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Journals

Microstructure and Chemistry of Non-Stoichiometric (Ba,Sr)TiO₃ Thin Films Deposited by Metalorganic Chemical Vapor Deposition

July 1, 2000

Author(s)

Igor Levin, Richard D. Leapman, Debra L. Kaiser

The microstructure and chemistry of (Ba,Sr)TiO 3 thin films deposited on Pt/SiO 2/Si substrates by metalorganic chemical vapor deposition were studied using

Fracture and the Structure of Silica

July 1, 2000

Author(s)

Stephen W. Freiman

Not only because of its historic and widespread use in applications where its strength and brittle nature are significant factors, but also because it is

Identification of Parameters in Multilayer Media

July 1, 2000

Author(s)

Edward Della Torre, R A. Fry, O Alejos, E Cardelli

Multilayer media are of increasing importance as magneto-optic and perpendicular media. The properties of successive layers evolve as the layers are epitaxially

Silicon Nitride Boundary Lubrication: Effect of Sulfonate, Phenate, and Salicylate Compounds

July 1, 2000

Author(s)

Richard S. Gates, Stephen M. Hsu

The boundary lubrication characteristics of sulfonates, phenates, and salicylates in a silicon nitride on silicon nitride contact were investigated. The

Effects of Bond Strength on Densification and Flow of Powder Compacts

July 1, 2000

Author(s)

R B. Clough, Richard J. Fields

Plastic flow surfaces for metal and metal/composite powder compacts with variable cohesive strength are derived using the Beltrami total strain energy criterion

Electrical Pulsing During Directional Solidification: Analysis of Transients by Laplace Transform

July 1, 2000

Author(s)

Sam R. Coriell, Geoffrey B. McFadden, B Billia, H N. Thi, Y Dabo

The effect of the instantaneous application of an electric current during the directional solidification of a binary alloy is considered. The initial state

Experimental Tests of Atomic Structure Calculations

July 1, 2000

Author(s)

Wolfgang L. Wiese

Emission experiments, performed at NIST and the Ruhr University, have provided sensitive tests of recent atomic structure calculations. Somewhat surprisingly

Analysis of Threshold Effects in Ultracold Atomic Collisions

July 1, 2000

Author(s)

F H. Mies, M -. Raoult

At the ultracold temperatures which occur in cold atom traps and Bose-Einstein condensates only a few partial waves contribute to the scattering of ground-state

Measurement of Roughness of Two Interfaces of a Dielectric Film by Scattering Ellipsometry

July 1, 2000

Author(s)

Thomas A. Germer

The polarization of light scattered by oxide films thermally grown on photolithographically-generated microrough silicon surfaces was measured as functions of

Measurement of Mirror Birefringence at the Sub-PPM Level: Proposed Application to a Test of QED

July 1, 2000

Author(s)

John L. Hall, Jun Ye, L -. Ma

We present detailed considerations on the achievable sensitivity in the measurement of birefringence using a high finesse optical cavity, emphasizing techniques

Optical Materials and Detector Characterization for 193 nm and 157 nm Lithography

July 1, 2000

Author(s)

John H. Burnett, R Gupta

We survey the optical materials and detector characterization issues relevant to 193 nm and 157 nm optical lithography for semiconductor microelectronics

Michelson Interferometry With 10 PM Accuracy

July 1, 2000

Author(s)

John R. Lawall, Ernest G. Kessler

We demonstrate a new heterodyne Michelson interferometer design for displacement measurements capable of fringe interpolation accuracy of one part in 36,000

An Electrically Substituted Bolometer as a Transfer Standard Detector

July 1, 2000

Author(s)

Joseph P. Rice

We have developed an electrically substituted bolometer (ESB) to serve as a portable transfer-standard detector over the full wavelength range from 200 nm to 20

Interferometric Technique for Engineering Indistinguishability and Entanglement of Photon Pairs

July 1, 2000

Author(s)

D A. Branning, W P. Grice, R Erdmann, L A. Walmsley

We give a detailed account of a new technique for suppressing distinguishing information in the space-time component of the state vector of a pair of photons

Plasma Oscillations and Expansion of an Ultracold Neutral Plasma

July 1, 2000

Author(s)

S Kulin, T C. Killian, S D. Bergeson, S L. Rolston

We report the observation of plasma oscillations in an ultracold neutral plasma. Using this collective mode, we probe the electron density distribution and

Comparison of the Levels of 8-Hydroxyguanine in DNA as Measured by Gas Chromatography-Mass Spectrometry Following Hydrolysis of DNA by Escherichia Coli Fpg Protein or Formic Acid

July 1, 2000

Author(s)

H Rodriguez, J Jurado, J Laval, M. Dizdaroglu

8-hydroxyguanine (8-OH-Gua) is one of many lesions generated in DNA by oxidative processes including free radicals. It is the most extensively investigated

