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Journals

Effects of High Temperature Annealing on the Dielectric Function of Ta₂O₅ Films Observed by Spectroscopic Ellipsometry

November 6, 2000

Author(s)

Nhan Van Nguyen, Curt A. Richter, Yong J. Cho, G A. Alers, L. A. Stirling

Post-deposition annealing of high-k dielectric Ta 2O 5 films to eliminate contaminations can adversely cause the films to crystallize, which can be detrimental...

Microarray Study of Temperature Dependent Sensitivity and Selectivity of Metal/Oxide Sensing Interfaces

November 5, 2000

Author(s)

J E. Tiffany, Richard E. Cavicchi, Stephen Semancik

Conductometric gas microsensors offer the benefits of ppm-level sensitivity, real-time data, simple interfacing to electronics hardware, and low power...

High Precision Experimental Tests of the Symmetrization Postulate for Fermions

November 1, 2000

Author(s)

John D. Gillaspy

Report of the Sub-Committee on Reference Materials

November 1, 2000

Author(s)

John A. Tesk

Since the last meeting of the subcommittee at The World Biomaterials Congress, there are several items related to sub-committee activities.1) Reference Material...

Transient Liquid-Phase Bonding in the Ni-Al-B System

November 1, 2000

Author(s)

Carelyn E. Campbell, William J. Boettinger

Transient liquid phase (TLP) bonding experiments were performed using a Ni-10.3 at. % Al alloy and a Ni-10 at. %B filler material and the results were compared...

Development and Application of Very High Temperature Mass Spectrometry: Vapor Pressure Determinations Over Liquid Refractories

November 1, 2000

Author(s)

John W. Hastie, D W. Bonnell, Peter K. Schenck

Existing thermodynamic and vaporization data for liquid refractories are based either on estimates or on data extrapolated from studies on the solids obtained...

Damage-Resistant Brittle Coatings

November 1, 2000

Author(s)

Brian R. Lawn, K S. Lee, Herzl Chai, Antonia Pajares, D K. Kim, S Wuttiphan, I M. Peterson, X Z. Hu

A conceptually new approach to the design of brittle coating structures on soft substrates, based on prevention of crack initiation rather than on customary...

Plastic Strain in Thermally Cycled Flip-Clip PBGA Solder Bumps

November 1, 2000

Author(s)

Elizabeth S. Drexler

Electron-beam Moire, a technique to measure dis-placements on the sub-micrometer scale, was used to observe and calculate strain in an underfilled, flip-chip...

Determination of the Dielectric Constant of Nanoparticles. I. Dielectric Measurements of Buckminsterfullerene Solutions

November 1, 2000

Author(s)

Chad R. Snyder, Jack F. Douglas

The static dielectric constant ε of buckminsterfullerene C 60 particles is determined in cis-decalin, toluene, and 1,2-dichlorobenzene using continuum models...

Evaluation of Two-Photon Exchange Graphs for Excited States of Highly Charged Heliumlike Ions

November 1, 2000

Author(s)

Peter J. Mohr, J Sapirstein

Energy shifts arising from two photo exchange graphs are calculated for N=2 triplet states of heliumlike ions and tabulated for the range of nuclear charges Z =...

Extension of the Binary-Encounter-Dipole Model to Relativistic Incident Electrons

November 1, 2000

Author(s)

Yong Sik Kim

Formulas for the total ionization cross section by electron-impact based on the binary-encounter-dipole (BED) model and its simpler version, binary-encounter...

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 (

Isochoric P-ρ-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...

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...

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...

Impact of XPS on Practical Industrial Problems and Needs for the Future

November 1, 2000

Author(s)

Cedric J. Powell

A summary is given of a panel discussion on the impact of x-ray photoelectron spectroscopy on practical industrial problems and needs for the future. This...

Flame Retardant Mechanism of Silica Gel/Silica

November 1, 2000

Author(s)

Takashi Kashiwagi, Jeffrey W. Gilman, Kathryn M. Butler, Richard H. Harris Jr., John R. Shields, A Asano

Various types of silica, silica gel, fumed silicas and fused silica were added to polypropylene and polyethylene oxide to determine their flame retardant...

Vapor¿Liquid¿Solid Phase Transitions in Aqueous Sodium Sulfate and Sodium Carbonate from Heat Capacity Measurements near the First Critical End Point: Part 2. Phase Boundaries

November 1, 2000

Author(s)

V. M. Valyashko, Ilmutdin Abdulagatov, Johanna M.H. Levelt-Sengers

International Comparison, Final Summary Report

November 1, 2000

Author(s)

James P. Randa

An international comparison of noise temperature of coaxial (GPC-7) sources at 2 GHz, 4 GHz and 12 GHz has been completed. Participating laboratories included...

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

Crossover SAFT Equation of State and Thermodynamic Properties of Propan-1-ol

November 1, 2000

Author(s)

S B. Kiselev, J F. Ely, Ilmutdin Abdulagatov, Joe W. Magee

Heat Capacity of NaNO₃(aq) in Stable and Supercooled States. Ion Association in the Supercooled Solution.

November 1, 2000

Author(s)

R W. Carter, Donald G. Archer

The heat capacity of NaNO 3(aq) from 0.1 to 10 mol.kg -1 was measured from 285 to 236 K, or lower temperatures, at 0.1 Mpa, with a differential scanning...

Atomic force microscope imaging of molecular aggregation during self-assembled monolayer growth

November 1, 2000

Author(s)

I. Doudevski, W. A. Hayes, John T. Woodward IV, D. K. Schwartz

Countermeasures for Mobile Agent Security

November 1, 2000

Author(s)

Wayne Jansen

Security is an important issue for the widespread deployment of applications based on agent technology. It is generally agreed that without the proper...

The Use of Digital Images to Determine Deformation Throughout a Microstructure. Part II: Application to Cement Paste

November 1, 2000

Author(s)

C M. Neubauer, Hamlin M. Jennings

This paper studies the role of age, w/c ratio, and curing temperature on the drying shrinkage of cement paste that occurred during drying in two large relative...

High Temperature Materials for Thin-Film Thermocouples on Silicon Wafers

November 1, 2000

Author(s)

Kenneth G. Kreider, John G. Gillen

We Have developed an instrumented calibration wafer for radiometric temperature measurements in rapid thermal processing (RPT) tools for semiconductor...

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...

Reference Values for the Sensitivity of Standard Accelerometers Used in Intercomparisons

November 1, 2000

Author(s)

David J. Evans, Stefan D. Leigh, Beverly F. Payne

The National Metrology Institutes (NMIs) of 5 countries in North America and South America participated in an interlaboratory comparison involving the...

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...

Phase Equilibria and Dielectric Behavior in the CaO:Al₂O₃:Nb₂O₅ System

November 1, 2000

Author(s)

Terrell A. Vanderah, W Febo, Julia Y. Chan, Robert S. Roth, J. M. Loezos, L D. Rotter, Richard G. Geyer, B A. Reisner, Dennis B. Minor

Subsolidus phase equilibria in the CaO:Al2O3:Nb2O5 system at 1325 C in air have been determined. One ternary phase forms, Ca2AlNbO6, which exhibits a perovskite...

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