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Journals

Orientation of Platelets in Multilayered Nanocomposite Polymer Films

December 1, 2003

Author(s)

M M. Malwitz, Sheng Lin-Gibson, Erik K. Hobbie, Paul Butler, G Schmidt

The orientation of platelets in micron thick polymer-clay nanocomposite films was investigated by means of small-angle neutron scattering (SANS), small angle X...

Fracture of Ceramic/Ceramic/Polymer Trilayers for Biomechanical Applications

December 1, 2003

Author(s)

Y N. Deng, P Miranda, Antonia Pajares, Brian R. Lawn

Fracture damage in trilayers consisting of outer and inner brittle layers bonded to a compliant (polycarbonate) substrate and subjected to concentrated surface...

Nitrogen-Activated Bowing of Dilute In _yGa_1-yAs_{1- x}N_x Based on Photoreflectance Studies

December 1, 2003

Author(s)

M M. Fahmi, A Kahn, J A. Griffin, G L. Harris, Larry Robins, Anthony G. Birdwell, Youn S. Kang, D J. Smith, T Steiner, S N. Mohammad

The dependence of the fundamental band gap and higher-lying critical-point energies of dilute-nitrogen Ga 1-yIn yAs 1-xN x epilayers on nitrogen mole fraction...

Monolithic Multichannel Ultraviolet Detector Array and Continuous Phase Evolution in Mg(sub x) Zn(sub 1 - x)O Composition Spreads

December 1, 2003

Author(s)

I Tekeuchi, W Yang, K S. Chang, M A. Aronova, M Venkatesan, R D. Vispute, Leonid A. Bendersky

Influence of Interface Alloying on the Magnetic Properties of Co/Pd Multilayers

December 1, 2003

Author(s)

J Carrey, A. E. Berkowitz, William F. Egelhoff Jr., D J. Smith

An important issue concerning Co/Pd multilayers is the origin of their perpendicular anisotropy. One explanation is broken symmetry of Co atoms at the Co/Pd...

Long-Range Nature of Feshbach Molecules in Bose-Einstein Condensates

December 1, 2003

Author(s)

T K hler, T Gasenzer, Paul S. Julienne, K Burnett

We discuss the long range nature of the molecules produced in recent experiments on molecular Bose-Einstein condensation. The properties of these molecules...

Dechlorination of Polychlorinated Biphenyls in Industrial Transformer Oil by Radiolytic and Photolytic Methods

December 1, 2003

Author(s)

C G. Jones, Joseph Silverman, M I. Al-Sheikhly, Pedatsur Neta, Dianne L. Poster

Used electrical transformer oils containing low (nearly equal to} 95 g g -1) or high (>800,000 g g -1) concentrations of polychlorinated biphenyls (PCBs) were...

The ABRF-MIRG'02 Study: Assembly State, Thermodynamic, and Kinetic Analysis of an Enzyme/Inhibtor Interaction

December 1, 2003

Author(s)

D Myszka, Huixin He, F Arisaka, O Byron, Edward Eisenstein, P Hensley, J Thomson, C Lombardo, Frederick P. Schwarz, W Stafford, M Doyle

Fully characterizing the interactions involving biomolecules requires information on the assembly state, affinity, kinetics, and thermodynamics associated with...

Passively Mode-locked Glass Waveguide Laser with 14 fs Timing Jitter

December 1, 2003

Author(s)

John B. Schlager, Berton Callicoatt, Richard Mirin, Norman Sanford, David J. Jones, Jun Ye

Ultra-low jitter pulse trains are produced from a passively mode-locked erbium/ytterbium co-doped planar waveguide laser using high-bandwidth feedback control...

Wavelength and Temperature Performance of Polarization Transforming Fiber

December 1, 2003

Author(s)

Allen Rose, N. Feat, Shelley M. Etzel

We have theoretically and experimentally investigated an optical fiber with circular eigenmodes on one end and linear polarization modes on the other end. We...

Evolution of Deformation-Induced Surface Morphologies Developed on Fe-based Sheet Metal

November 25, 2003

Author(s)

Mark R. Stoudt, Stephen W. Banovic, T -. Quarrick

The complex strain states that exist within a real metal stamping are likely to generate different surface morphologies when compared to the same level of...

A Photoconductivity Technique for the Assessment of Pigment Reactivity

November 19, 2003

Author(s)

Joannie W. Chin, S J. Scierka, T Kim, Amanda L. Forster

Large volumes of titanium dioxide (TiO2) are utilized each year in coatings, sealants, plastics and paper for opacification and pigmentation purposes. It is...

Reversible axial-strain effect and extended strain limits in Y-Ba-Cu-O coatings on deformation-textured substrates

November 17, 2003

Author(s)

Najib Cheggour, John (Jack) W. Ekin, Cameron C. Clickner, D. T. Verebelyi, C. L. H. Thieme, Ron Feenstra, P Goyal

The dependence of transport critical-current density (J c) on axial tensile strain (ε) was measured at 76 K and self-magnetic field for YBa 2Cu 3O 7-δ (YBCO)...

Processing and Simulation of Consolidation of Amorphous Aluminum-Based Powder Material

November 16, 2003

Author(s)

Li Ma, Tony Zahrah, Richard J. Fields

Amorphous aluminum-based materials are light yet much stronger than conventional materials, which offers opportunities in aerospace applications. However...