Thermophysical Properties of Gaseous HBr and BCl₃ from Speed-of-Sound Measurements

July 1, 2000

Author(s)

John J. Hurly

The speed of sound in gaseous hydrogen bromide (HBr) and boron trichloride (BCl^3^) was measured using a highly precise acoustic resonance technique. The HBr

Diffusion Measurements Using ATR-FTIR Spectroscopy: Acetone Diffusion in Polypropylene - Use of Penetrant Fluid Pressure to Improve Sample / IRE Contact

July 1, 2000

Author(s)

X Yi, J Portnoy, J J. Pellegrino

In this article, we present a simple method for improving the contact between a film sample and the internal reflection element (or crystal) when diffusion into

In Situ Raman Spectroscopic Investigation of Aqueous Iron Corrosion at Elevated Temperatures and Pressures

July 1, 2000

Author(s)

James E. Maslar, Wilbur S. Hurst, Walter J. Bowers Jr., Jay H. Hendricks, M I. Aquino-Class

In situ Raman spectroscopy was employed to investigate iron corrosion in air-saturated water at a pressure of 25.1 MPa and temperatures from 21 to 537 C. Upon

Effect of Single Mutations in the OGG1 Gene Found in Human Tumors on the Substrate Specificity of the OGG1 Protein

July 1, 2000

Author(s)

M Audebert, J. P. Radicella, M. Dizdaroglu

We have investigated the effect of single amino acid substitutions of conserved arginines on the catalytic activities of the human Ogg1 protein (α-hOgg1-Ser 326

NCSL Pressure Comparison At 0.69 Mpa (100 psi) and 1.4 Mpa (200 psi)

July 1, 2000

Author(s)

Robert G. Driver, James W. Schmidt

The pressure and Vacuum Group at NIST has piloted a pressure comparison under the auspices of the Measurement comparison program committee for the NCSL. A 1.4

Biotechnology at NIST: Critical Measurements, Data and Standards for an Emerging Industry

July 1, 2000

Author(s)

G L. Gilliland

The Biotechnology Division is the focus of the NIST effort addressing measurement science and data needs for the emerging biotechnology industry. The Division

Toroidal Cross-Capacitor for Measuring the Dielectric Constant of Gases

July 1, 2000

Author(s)

T J. Buckley, J O. Hamelin, Michael R. Moldover

We describe toroidal cross capacitors built to accurately measure the dielectric constant of gases. We tested the capacitors by measuring the dielectric

Ni(ll) Specifically Cleaves the C-Terminal Tail of the Major Variant of Histone H2A and Forms an Oxidative Damage-Mediating Complex with the Cleaved-Off Octapeptide

July 1, 2000

Author(s)

W Bal, R Liang, J Lukszo, S Lee, M. Dizdaroglu, K S. Kasprzak

The Acetyl-TESHHK-amide peptide, modeling a part of the C-terminal tailof histone H2A, was found previously by us to undergo at pH 7.4 a Ni(II)-assisted

Manufacturing Planning and Execution Objects Foundation Interfaces

July 1, 2000

Author(s)

Shaw C. Feng

Process planning and manufacturing execution software systems provide two major functions in a product development cycle. Industries require the systems that

Quantum dot semiconductor optical amplifiers

July 1, 2000

Author(s)

Richard P. Mirin, D. J. Blumenthal

A new traveling-wave semiconductor optical amplifier using self-assembled quantum dots as the gain medium is proposed and analyzed. Cross-gain modulation is

Committee Reports for the 85th National Conference on Weights and Measures, July 16-20, 2000 Richmond, VA

July 1, 2000

Author(s)

G M. Ugiansky, J L. Land

The 85th annual meeting of the National Conference on Weights and Measures will be held in Richmond, VA, July 16-20, 2000. The theme of the Conference is Basic

Effect of Polydispersity on the Evolution of Density Fluctuations to Lamellar Crystals in Linear Polyethylene

July 1, 2000

Author(s)

Y A. Akpalu, Eric J. Amis

The effect of polydispersity on structure development in linear polyethylenes is studied by simultaneous real time small-angle x-ray scattering (SAXS) and wide

Microsegregation in Peltier Interface Demarcation

July 1, 2000

Author(s)

Y Dabo, H N. Thi, Sam R. Coriell, Geoffrey B. McFadden, Q Li, B Billia

Experimental results on solute microsegregation induced by Peltier Interface Demarcation (PID) technique during directional solidification of Bi-1 wt % Sb

Effect of Interfacial Layers on Wear Behavior of a Dental Glass-Ceramic

July 1, 2000

Author(s)

A Ravikiran, S Jahanmir

Wear studies on a glass-ceramic dental restorative material were performed under two types of lubrication conditions with distilled water. In one set of

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