Journals

Preparation and value assignment of Standard Reference Material 968c Fat-Soluble Vitamins, Carotenoids, and Cholesterol in Human Serum

March 1, 2001

Author(s)

Jeanice M. Brown Thomas, Margaret C. Kline, L M. Gill, James H. Yen, David L. Duewer, Lorna T. Sniegoski, Katherine E. Sharpless

Using BEES to Select Cost-Effective Green Products

March 1, 2001

Author(s)

Barbara C. Lippiatt, A Boyles

The BEES (Building for Environmental and Economic Sustainability) version 2.0 software implements a rational, systematic technique for selecting environmentall...

Four-Port Microwave Measurement System Speeds On-Wafer Calibration and Test

March 1, 2001

Author(s)

Dave K. Walker, Dylan F. Williams, Allen Padilla, Uwe Arz, Hartmut Grabinski

A multiport measurement system comprising a coaxial switch network and comprehensive freeware package extends the capabilities of a user's two-port automatic...

T-Shaped Quantum Wires in Magnetic Fields: Weakly Confined Magnetoexcitons Beyond the Diamagnetic Limit

March 1, 2001

Author(s)

Garnett W. Bryant, Y B. Band

Optical excitations of magnetoexcitons in T-shaped wires are calculated and compared with experiment. We find the single-particle states for electrons and holes...

Time Measurement at the Millennium

March 1, 2001

Author(s)

James C. Bergquist, Steven R. Jefferts, David J. Wineland

The latest clocks use a single ion to measure time with an anticipated precision of on part in 10 18

How to Succeed at High Speed Machining

March 1, 2001

Author(s)

Matthew A. Davies, Tony L. Schmitz, Brian S. Dutterer

This article summarizes the experiences at NIST in High Speed Machining (HSM) over the past four years. It is a general, non-technical article that describe the...

Slab Effects in SMRF Retrofit Connection Tests

March 1, 2001

Author(s)

S A. Civjan, M D. Engelhardt, John L. Gross

A series of six full-scale subassemblages were tested to investigate dogbone and haunch retrofits for pre-Northridge steel moment connections. Tests included...

Nanoindentation of Polymers: An Overview

March 1, 2001

Author(s)

Mark R. VanLandingham, John S. Villarrubia, William F. Guthrie, G F. Meyers

Indentation measurements made with atomic force microscopy (AFM) probes are relative measurements, largely due to the lack of information regarding the tip...

Suppression of Flux Jumps in Marginally Stable Niobium-Tin Superconductors

March 1, 2001

Author(s)

Ronald B. Goldfarb, Loren F. Goodrich, T Pyon, E. A. Gregory

Niobium-tin superconductor wires with coalesced filaments may have reduced adiabatic stability. Magnetization measurements on such marginally stable conductors...

SiC Power Diodes Provide Breakthrough Performance for a Wide Range of Applications

March 1, 2001

Author(s)

Allen R. Hefner Jr., Ranbir Singh, Jih-Sheng Lai, David W. Berning, Sebastien Bouche, Christophe C. Chapuy

The electrical performance of Silicon Carbide (SiC) diodes are evaluated and compared to commercially available Silicon (Si) diodes in the voltage range from...

NIST-Sponsored Interlaboratory Comparison of Polystyrene Molecular Mass Distribution Obtained by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry: Statistical Analysis

March 1, 2001

Author(s)

Charles M. Guttman, S Wetzel, William R. Blair, B M. Fanconi, Kathleen M. Flynn, R J. Goldschmidt, William E. Wallace, David L. VanderHart

Matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS) is becoming a new and important technique in synthetic polymer...

Nanoparticle Formation Within Dendrimer-Containing Polymer Networks: Route to New Organic-Inorganic Hybrid Materials

March 1, 2001

Author(s)

Franziska Grohn, Barry J. Bauer, G Kim, Eric J. Amis

Higher generation polyamidoamine (PAMAM) dendrimers have the unique ability to act as templates for the formation of inorganic nanoclusters. Here, we use...

Sub-Picowatt Precision Radiometry Using Superconducting Transition Edge Sensor Bolometers

March 1, 2001

Author(s)

James A. Chervenak, Erich N. Grossman, Carl D. Reintsema, Kent D. Irwin, S. H. Mosely, C. A. Allen

We describe a cryogenic radiometric calibration system suitable for high sensitivity, low power bolometers. The system uses a variable temperature blackbody...

Development of Low Cost (Sr, Ca)₃Al₂O₆ Dielectrics for Bi₂Sr₂CaCu₂O_8+δ Applications

March 1, 2001

Author(s)

Timothy J. Haugan, W. Wong-Ng, Lawrence P. Cook, Richard G. Geyer, H. J. Brown, L Swartzendruber, J. Kaduk

A Phase-Field Model for Highly Anisotropic Interfacial Energy

March 1, 2001

Author(s)

J J. Eggleston, Geoffrey B. McFadden, P W. Voorhees

A computationally efficient phase-field model is developed for two-phase systems with anisotropic interfacial energy. The approach allows for anisotropies...

Morphological Stability of a Binary Alloy: Thermodiffusion and Temperature-Dependent Diffusivity

March 1, 2001

Author(s)

S R. Vanaerenbergh, Sam R. Coriell, Geoffrey B. McFadden

The effect of the temperature dependent solute diffusion coefficient on the morphological stability of a binary alloy during directional solidification is...

