Journals

The NIST Chemistry WebBook: A Chemical Data Resource on the Internet

September 1, 2001

Author(s)

Peter J. Linstrom, William G. Mallard

The NIST Chemistry WebBook (http://webbook.nist.gov) is an Internet site that provides access to chemical and physical property data both from NIST and other...

Solubilities of Cerium(IV), Terbium(III), and Iron(III) β-Diketonates in Supercritical Carbon Dioxide

September 1, 2001

Author(s)

W C. Andersen, R E. Sievers, A F. Lagalante, Thomas J. Bruno

Influence of Elastic-Electron Scattering on Measurements of Sillicon Dioxide Film Thicknesses by X-Ray Photoelectron Spectroscopy

September 1, 2001

Author(s)

Cedric J. Powell, Aleksander Jablonski

We investigate the systematic error due to neglet of elastic scattering of photoelectrons in measurements of the thicknesses of thin films of SiO 2 on Si by x...

Measuring the Ion Current in High-Density Plasmas Using Radio-Frequency Current and Voltage Measurements

September 1, 2001

Author(s)

Mark A. Sobolewski

The total current or flux of ions striking the substrate is an important parameter that must be tightly controlled during plasma processing. Several methods...

Temperature Measurement in Microfluidic Systems Using a Temperature-Dependent Fluorescent Dye

September 1, 2001

Author(s)

David J. Ross, Michael Gaitan, Laurie E. Locascio

A technique is described for the measurement of fluid temperatures in microfluidic systems based on temperature-dependent fluorescence. The technique is easy to...

Radiometric Characterization of Field Radiometers in Support of the 1997 Lunar Lake, Nevada, Experiment to Determine Surface Reflectance and Top-of-Atmosphere Radiance

September 1, 2001

Author(s)

Steven W. Brown, Bettye C. Johnson, Howard W. Yoon, James J. Butler, R Barnes, S F. Biggar, P R. Spyak, Kurtis J. Thome, E F. Zalewski, M Helmlinger, C J. Bruegge, S Schiller, G Fedosejevs, R Gauthier, S Tsuchida, S Machida

A continuing series of field campaigns to Lunar Lake, Nevada, has been established for the development of ground-truth measurement protocols and assessment of...

Effect of Single Mutations on the Specificity of Esherichia Coli FPG Protein for Excision of Purine Lesions From DNA Damaged By Free Radicals

September 1, 2001

Author(s)

O. Sidorkina, M. Dizdaroglu, J. Laval

The Formamidopyrimidine N-DNA glycosylase (Fpg protein) of Escherichia coli is a DNA repair enzyme that is specific for the removal of purine-derived lesions...

Neutral Polymers in the Nanopores of Alamethicin and Alpha-Hemolysin

September 1, 2001

Author(s)

S. M. Bezrukov, J. J. Kasianowicz

Calculating sequence-dependent melting stability of duplex DNA oligomers and multiplex sequence analysis by graphs

September 1, 2001

Author(s)

A. S. Benight, P. Pancoska, R. Owczarzy, Peter M. Vallone, J. Nesetril, P. V. Riccelli

Estimates of the Uncertainty of Radiative Heat Flux Caclulated From Total Heat Flux Measurements

September 1, 2001

Author(s)

Rodney A. Bryant, Erik L. Johnsson, Thomas J. Ohlemiller, C A. Womeldorf

As part of an effort to characterize the uncertainties associated with heat flux measurements in a fire environment, an uncertainty analysis example was...

Nanoparticle Engineering and Control of Tin Oxide Microstructures for Chemical Microsensor Applications

September 1, 2001

Author(s)

B Panchapakesan, Don L. DeVoe, M R. Widmaier, Richard E. Cavicchi, Stephen Semancik

The use of metal nanoparticles have been investigated as seed layers for controlling the microstructures of tin oxide (SnO 2) films on temperature controllable...

Linear Elastic Properties of 2-D and 3-D Models of Porous Materials Made From Elongated Objects

September 1, 2001

Author(s)

S D. Meille, Edward Garboczi

Porous materials are formed in nature and by man by many different processes. The nature of the pore space, which is usually the space left over as the solid...

S³E-E.COSY Methods for the Measurement of ¹⁹F Associated Scalar and Dipolar Coupling Constants

September 1, 2001

Author(s)

B. Luy, J J. Barchi, John Marino

A 1H-19F spin state selective excitation (S3E) pulse sequence element has been applied in combination with 1H homonuclear mixing to create E.COSY-type...

Specific Heat Capacity at Constant Volume for Water, Methanol and Their Mixtures at Temperatures From 300 K to 400 K and Pressures to 20 Mpa

September 1, 2001

Author(s)

T Kuroki, N Kagawa, H. Endo, S Tsuruno, Joe W. Magee

Specific heat capacities at constant volume (cv) of water, methanol and their mixtures were measured with a new adiabatic calorimeter experiment. The...

Influence of Particle Size and Solid Loading on the Determination of the Isoelectric Point (IEP) of Ceramics Powders by Different Methods

September 1, 2001

Author(s)

Hisashi Abe, M Naito, R Wasche, Vincent A. Hackley, Y Hotta

The isoelectric point is a material property for the characterization of acid-base behavior of the powder surface. The IEP of two alumina powders (AKP-30 Grade...

Distribution and Retention of ¹³⁷Cs in Sediments at the Hanford Site, Washington

September 1, 2001

Author(s)

J P. McKinley, Cynthia J. Zeissler, J M. Zachara, R J. Serne, Richard M. Lindstrom, H T. Schaef, R D. Orr

sium-137 and other contaminants have leaked from many of the single-shell storage tanks at the Hanford Site in southeastern Washington. The leakage was into...

