Journals

In Situ Stress and Nanogravimetric Measurements During Underpotential Deposition of Pb on (111)-Textured Au

June 16, 2006

Author(s)

Gery R. Stafford, Ugo Bertocci

The surface stress associated with the underpotential deposition (upd) of lead on (111)-textured Au is examined, using the wafer curvature method, in acidic...

Quantum dots a versatile tool in plant science?

June 15, 2006

Author(s)

F. Mueller, A. Houben, Peter E. Barker, Yan Xiao, J. Kas, M. Melzer

Subsolidus Phase Relationships of the BaO-R2O3-CuOz (R=Eu, Dy, and Ho) Systems under Carbonate-Free Conditions at T = 810 ?C and pO2 = 100 Pa.

June 15, 2006

Author(s)

Winnie K. Wong-Ng, Zhi Yang, Lawrence P. Cook, Julia Frank, Mario Loung

For applications of phase equilibria to second-generation coated-conductor high Tc superconductor processing, phase diagrams constructed under carbonate-free...

X-Ray Topography for Fractography of Single-Crystal Components

June 15, 2006

Author(s)

David R. Black, George D. Quinn

X-ray diffraction topography, which is sensitive to local strain and/or crystallographic orientation, provides a unique view of single-crystal samples both...

Atom-based stabilization for laser-pumped atomic clocks

June 15, 2006

Author(s)

Vladislav Gerginov, V Shah, Svenja A. Knappe, Leo W. Hollberg, John E. Kitching

We describe a novel technique for stabilizing frequency shifts in laser-interrogated vapor-cell atomic clocks. The method suppresses frequency shifts due to...

Stable isotopic analysis of atmospheric methane by infrared spectroscopy by use of diode laser difference-frequency generation

June 10, 2006

Author(s)

M. E. Trudeau, Pin Chen, G de Andreade Garcia, Leo W. Hollberg, P P. Tans

An infrared absorption spectrometer has been constructed to measure the stable isotopic composition of atmospheric methane samples. The spectrometer employs...

Soft X-Ray Absorption Spectroscopy of the MgB₂ Boron K Edge in an MgB₂/Mg Composite

June 8, 2006

Author(s)

Daniel A. Fischer, A R. Moodenbaugh, Q Li, G Gu, Y Zhu, J W. Davenport, D O. Welch, H Su

Soft x-ray absorption (XAS), using fluorescence yield, was used to study the boron K near edge in MgB2 superconductor. The sample consists of MgB2 crystallites...

Correlating Molecular Design to Microstructure in Thermally Convertible Oligothiophenes: The Effect of Branched versus Linear End Groups

June 8, 2006

Author(s)

Dean M. DeLongchamp, Youngsuk Jung, Daniel A. Fischer, Eric K. Lin, P C. Chang, V Subramanian, A R. Murphy, J M. Frechet

The thin film microstructure development of functionalized oligothiophenes with branched, thermally removable groups at each end of conjugated cores with five...

Correlating molecular design to microstructure in thermally convertible oligothiophenes: the effect of branched versus Linear End Groups

June 8, 2006

Author(s)

Dean M. DeLongchamp, Yeon-Gil Jung, Daniel A. Fischer, Eric K. Lin, Paul C. Chang, V Subramanian, A R. Murphy, J M. Frecher

Energy Levels and Spectral Lines of Ne VIII

June 7, 2006

Author(s)

Alexander Kramida, M-C Buchet-Poulizac

All experimental data on the valence-shell-excited and inner-shell-excited spectra of Li-like neon, including previously unpublished beam-foil spectroscopy data...

Improvements in the Measurement of Distillation Curves - Part 1: A Composition-Explicit Approach

June 7, 2006

Author(s)

Thomas J. Bruno

The distillation (or boiling) curve of a complex fluid is a critically important indicator of the bulk behavior or response of the fluid. For this reason, the...

Improvements in the Measurement of Distillation Curves - Part 2: Application to Aerospace/Aviation Fuels RP-1 and S-8

June 7, 2006

Author(s)

Thomas J. Bruno, Beverly L. Smith

In a previous paper, a number of improvements in the method and apparatus used for the measurement of distillation curves for complex hydrocarbon fluid mixtures...

Solution and Surface Composition Gradients via Microfluidic Confinement: Fabrication of a Statistical-Copolymer-Brush Composition Gradient

June 6, 2006

Author(s)

Chang Xu, Susan E. Barnes, Tao Wu, Daniel A. Fischer, Dean M. DeLongchamp, J Batteas, Kathryn L. Beers

A simple method to generate solution gradients through microfluidic confinement is described. The solution gradient inside a microchannel was formed by varying...

An Octagonal Architecture for High Strength PIT Nb₃Sn Conductors

June 6, 2006

Author(s)

L. R. Motowidlo, E Barzi, D. Turrioni, Najib Cheggour, Loren F. Goodrich

Powder-in-Tube (PIT) Nb 3Sn conductors have been fabricated utilizing a low-cost intermetallic Cu 5Sn 4 powder as the tin source. A novel octagonal PIT design...

Kinetics Governing Phase Separation of Nanostructured Sn(x)Ge(1a 'x) Alloys.

June 5, 2006

Author(s)

Regina Regan, Harry A. Atwater, Jonathan E. Guyer, Erik Meserole, Mark S. Gorrsky

We have studied the dynamic phenomenon of SnxGe1a 'x/Ge phase separation during deposition by molecular beam epitaxy on Ge(001) substrates.Phase-separation...