Interaction Between Matrix Cracks in E-Glass/Epoxy 2 Dimensional Multi-Fiber Array Model Composites

November 15, 2003

Author(s)

Gale A. Holmes, Walter G. McDonough, Joy P. Dunkers, Charles C. Han

The interaction between fiber breaks in an E-Glass/Epoxy 2-D multifiber array that form matrix cracks during fiber fracture is presented. In contrast to the...

Hydrolysis of Cyclic Phosphates by Ribonuclease A: A Computational Study Using a Simplified Ab Initio Quantum Model

November 15, 2003

Author(s)

B Wladkowski, P Ostazeski, S A. Chenoweth, S J. Broadwater, Morris Krauss

The second step in the enzyme-catalyzed hydrolysis of phosphate esters by Ribonuclease A (Rnase A) was studied using an ab initio quantum-based model of the...

An XPS Study on the Effects of Pigment on the UV Degradation of an Epoxy System

November 14, 2003

Author(s)

S J. Scierka, Amanda L. Forster, Wendy E. Kosik, Jonathan W. Martin

X-ray photoelectron spectroscopy (XPS) is a powerful tool that has been used to monitor the changes in chemistry on the surface of many materials. In this study...

Using Bioinspired Thermally Triggered Liposomes for High-Efficiency Mixing and Reagent Delivery in Microfluidic Devices

November 11, 2003

Author(s)

Wyatt N. Vreeland, Laurie E. Locascio

A Comparison of Laser-Based and Conventional Calibrations of Sun Photometers

November 10, 2003

Author(s)

N Souaidia, C Pietras, G Fargion, R A. Barnes, R Frouin, Keith R. Lykke, Bettye C. Johnson, Steven W. Brown

The Dilogarithm Function for Complex Argument

November 8, 2003

Author(s)

L C. Maximon

This paper summarizes the basic properties of the Euler dilogarithm function, often referred to as the Spence function. These include integral representations...

Erratum: Comment on 'Analytic value of the atomic three-electron correlation integral with SlaterWave functions' [Phys. Rev. A 68, 016501 (2003]

November 6, 2003

Author(s)

James S. Sims, Stanley A. Hagstrom

In our Comment on Remiddi's Analytic value of the atomic three-electron correlation integral with SlaterWave functions the last eight digits in the Remiddi...

Three-photon destructive interference in ultraslow-propagation-enhanced four-wave mixing

November 4, 2003

Author(s)

Lu Deng, Marvin G. Payne

We show that although the efficiency of a multi-wave mixing process can be significantly enhanced by an ultra-slowly propagating pump wave, a three-photon...

100-GHz Cooled Amplifier Residual AM and PM Noise Measurements, Noise Figure and Jitter Calculations

November 1, 2003

Author(s)

David A. Howe, J R. Ostrick

We report the first definitive PM and AM noise mea-surements at 100 GHz of indium phosphide (InP) amplifiers oper-ating at 5 K, 77 K, and room temperature...

Finite-Element Modeling and Experimental Comparisons of the Effects of Deformable Ball Indenters on Rockwell B Hardness Tests

November 1, 2003

Author(s)

Li Ma, Samuel R. Low III, Jun-Feng Song

Significant differences occur in Rockwell B hardness (HRB) tests depending on whether the 1.588 mm diameter ball indenter that is used is made of steel and...

Phase Equilibria, Crystal Structures, and Dielectric Anomaly in the BaZrO₃-CaZrO₃ System

November 1, 2003

Author(s)

Igor Levin, T G. Amos, S M. Bell, L Farber, Robert S. Roth, Terrell A. Vanderah, B H. Toby

Phase equilibria in the (1-x)BaZrO 3-xCaZrO 3 system were analyzed using a combination of X-ray and neutron powder diffraction, and transmission electron...

Kinetics of Phase Separation and Crystallization in Poly(Ethylene-Ran-Hexene) and Poly(Ethylene-Ran-Octene)

November 1, 2003

Author(s)

G Matsuba, K Shimizu, Haonan Wang, Z G. Wang, Charles C. Han

The kinetics of phase separation and crystallization in the blends of poly(ethylene-co-hexene) (PEH) and poly(ethylene-co-octene) (PEOC) at several compositions...

Infrared Spectra of HOCO⁺ and of the Complex of H₂ With CO₂^- Trapped in Solid Neon

November 1, 2003

Author(s)

Marilyn E. Jacox, Warren E. Thompson

When a Ne:H 2:CO 2 =800:10:1 mixture is codeposited at 4.3 K with neon atoms that have been excited in a microwave discharge, the infrared spectrum of the...

Evaluation of the Hartree-Fock Dispersion (HFD) Model as Practical Tool for Probing Intermolecular Potentials of Small Aromatic Clusters: Comparison of the HFD and MP2 Intermolecular Potentials

November 1, 2003

Author(s)

Carlos A. Gonzalez, E C. Lim

The performance of the Hartree-Fock dispersion (HFD) model for aromatic clusters has been evaluated by comparing the HFD/6-31G intermolecular potentials with...

NIST Research Library Exhibits Treasures of Metric History

November 1, 2003

Author(s)

H Hassler

In celebration of National Metric Week (October 6-10, 2003), the NIST Research Library launched a new exhibit featuring important works on the history of the...

The Viscosity of Seven Gases Measured with a Greenspan Viscometer

November 1, 2003

Author(s)

John J. Hurly, Keith A. Gillis, J B. Mehl, Michael R. Moldover

We determined the viscosity of seven gases (Ar, CH4, C3H8, N2, SF6, CF4, C2F6) by interpreting frequency-response data from a Greenspan acoustic viscometer with...

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