Fracture of a Textured Anisotropic Ceramic

September 1, 2001

Author(s)

M H. Zimmerman, D M. Baskin, K T. Faber, Lin-Sien H. Lum, Andrew J. Allen, D T. Keane

The role of crystallographic texture in determining the fracture behavior of a highly anisotropic ceramic, iron titantate, has been examined. By exploiting the...

Hydrophobically Modified Dendrimers as Inverse Micelles: Formation of Cylindrical Multidendrimer Nanostructures

September 1, 2001

Author(s)

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

Poly(propyleneimine) dendrimers with stearyl end groups are investigated as inverse micelles in toluene. While the initial dendrimers have a spherical structure...

Microstructural Properties of (Ba,Sr)Ti0₃ Films Fabricated from BaF₂/SrF₂/Ti0₂ Amorphouse Multilayers Using the Combinatorial Precursor Method

September 1, 2001

Author(s)

Ichiro Takeuchi, K S. Chang, R P. Sharma, Leonid A. Bendersky, H C. Chang, X D. Xiang, E A. Stach, C Y. Song

We have investigated the microstructure of (Ba,Sr)Ti0 3 films fabricated from BaF 2/SrF 2/Ti0 2 amorphouse multilayers. Rutherford backscattering spectroscopy...

The Stability of Nb/Nb₅Si₃ Microlaminates at High Temperatures

September 1, 2001

Author(s)

D van Heerden, A J. Gavens, P R. Subramanian, Timothy J. Foecke, Timothy P. Weihs

The chemical, phase and microstructural stability of Nb/Nb 5Si 3 microlaminates was investigated at temperatures ranging from 1200 C to 1600 C. The...

Phase Equilibria of the SrO-Yb₂O₃-CuO_x System in Air

September 1, 2001

Author(s)

J Dillingham, Winnie Wong-Ng, Igor Levin

The phase diagram of the SrO-Yb 2O 3-CuO x system was investigated in air. The solid solution (Sr 14-xYb x)Cu 24O z (O 13Yb)Cu 24O z indicated that this phase...

Graded Microstructure and Mechanical Properties of Human Crown Dentin

September 1, 2001

Author(s)

W Tesch, Naomi Eidelman, P Roschger, F Goldenberg, K Klaushofer, P Fratzl

The mineralized tissue of intertubular dentin is a collagen-mineral composite with considerable local variations of mechanical properties. Area-scans of human...

Molecular Templating of Nanoporous Ultralow Dielectric Constant (approximate to 1.5) Organosilicates by Tailoring the Microphase Separation of Triblock Copolymers

September 1, 2001

Author(s)

S Y. Yang, P A. Mirau, C S. Pai, O Nalamasu, E Reichmanis, Eric K. Lin, V. J. Lee, D W. Gidley, J N. Sun

Triblock polymers, poly(ethylene oxide-b-propylene oxide-b-ethylene oxide) (PEO-b-PPO-b-PEO), are used as molecular templates in poly(methyl silsesquioxane)...

High-Throughput Characterization of Pattern Formation in Symmetric Diblock Copolymer Films

September 1, 2001

Author(s)

A P. Smith, Jack F. Douglas, J C. Meredith, Eric J. Amis, Alamgir Karim

Surface pattern formation in thin block copolymer films is investigated utilizing a high throughput methodology to validate the combinatorial measurement...

Measuring T_g in Ultra-Thin Polymer Films With an Excimer Fluorescence Technique

September 1, 2001

Author(s)

Christopher C. White, Kalman D. Migler, Wen-Li Wu

An excimer fluorescence technique has been applied to the measurement of T g of ultra-thin polystyrene films. This technique utilizes an excimer-forming...

Reactivity of Vibrationally Excited Methane on Nickel Surfaces

September 1, 2001

Author(s)

L Halonen, S Bernasek, David Nesbitt

Four-Dimensional variational calculations have been performed for modeling energy flow between CH 2 stretching vibrational energy statesas the molecule...

Calculations of Collisions Between Cold Alkaline-Earth-Metal Atoms in a Weak Laser Field

September 1, 2001

Author(s)

M Machholm, Paul S. Julienne, K A. Suominem

We calculate the light-induced collisional loss of laser-cooled and trapped magnesium atoms for detunings up to 50 atomic linewidths to the red of the 1S o- 1P...

Theoretical and Experimental Investigation of the Dynamics of the Production of CO for CH₃ + O and CD₃ + O Reactions

September 1, 2001

Author(s)

T P. Marcy, R R. Diaz, Dwayne E. Heard, S R. Leone, L B. Harding, S J. Klippenstein

Combined experimental and theoretical investigations of the title reactions are presented. Time-resolved Fourier transform infrared (FTIR) emission studies of...

Core-Hole-Electron Interaction in X-Ray Raman Scattering

September 1, 2001

Author(s)

J A. Soininen, K Hamalainen, W A. Caliebe, C C. Kao, Eric L. Shirley

This work applies a recently developed first-principles scheme for calculating core-excited states in solids tonon-resonant inelastic x-ray scattering. Within...

Defect Generation and Breakdown of Ultra-Thin Silicon Dioxide Induced by Substrate Hot Hole Injection

September 1, 2001

Author(s)

Eric M. Vogel, Monica D. Edelstein, John S. Suehle

Hole-induced bulk and interface defect generation and breakdown in ultra-thin oxide (