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Journals

Flux Pinning and Properties of Solid-Solution (Y,Nd)_1+xBa_2-xCu₃O_7-δ Superconductors

April 1, 2003

Author(s)

T J. Haugan, M E. Fowler, J C. Tolliver, Paul N. Barnes, Winnie K. Wong-Ng, Lawrence P. Cook

The effect of chemical composition variations on the flux pinning and physical properties of (Y,Nd)1+xBa2-xCu3O7-d superconductors was studied in powders...

Accelerator Aging Effects During Copper Electrodeposition

April 1, 2003

Author(s)

Thomas P. Moffat, B C. Baker, Daniel Wheeler, Daniel Josell

Slow sweep rate voltammetric analysis of the Cu/Cu(II) deposition reaction is shown to be an effective tool for examining aging effects associated with thiol...

High Resolution Infrared Studies of the Ņ2, Ņ4 Bands of ³⁴S ¹⁶O₃ Including Both Intensity and Wavenumber Perturbations

April 1, 2003

Author(s)

J Barber, Tony Masiello, E T. Chrysostom, J Nibler, A G. Maki, A Weber, Thomas A. Blake, R L. Sams

The infrared spectrum of the Ņ 2, Ņ 4 bending mode region of 34S-substituted sulfur trioxide, 34S 16O 3, has been recorded at a resolution of 0.0025 cm -1. The...

Electronic Properties of Quantum-Dot Molecules

April 1, 2003

Author(s)

W Jaskolski, M Zielinski, Garnett W. Bryant

We investigate the electronic structure of several double quantum dot systems: (I) hetero-dot artificial molecules built from two CdS chemically synthesized...

Optical Frequency Standards and Measurement

April 1, 2003

Author(s)

John L. Hall, Jun Ye

This paper celebrates the progress in optical frequency standards and measurement, won by the 40 years of dedicated work of world-wide teams working in...

Asymptotic Properties of Self-Energy Coefficients

April 1, 2003

Author(s)

U Jentschura, E O. LeBigot, Peter J. Mohr, Paul Indelicato, G Soff

We investigate the asymptotic properties of higher-order binding corrections to the one-loop self energy of excited states in atomic hydrogen. We evaluate the...

Optimizing the Fast Rydberg Quantum Gate

April 1, 2003

Author(s)

M S. Safronova, Carl J. Williams, Charles W. Clark

The fast phase gate scheme, in which the qubits are atoms confined in sites of an optical lattice, and gate operations are mediated by excitation of Rydberg...

Generalization of the Coupled Dipole Method to Periodic Structures

April 1, 2003

Author(s)

A Rahmani, Garnett W. Bryant, P C. Chaumet

We present a generalization of the coupled dipole method to the scattering of light by periodic structures.

An Investigation of the Reactivity of OH With Fluoroethanes: CH₃CH₂F (HFC-161), CH₂FCH₂F (HFC-152), and CH₃CHF₂ (HFC-152a)

April 1, 2003

Author(s)

S N. Kozlov, Vladimir L. Orkin, Michael J. Kurylo III

Rate constants for the reactions of OH radicals with fluoroethane, 1,2-difluoroethane, and 1,1-difuoroethane were measured using the flash photolysis resonance...

Instrumented Indentation and Ultrasonic Velocity Techniques for the Evaluation of Creep Cavitation in Silicon Nitride

April 1, 2003

Author(s)

Gerald V. Blessing, Sheldon M. Wiederhorn, W E. Luecke, Douglas T. Smith

Instrumented indentation and ultrasonic wave velocity techniques combined with precise density change measurements and transmission electron microscopy (TEM)...

Larger Value and SI Measurement of the Improved Cryogenic Capacitor for the Electron-Counting Capacitance Standard

April 1, 2003

Author(s)

Neil M. Zimmerman, Mahmoud A. El-Sabbagh, Yicheng Wang

We report on several advances in the development of a cryogenic vacuum-gap capacitor C_cryo, for use with the electron-counting capacitance standard (ECCS)...

Flame Retardant Mechanism of Silica - Effects of Molecular Weight of Resin

April 1, 2003

Author(s)

Takashi Kashiwagi, John R. Shields, Richard H. Harris Jr., Rick D. Davis

The effects of resin molecular weight, M w, on the flame retardant mechanism of silica were studied using two different molecular weights of PMMA, 122,000 g/mol...

Comparison of Reagents for Shape Analysis of Fixed Cells by Automated Fluorescence Microscopy

April 1, 2003

Author(s)

John T. Elliott, Alessandro Tona, Anne L. Plant

Background: Cell size and shape have been implicated as potentiators intracellular signaling events and as indicator of abnormal cell behavior. Automated...

Isostructural Self-Assembled Monolayers, Part 1. Octadecyl 1-thiaoligo(ethylene oxides)

April 1, 2003

Author(s)

David J. Vanderah, Richard S. Gates, Vitalii I. Silin, D N. Zeiger, John T. Woodward IV, Curtis W. Meuse, Gintaras Valincius, B Nickel

The self-assembled monolayers (SAMs) of a series of octadecyl 1-thiaoligo(ethylene oxide)x disulfides {[S(CH 2CH 2O) xC 18H 37] 2}, where x = 4 to 8, were...