The Interoperable Message Passing Interface (IMPI) Extensions to LAM/MPI

March 1, 2001

Author(s)

J M. Squyers, A Lumsdaine, William L. George, John G. Hagedorn, J E. Devaney

Interoperable Message Passing Interface (IMPI) is a protocol specification to allow multiple MPI implementations to cooperate on a single MPI job. Unlike...

Effects of Annealing on the Microstructure and Giant Magnetoresistance of Co-Cu-Based Spin Valves

March 1, 2001

Author(s)

M A. Mangan, G Spanos, Robert McMichael, P J. Chen, William F. Egelhoff Jr.

The effect of annealing on the microstructure and giant magnetoresistive properties of NiO/Co/Cu/Co bottom spin valves is investigated using the conventional...

Model of a Fiber-Optic Evanescent-Wave Fluorescence Sensor

March 1, 2001

Author(s)

D L. Woerdeman, Richard~undefined~undefined~undefined~undefined~undefined Parnas

A fiber-optic cure sensor based on evanescent wave fluorescence spectroscopy has been designed to probe the interphase region of glass-reinforced composites...

Thermal Conductivity and Thermal Diffusivity of Selected Oxide Single Crystals

March 1, 2001

Author(s)

A Stanimirovic, N M. Balzaretti, A Feldman, J Graebner

Values for the thermal conductivity k and the thermal diffusivity D of four oxide single crystals have been obtained. Near room temperature the values are...

Suppression of Lateral Phase Separation in Thin Polyolefin Blend Films

March 1, 2001

Author(s)

Y A. Akpalu, Alamgir Karim, Sushil K. Satija, N P. Balsara

The effectiveness of a compatibilizer in suppressing lateral phase separation in thin polyolefin blend films is investigated as a function offilm thickness and...

Studying the Buried Interfacial Region With an Immobilized Fluorescence Probe

March 1, 2001

Author(s)

Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, J H. VanZanten, Joy Dunkers, Richard~undefined~undefined~undefined~undefined~undefined Parnas

The properties of a buried epoxy / glass interfacial region were studied by covalently grafting a fluorescent probe to the glass surface. A dimethyl-amino...

Absolute Transition Rates for Transitions From 5p Levels in Kr II

March 1, 2001

Author(s)

Krzysztof Dzierzega, Ulf Griesmann, Gillian Nave, L Bratasz

Branching ratios were measured for 155 electric dipole transitions from 5p and 5p1 levels of singly ionized Kr between 200 nm and 2400 nm. Of these, 83 were...

Differential Scattering Dynamics of F + CH₄ -> HF(v,J) + CH₃ Via High-Resolution IR Laser Dopplerimetry

March 1, 2001

Author(s)

W W. Harper, S A. Nizkorodov, David Nesbitt

Produce recoil data from F+ CH 4 -> HF(v,J)+ CH 3 reactive scattering are obtained using crossed supersonic jets and narrow band (δv = 0.0001cm -1) IR laser...

Equilibrium Constant of the Reaction OH + HNO₃ } H₂O + NO₃ in Aqueous Solution

March 1, 2001

Author(s)

G A. Poskrebyshev, Pedatsur Neta, Robert E. Huie

The equilibrium reaction OH + HNO 3 } H 2O + NO 3 was investigated by pulse radiolysis in aqueous solutions. An estimate of the equilibrium constant was derived...

Mechanisms and Measurement of Oxidative Damage to DNA

March 1, 2001

Author(s)

M. Dizdaroglu, Pawel Jaruga, H Rodriguez

Free radicals are produced in cells by normal metabolism and by exogenous sources. These species cause oxidative damage to DNA and generate multiple products...

A Foundation for Interoperability in Next-Generation Product Development Systems

March 1, 2001

Author(s)

Simon Szykman, Steven Shooter, Steven J. Fenves, Walid Keirouz

U.S. industry spends billions of dollars as a result of poor interoperability between computer-aided engineering software tools. While ongoing standards...

On-Wafer Measurements of Nonlinear Effects in High Temperature Superconductors

March 1, 2001

Author(s)

James Booth, Leila R. Vale, Ronald H. Ono

We present the results of comprehensive on-wafer microwave probe station measurements of the nonlinear properties of coplanar waveguide devices patterned from...

Transition Edge Sensor Array Development

March 1, 2001

Author(s)

Steven Deiker, James A. Chervenak, Gene C. Hilton, Kent D. Irwin, John M. Martinis, Sae Woo Nam, David A. Wollman

NIST is fabricating multi-pixel arrays of our transition edge sensor (TES) microcalorimeter detectors for use in microanalysis and x-ray astrophysics. We have...

DC SQUID Series Array Amplifiers with 120 MHz Bandwidth

March 1, 2001

Author(s)

Martin Huber, Patricia A. Neil, R. G. Benson, D. A. Burns, A. M. Corey, C. S. Flynn, Y. Kitaygorodskaya, O. Massihzadeh, John M. Martinis, Gene C. Hilton

We report on the performance of dc SQUID (Superconducting Quantum Interference Device) series array amplifiers from dc to 500 MHz. The arrays consist of up...