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Conferences

Doping and Oxidation Effects in Raman Spectra of Manganites

April 10, 1999

Author(s)

V B. Podobedov, A Weber, G U. Dezanneau, S U. Pignard, J U. Kreizel, H U. Vincent

Raman scattering from La yR xMnO 3-δ compounds ( single crystals, ceramics, films) was studied as a function of kind (R) and amount (x) of dopant as well as of...

Preface to Materials Research Society 1999 Proceedings

April 5, 1999

Author(s)

H. R. Huff, Curt A. Richter, M. L. Green, G. Lucovsky

This Materials research society Proceedings contains 81 papers presented at the Ultrathin SiO 2 and High-K Materials for gate Dielectrics Symposium, held April...

Performance Measurement of Remote ATM Clusters

April 1, 1999

Author(s)

C Martin, Alan Mink, Wayne J. Salamon, Michael D. Indovina, M M. Courson

We investigate the configuration and performance of remote commodity computing clusters. This is the dynamic pooling of separate clusters into a single large...

Specimen Preparation for Scanning Electron Microscopy

April 1, 1999

Author(s)

Paul E. Stutzman, J R. Clifton

Microscopy plays an important role in the examination of cementitious materials. Optical and electron-optical techniques allow examination of microstructural...

Primary Acoustic Thermometer for Use Up to 800 K

April 1, 1999

Author(s)

Dean C. Ripple, Dana R. Defibaugh, Keith A. Gillis, Michael R. Moldover

Primary acoustic thermometers determine the thermodynamic temperature of a monatomic gas from measurements of the speed of sound in the gas. Here, we describe...

The Kilogram: Last remaining artifact

April 1, 1999

Author(s)

Zeina J. Kubarych

The unit of mass, the kilogram, is the last remaining basic unit defined by an artifact. Worldwide efforts are underway to replace the artifact-based definition...

Fractal Dimension of Particle Outlines: Meaning, Utility, Limitations, Standard Images and Examples

April 1, 1999

Author(s)

David S. Bright

Only a handful of shape parameters, such as aspect ratio and circularity, are in common use for characterizing individual microscopic particles. The fractal...

Calibration Standards and Uncertainties in Radar Cross Section Measurements

April 1, 1999

Author(s)

Lorant A. Muth

Standards for radar cross section measurements are being developed cooperatively by NIST and DoD scientists.

4-D/RCS Reference Model Architecture for Unmanned Ground Vehicles

April 1, 1999

Author(s)

James S. Albus

4-D/RCS is the reference model architecture currently being developed for the Demo III Experimental Unmanned Vehicle program. 4-D/RCS integrates the NIST...

The Crystallization Behavior of Polybutadiene-Polycaprolactone (PB-b-PCL) Semicrystalline Block Copolymer Films

April 1, 1999

Author(s)

G Kim, C L. Jackson, F V. Gyldenfeldt, M Libera, R Stadler, Charles C. Han

This work describes the effect of the spherulitic growth of lamellar crystals on the morphology of a diblock copolymer rich in crystallinecomponent. For this...

Near-Recoil-Limited Temperatures Obtained by Laser Trapping on the Narrow ¹S_o - ³P₁ Intercombination Transition of Neutral Strontium

April 1, 1999

Author(s)

K R. Vogel, Tim P. Dinneen, Alan Gallagher, J L. Hall

About 2 x 10 7 neutral strontium atoms have been loaded into a magneto-optical trap (MOT) that uses the narrow (7 kHz) intercombinationline at 689 nm as the...

Primary Acoustic Thermometry From 217 K to 303 K

April 1, 1999

Author(s)

Michael R. Moldover, S J. Boyes, A R. Goodwin, Christopher W. Meyer

We report new values for the difference (T T 90) between Kelvin thermodynamic temperatures T and ITS-90, the International Temperature Scale of 1990. The new...

Dense Wavelength-Division Multiplexing of Interferometrically Interrogated Fiber Bragg Grating Sensors

April 1, 1999

Author(s)

Kent B. Rochford, Shellee D. Dyer

We report accurate demultiplexing of fiber Bragg grating sensors with reflection wavelengths separated by less than 2 nm using a method based on Hilbert...

Model Tests to Investigate the Effects of Geometrical Imperfections on the NIST Calculable Capacitor

April 1, 1999

Author(s)

Anne-Marie Jeffery, Lai H. Lee, John Q. Shields

The calculable capacitor at National Institute of Standards and Technology (NIST) links the U.S. capacitance unit to the SI unit and has a relative standard...

¹⁹⁹Hg^+^ Optical Frequency Standard: Progress Report

April 1, 1999

Author(s)

R J. Rafac, B. A. Young, J. E. Cruz, James A. Beall, J. C. Bergquist, Wayne M. Itano, David J. Wineland

Temperature Imaging Measurements With a Two Wavelength Imaging Pyrometer

April 1, 1999

Author(s)

J E. Craig, D Lee, R A. Parker, Frank S. Biancaniello, Stephen D. Ridder

An innovative two-wavelength, imaging pyrometer with analysis software provides a method to monitor process uniformity, improve quality and reduce cost in...

