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Introduction to ISO 10303 - The STEP Standard for Product Data Exchange

November 1, 2000

Author(s)

Mike Pratt

Since 1984 the International Organization for Standardization (ISO) has been working on the development of a comprehensive standard for the electronic exchange of product data between computer-based product life-cycle systems. Initial concentration has

Introduction to: Proceedings of ILAC 2000 Technical Conference for Laboratory Professionals

November 1, 2000

Author(s)

Belinda L. Collins

The biennial meeting of the International Laboratory Accreditation Cooperation, the ILAC 2000 Technical Conference, in Washington, DC, is co-hosted by NIST and various public and private sector organizations. The Proceedings include speakers' papers and

Investigation of Extinguishment by Thermal Agents Using Detailed Chemical Kinetic Modeling of Opposed Jet Diffusion Flames (NISTIR 6588)

November 1, 2000

Author(s)

William M. Pitts, L G. Blevins

Thermal fire-fighting agents are being investigated as potential replacements for halons which can no longer be manufactured due to their deleterious effects on stratospheric ozone. This work describes a detailed chemical kinetic modeling study of methane

Ion Fluxes and Energies in Inductively Coupled Radio-Frequency Discharges Containing C 2 F 6 and c-C 4 F 8

November 1, 2000

Author(s)

Yicheng Wang, Martin Misakian, Amanda N. Goyettes, James K. Olthoff

We report ion energy distributions (IEDs), relative ion intensities, and absolute total ion current densities at the grounded electrode of an inductively coupled Gaseous Electronics Conference radio-frequency (rf) reference cell for discharges generated in

Ion fluxes and Energies in Inductively Coupled Radio-Frequency Discharges Containing C2F6 and c-C4F8

November 1, 2000

Author(s)

Amanda N. Goyettes, Yicheng Wang, Martin Misakian, James K. Olthoff

Measurements of ion energy distributions relative ion intensities, and absolute total ion current densities were made at the grounded electrode of an inductively coupled Gaseous Electronics Conference (GEC) radio-frequency reference cell for discharges

Ionic Fluids Near Critical Points and at High Temperatures

November 1, 2000

Author(s)

Johanna M.H. Levelt-Sengers, Allan H. Harvey, S. Wiegand

Isochoric Heat Capacity Measurements for 2,2-Dichloro-1,1,1-Trifluoroethane (R123) at Temperatures from 167 to 341 K and 1-Chloro-1,2,2,2-Tetrafluoroethane (R124) from 94 to 341 K at Pressures to 35 MPa

November 1, 2000

Author(s)

Joe W. Magee

Isochoric P-r-T Measurements for 2,2-Dichloro-1,1,1-Trifluoroethane (R123) at Temperatures from 176 to 380 K and 1-Chloro-1,2,2,2-Tetrafluorethane (R124) from 104 to 400 K at Pressures to 35 Mpa

November 1, 2000

Author(s)

Joe W. Magee

The p-p-T relationships were measured for 2,2-dichloro-1,1,1-trifluoroethane (R123) and 1-chloro-1,2,2,2-tetrafluoroethane (R124) by an isochoric method with gravimetric determinations of the amount of substance. Temperatures ranged from 176 to 380 K for

Kinetic Isotope Effect Studies of the Reaction Catalyzed by Uracil DNA Glycosylase: Evidence for an Oxocarbenium Ion-Uracil Anion Intermediate

November 1, 2000

Author(s)

R M. Werner, J T. Stivers

The DNA repair enzyme uracil DNA glycosylase catalyzes the first step in the uracil base excision repair pathway, the hydrolytic cleavage of the N-glycosidic bond of deoxyuridine in DNA. Here we report kinetic isotope effect (KIE) measurements that have

Laser-Induced Fluorescence Study of Two Weak Vibrational Bands of the O + 2 A 2 Pi u - X 2 Pi g System

November 1, 2000

Author(s)

J Li, V M. Bierbaum, S R. Leone

Two weak vibrationa bands, the (8,0) and (8,1) bands of the O 2 + A 2II u - X 2II g System, are Characterized by Laser-Induced Fluorescence (LIF) for the First Time. Preliminary LIF Determinations on the O 2 + (v=0, 1) distributions from the reactions of

Lateral SiO x Tunnel Barrier Formation for Si-Based Tunnel Transistor Using Scanned Probe Oxidation

November 1, 2000

Author(s)

K Morimoto, K Morita, K Ohnaka, John A. Dagata

Tunneling transistors designed with a lateral tunnel barrier between source and drain electrodes have attracted much attention recently as an approach to silicon-compatible nanoelectronics (1). In order to realize this device, the lateral tunneling barrier

Lateral SiOx Tunnel Barrier Formation for Si-based Tunnel Transistor Using Scanned Probe Oxidation

November 1, 2000

Author(s)