Nature of the Transient BaF2-Related Phases in the -BaF2- Processing of Ba2YCu3O7-x Superconductors

June 3, 2006

Author(s)

Winnie K. Wong-Ng, Lawrence P. Cook, Ron Feenstra

Critical Nucleus Phase Diagram for the Cu(100) Surface

June 1, 2006

Author(s)

Joshua M. Pomeroy, Joel D. Brock

An experimental exploration of island nucleation dynamics during epitaxial film growth on the Cu(100) surface is presented that connects previous results from...

Magnetometry with millimeter-scale anti-relaxation-coated alkali-metal vapor cells

June 1, 2006

Author(s)

M V. Balabas, D Budker, John E. Kitching, P Schwindt, Jason Stalnaker

Dynamic nonlinear magneto-optical-rotation signals with frequency- and amplitude-modulated laser light have been observed and investigated with a spherical...

On the Risk of False Positive Identification Using Multiple Ion Monitoring in Qualitative Mass Spectrometry: Large-Scale Intercomparisons With a Comprehensive Mass Spectral Library

June 1, 2006

Author(s)

Stephen E. Stein, David N. Heller

Analysts involved in qualitative mass spectrometry have long debated the minimum data requirements for demonstrating that signals from an unknown sample are...

NIST Station Nightclub Fire Investigation: Physical Simulation of the Fire

June 1, 2006

Author(s)

Daniel M. Madrzykowski, Nelson P. Bryner, Stephen Kerber

A fire occurred on the night of February 20, 2003, at The Station Nightclub located in West Warwick, Rhode Island. A band that was performing that night, during...

Biomarkers Signal Contaminant Effects on the Organs of English Sole (Parophrys vetulus) from Puget Sound

June 1, 2006

Author(s)

D. C. Malins, K. M. Anderson, J. J. Stegeman, Pawel Jaruga, V. M. Green, N. K. Gilman, M Miral Dizdar

Structural alterations in breast stromal and epithelial DNA: the influence of 8,5'-cyclo-2'-deoxyadenosine

June 1, 2006

Author(s)

K. M. Anderson, Pawel Jaruga, C. R. Ramsey, N. K. Gilman, V. M. Green, S. W. Rostad, J. T. Emerman, M Miral Dizdar, D. C. Malins

(5'S)-8,5'-Cyclo-2'-deoxyadenosine (S-cdA), which arises from the reaction of the hydroxyl radical (*OH) with 2'-deoxyadenosine in DNA, is a lesion comprising a...

Enzyme Activity to Augment the Characterization of Tethered Bilayer Membranes

June 1, 2006

Author(s)

Gintaras Valincius, Duncan J. McGillivray, W. Febo-Ayala, David J. Vanderah, John J. Kasianowicz, Mathias Losche

The structural order of tethered lipid bilayers (tBLMs) on solid substrates, investigated with electrochemical impedance spectroscopy (EIS) and neutron...

Visualization of a quantum dot

June 1, 2006

Author(s)

Howard Hung

Preparation and Characterization of a Suite of Ephedra-Containing Standard Reference Materials

June 1, 2006

Author(s)

Katherine E. Sharpless, D L. Anderson, J. M. Betz, Therese A. Butler, S. G. Capar, J. Cheng, C. Fraser, M. L. Gay, G. Gardner, D W. Howell, T. Ihara, J. W. Lam, Stephen E. Long, M. McCooeye, Elizabeth A. Mackey, W. R. Mindak, S. Mitvalsky, Karen E. Murphy, Karen W. Phinney, A. NguyenPho, Barbara J. Porter, M. C. Roman, Lane C. Sander, Mary B. Satterfield, C. Scriver, R. E. Sturgeon, Jeanice M. Brown Thomas, Robert D. Vocke Jr., Stephen A. Wise, Laura J. Wood, L. Yang, James H. Yen, G. C. Ziobro

Special Issue on Collaborative Engineering

June 1, 2006

Author(s)

Ram D. Sriram, Simon Szykman, D Durham

Design of complex engineering systems is increasingly becoming a collaborative task among designers or design teams that are physically, geographically, and...

Representation of Heterogeneous Material Properties in the Core Product Model

June 1, 2006

Author(s)

Arpan Biswas, Steven J. Fenves, V Shapiro, Ram D. Sriram

The Core Product Model (CPM) was developed at NIST as a high level abstraction for representing product related information, to support data exchange, in a...

New Technique for Visualizing Microboiling Phenomena and Its Application to Water Pulse Heated by a Thin Metal Film

June 1, 2006

Author(s)

C Avedisian, Richard E. Cavicchi, Michael J. Tarlov

This paper presents a new method for photographing fast transient microscale processes with illustration by the liquid-to-vapor phase change process, with...

Power Control in Multihop CSMA

June 1, 2006

Author(s)

Hamid Gharavi, Bo Yan

We have implemented a quantum key distribution (QKD) system with polarization encoding at 850 nm over 1 km of optical fiber. The high-speed management of the...

Nature of the Breakdown in the Stokes-Einstein Relationship in a Hard Sphere Fluid

June 1, 2006

Author(s)

S K. Kumar, Grzegorz Szamel, Jack F. Douglas

Molecular Dynamics simulations of high density hard sphere fluids clearly show a breakdown of the Stokes-Einstein equation (SE). This result has been...