Structure of the YibK methyltransferase from Haemophilus influenzae (HI0766): A cofactor bound at a site formed by a knot

April 1, 2003

Author(s)

Kap Lim, Huan Zhang, A Tempczyk, W Krajewski, N Bonander, J Toedt, A Howard, Edward Eisenstein, O Herzberg

Symmetrization of Ritz Approximation Functions for Vibrational Analysis of Trigonal Cylinders

April 1, 2003

Author(s)

Ward L. Johnson, Paul R. Heyliger

In the Ritz method of calculating vibrational normal modes, a set of finite series approximation functions provides a matrix eigenvalue equation for the...

CCEM-K2 Key Comparison of 10 Mohm and 1 Gohm Resistance Standards

April 1, 2003

Author(s)

Dean G. Jarrett, Ronald F. Dziuba

An international comparison of dc resistance at 10 Mohm and 1 Gohm was organized under the auspices of the Consultative Committee for Electricity and Magnetism...

Wind Speeds in ASCE 7 Standard Peak-Gust Map: Assessment

April 1, 2003

Author(s)

Emil Simiu, R Wilcox, Fahim Sadek, James J. Filliben

The ASCE 7 peak-gust map division of the conterminous United States into two adjacent wind speed zones does not reflect correctly the country's differentiated...

Wind Speeds in the ASCE 7 Standard Peak-Gust Map: An Assessment

April 1, 2003

Author(s)

Emil Simiu, R Wilcox, Fahim Sadek, James J. Filliben

The ASCE 7 peak-gust map division of the conterminous United States into two adjacent wind speed zones does not reflect correctly the country's differentiated...

Choosing a Cantilever for In Situ Atomic Force Microscopy

April 1, 2003

Author(s)

John T. Woodward IV

This manuscript is a non-peer reviewed, invited tutorial for Microscopy Today. It describes the issues involved in choosing a cantilever for atomic force...

A Statistical Model for Cladding Diameter of Optical Fibers

April 1, 2003

Author(s)

Chih-Ming Wang, Timothy J. Drapela

The National Institute of Standards and Technology has developed a contact micrometer for accurate measurement of optical-fiber outer diameter. The contact...

Fitting Nature's Basic Functions Part IV: The Variable Projection Algorithm

April 1, 2003

Author(s)

Bert W. Rust

A recurring theme in Internet network traffic analysis is that most observed data show characteristics of a long (heavy) right-tail distribution taking on...

Instrumented indentation and ultrasonic velocity techniques for the evaluation of creep cavitation in silicon nitride

April 1, 2003

Author(s)

Gerald V. Blessing, Douglas T. Smith, Sheldon M. Wiederhorn, W E. Luecke

Instrumented indentation and ultrasonic wave velocity techniques combined with precise density change measurements and transmission electron microscopy (TEM)...

Surface and Thin Film Analysis - A Compendium of Principles, Instrumentation, and Applications

April 1, 2003

Author(s)

Terrence J. Jach

Book review of Surface and Thin Film Analysis, (H. Bubert and H. Jenett, eds) published by Wiley-VCH, Weinheim, 2002.

The Bromine Doping of Polyacetylene

April 1, 2003

Author(s)

C. K. Chiang

The first doping experiment of polyacetylene performed by Chiang and Shirakawa in 1976 is described. The first successful doping experiment of polyacetylene...

Calculation of Ionic Diffusion Coefficients on the Basis of Migration Test Results

April 1, 2003

Author(s)

E Samson, J Marchand, Kenneth A. Snyder

Migration tests are now commonly used to estimate the diffusion coefficients of cement-based materials. Over the past decade, variousapproaches have been...

Primary Fibroblasts of Cockayne Syndrome Patients Are Defective in Cellular Repair of 8-Hydroxyguanine and 8-Hydroxyadenine Resulting From Oxidative Stress

April 1, 2003

Author(s)

J Tuo, Pawel Jaruga, H Rodriguez, V. Bohr, Miral M. Dizdar

Cockayne Syndrome (CS) is a genetic human disease with clinical symptoms that include neurodegeneration and premature aging. We show that primary fibroblasts...

Traction-Free Vibrations of Finite Trigonal Elastic Cylinders

April 1, 2003

Author(s)

Paul R. Heyliger, Ward L. Johnson

The unrestrained, traction-free vibrations of finite elastic cylinders with trigonal material symmetry are studied using two approaches, based on the Ritz...

Electrochemistry of Titanium and the Electrodeposition of Al-Ti Alloys in the Lewis Acidic Aluminum Chloride-1-Ethyl-3-Methylimidazolium Chloride Melt

April 1, 2003

Author(s)

T Tsuda, C L. Hussey, Gery R. Stafford, John E. Bonevich

The chemical and electrochemical behavior of titanium was examined in the Lewis acidic aluminum chloride-l-ethyl-3-methylimidazolium chloride (AlCl 3-EtMelmCl)...

XML for Capital Facilities

April 1, 2003

Author(s)

T L. Teague, Mark E. Palmer, R H. Jackson

Extensible Markup Language (XML) offers a promising enabling technology for improving the execution of capital projects and capital facility life cycle data...

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