna, J P. Norenberg, Tyler Anderson, J A. Ponto, N Petry, R J. Kowalsky, M R. Palmer, U F. Beinlich, C R. Divgi

The effect of interfacial roughness on the thin film morphology and charge transport of high performance polythiphenes

September 1, 2008

Author(s)

Yeon-Gil Jung, Regis J. Kline, Daniel A. Fischer, Eric K. Lin, Martin Heeney, Iain McCulloch

Delocalized Correlations in Twin Light Beams with Orbital Angular Momentum

August 29, 2008

Author(s)

Alberto M. Marino, Vincent Boyer, Raphael C. Pooser, Paul D. Lett, Kristin Lemons, Kevin Jones

We generate intensity-difference-squeezed Laguerre-Gauss twin beams carrying orbital angular momentum using 4-wave mixing (4WM) in a hot atomic vapor. The...

Input Impedance and Gain of a Gigahertz Amplifer Using a DC SQUID in a Quarter Wave Resonator

August 29, 2008

Author(s)

Lafe F. Spietz, Kent D. Irwin, Jose A. Aumentado

Due to their superior noise performance, SQUIDs are an attractive alternative to high electron mobility transistors for constructing ultra low noise microwave...

Trapped-Ion Quantum Logic Gates Based on Oscillating Magnetic Fields

August 29, 2008

Author(s)

Christian Ospelkaus, Christopher Langer, Jason Amini, Kenton R. Brown, Dietrich G. Leibfried, David J. Wineland

Oscillating magnetic fields and field gradients can be used to implement single-qubit rotations and entangling multi-qubit quantum gates for trapped-ion quantum...

Vortex-core states in superfluid Fermi-Fermi mixtures with unequal masses

August 28, 2008

Author(s)

Menderes Iskin

We analyze the vortex-core states of two-species (mass imbalanced) superfluid fermion mixtures as a function of two-body binding energy. In particular, we solve...

Classification of Microheterogeneity in Solid Samples using µXRF

August 28, 2008

Author(s)

John L. Molloy, John R. Sieber

Micro X-ray Fluorescence (µXRF) has been used to nondestructively investigate elemental heterogeneity by constructing two-dimensional maps of elemental...

Signature of magnetic phase separation in the ground state of Pr 1 − x Ca x MnO 3

August 27, 2008

Author(s)

Hao Sha, F Ye, Pengcheng Dai, J. A. Fernandez-Baca, D Mesa, Jeffrey Lynn, Y Tomioka, Y Tokura, Jiandi Zhang

Neutron scattering has been used to investigate the evolution of long- and short-range charge-ordered (CO), ferromagnetic, and antiferromagnetic (AF)...

Band offsets of atomic-layer-deposited Al2O3 on GaAs and the effects of surface treatment.

August 27, 2008

Author(s)

Nhan V. Nguyen, Oleg A. Kirillov, Weirong Jiang, Wenyong Wang, John S. Suehle, P. D. Ye, Y. Xuan, N. Goel, Kwang-Woo Choi, Wilman Tsai

In this letter we report the band offsets of the Al/Al2O3/GaAs structure determined by internal photoemission and spectroscopic ellipsometry. The energy barrier...

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