Electro-Optic Kerr Effects in Optical Fiber Current Sensors

April 1, 1999

Author(s)

Allen Rose, Shelley M. Etzel, Kent B. Rochford

We discuss the influence of the electro-optic Kerr effect on optical fiber current sensors in a simulated Gas Insulated System environment.

Photon Statistics of Pulsed, Vertical-Cavity, Surface-Emitting Lasers

April 1, 1999

Author(s)

M. Beck, T. W. Garrison, David H. Christensen

For pulsed surface-emitting lasers, we have measured probability distributions for the total number of photons per puse and distributions for the orthogonal...

High bandwidth-efficiency RCE photodiodes operating at 800-850 nm wavelength

April 1, 1999

Author(s)

M. S. {Umlat}nl{umlat}, G. Ulu, M. Gvkkavas, N. Biyikli, I. Kimukin, E. Vzbay, Richard Mirin, Kristine A. Bertness, David H. Christensen

Sheet and Line Resistance of Patterned SOI Surface Film CD Reference Materials as a Function of Substrate Bias

April 1, 1999

Author(s)

Richard A. Allen, Eric M. Vogel, Loren W. Linholm, Michael W. Cresswell

Recently, NIST has been developing electrical test structures to serve as a critical dimension (CD) reference artifacts for calibrating CD metrology systems...

New Steam Properties Are Coming

April 1, 1999

Author(s)

J Bellows, J B. Sewell, Daniel G. Friend, Allan H. Harvey, Johanna Levelt Sengers, William T. Parry, Jan V. Sengers, H J. White

The IFC-67 Formulation for Industrial Use for the thermodynamic properties of water and steam (familiar to many from its implementation in the ASME Steam Tables...

Time-Resolved Ultrasonic Body Wave Measurements of Materials Anisotropy Using a Lensless Line-Focus Transducer

March 30, 1999

Author(s)

Nelson N. Hsu, Gerald V. Blessing, D Xiang

For plate-like sample geometries, a line-focus transducer can be used to detect back-reflected echoes through the thickness of the sample. The interaction of...

Advanced Fire Detection Using Multi-Signature Alarm Algorithms

March 16, 1999

Author(s)

D T. Gottuk, M J. Peatross, R J. Roby, C L. Beyler

The objective of this work was to assess the feasibility of reducing false alarms while increasing sensitivity through the use of combined conventional smoke...

Smoke Detector Response to Nuisance Aerosols

March 16, 1999

Author(s)

Thomas G. Cleary, William L. Grosshandler, Artur A. Chernovsky

The worth of a fire detector is determined as much by its ability not to respond to stimuli that are generated from non-threatening sources as to respond in a...

Fire Suppression Efficiency Screening Using a Counterflow Cylindrical Burner

March 15, 1999

Author(s)

Jiann C. Yang, Michelle K. Donnelly, N C. Prive, William L. Grosshandler

The design and validation of a counterflow cylindrical burner for fire suppression efficiency screening are described. The stability limits of the burner were...

Temperature Uncertainties for Bare-Bead and Aspirated Thermocouple Measurements in Fire Environments

March 14, 1999

Author(s)

William M. Pitts, E Braun, Richard D. Peacock, Henri E. Mitler, Erik L. Johnsson, Paul A. Reneke, L G. Blevins

Gas-phase temperature is the most ubiquitous measurement recorded in fire environments and plays a central role in understanding of fire behavior. Generally...

Measurements of Particle Formation in Flames Inhibited by Iron Pentacarbonyl

March 14, 1999

Author(s)

M D. Rumminger, Gregory T. Linteris

Certain metallic compounds have been found to be substantially more effective flame inhibitors than halogen-containing compounds. In particular, iron...

A Virtual Assembly Design Environment

March 13, 1999

Author(s)

Sankar Jayaram, Yong Wang, Uma Jayaram, Kevin W. Lyons, Peter F. Hart

The Virtual Assembly Design Environment (VADE) is a Virtual Reality (VR) based engineering application which allows engineers to evaluate, analyze, and plan the...

Managing Data-Types: The CORBA Approach and AutoMap/AutoLink, an MPI Solution

March 12, 1999

Author(s)

Martial Michel, A A. Schaff, J E. Devaney

There are many ways to create a distributed system, such as with Parallel Virtual Machine (PVM), PARMACS, p4, Message Passing Interface (MPI) and the Common...

Electronics Factory Integration: The National Electronics Manufacturing Initiative (NEMI) Factory Information Systems (FIS) Roadmap and Projects

March 1, 1999

Author(s)

Barbara L. Goldstein

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