K Morimoto, L Morita, K Ohnaka, John A. Dagata

Tunneling transistors designed with a lateral tunnel barrier between source and drain electrodes have attracted much attention recently as an approach to silicon-compatible nanoelectronics. In order to realize this device, the lateral tunneling barrier

LINDENS: A program for lineament length and density analysis

November 1, 2000

Author(s)

Antonio M. Casas, Angel Cortes, Adolfo Maestro, M. Asuncion Soriano, Andres Riaguas, Javier Bernal

Analysis of lineaments from satellite images normally includes the determination of their orientation and density. The spatial variation in the orientation and/or number of lineaments must be obtained by means of a network of cells, the lineaments included

Linewidth Intercomparison on a Polysilicon Sample

November 1, 2000

Author(s)

John S. Villarrubia, Andras Vladar, Michael T. Postek, Ronald G. Dixson

Not available.

MatML: XML for Materials Property Data

November 1, 2000

Author(s)

E F. Begley, C P. Sturrock

This paper will provide a high level overview of MatML, an extensible markup language (XML) for materials property data. MatML is being developed in order to address the problems of interpretation and interoperability that arise when these data are

Measures for Spectral Quality in Low-Voltage X-Ray Microanalysis

November 1, 2000

Author(s)

Dale E. Newbury

Characteristic x-ray production with energetic electrons depends strongly on the overvoltage, the ratio of the incident beam energy to the critical excitation energy for the atomic species of interest. Low voltage x-ray microanalysis (beam energy < 5 keV)

Microcalorimeter Energy Dispersive X-ray Spectrometer for Low Voltage Microanalysis

November 1, 2000

Author(s)

David A. Wollman, John M. Martinis, Sae Woo Nam, Gene C. Hilton, Kent D. Irwin, David A. Rudman, Norman F. Bergren, Steven Deiker, Martin Huber, Dale Newbury

Improved x-ray detector technology continues to be a critical metrological need in the semiconductor industry for contaminant particle analysis 1,2 and for high-spatial-resolution x-ray microanalysis using low-beam-voltage field-emission scanning electron

Modification of the Phase Stability of Polymer Blends by Fillers

November 1, 2000

Author(s)

Alamgir Karim, D W. Liu, Jack F. Douglas, A Nakatani, Eric J. Amis

We investigate the influence of surface modified filler particles on the phase stability of a model blend of polystyrene (PS) and polybutadiene (PB). The upper critical solution cloud point curve of PS/PB is destabilized (upward shift of critical

Molar Heat Capacity at Constant Volume of Trifluoromethane (R23) From the Triple-Point Temperature to 342 K at Pressures to 33 Mpa

November 1, 2000

Author(s)

Joe W. Magee, H Duarte

Molar heat capacities at constant volume (C v) of trifluoromethane (R23) have been measured with an adiabatic calorimeter. Temperatures ranged from the triple point to 342 K, and pressures up to 33.5 Mpa. Measurements were conducted on the liquid in

Molecular Dynamics of Solid-State Lysozyme as Affected by Glycerol and Water: A Neutron Scattering Study

November 1, 2000

Author(s)

A M. Tsai, Dan A. Neumann, Leonard N. Bell

Monte Carlo Simulation for Radiometric Temperature Measurement in Rapid Thermal Processing

November 1, 2000

Author(s)

Yong Zhou, Y J. Shen, Z M. Zhang, Benjamin K. Tsai, D P. DeWitt

This work employs a Monte Carlo method to study the radiative process in a rapid thermal processing (RTP) furnace. A true effective emissivity, accounting for the directional optical properties, is defined and predicted in order to determine the wafer

Morphological Stability of a Binary Alloy: Temperature-Dependent Diffusivity

November 1, 2000

Author(s)

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

The effect of the temperature dependence of the diffusion coefficient on the morphological stability of a binary alloy during directional solidification is treated by a linear stability analysis. The Soret effect is also included in the analysis. Specific

Network Management Under Incomplete Information on the Operational Environment

November 1, 2000

Author(s)

Vladimir V. Marbukh

This paper proposes an approach to network management under incomplete information on the operational environment. The approach employs a combination of the minimax and Bayes' methodologies for making network management decisions under uncertainty. As an

New Technology Enables Many-Fold Reduction in the Cost of Refreshable Braille Displays

November 1, 2000

Author(s)

John W. Roberts, Oliver T. Slattery, D W. Kardos, B Swope

By analysis of the primary cost factors for existing refreshable Braille displays, a team at NIST has pioneered a new technology that can reduce the cost of the electromechanical portions of a Braille display by an extremely large factor, and the overall

Observation of Optically Induced Feshbach Resonances in Collisions of Cold Atoms

November 1, 2000

Author(s)

F K. Fatemi, Kevin Jones, Paul D. Lett

We have observed optically-induced Feshbach resonances in a cold (

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