Journals

Subsolidus Phase Equilibria and Crystal Chemistry in the System BaO-TiO₂-Ta₂O₅

January 1, 2003

Author(s)

Terrell A. Vanderah, Robert S. Roth, T Siegrist, W Febo, J. M. Loezos, Winnie K. Wong-Ng

Subsolidus phase relations have been determined for the BaO: TiO 2Ta 2O 5 system. Approximately 100 specimens were prepared in air at temperatures near but...

Friction and Adhesion Measurements Between a Fluorocarbon Surface and a Hydrocarbon Surface in Air

January 1, 2003

Author(s)

P M. McGuiggan

In this abstract, we report the first measurements of the friction between a fluorocarbon monolayer and a hydrocarbon monolayer. Because the fluorocarbon and...

Measuring the Mechanical Properties of a Thin Polymeric Film by AFM

January 1, 2003

Author(s)

P M. McGuiggan, D J. Yarusso

The atomic force microscope is used to measure the tan delta (loss modulus/storate modulus) of a thin film of poly(n-butylacrylate) as a function of frequency...

Techniques for Combinatorial and High-Throughput Microscopy. Part 1: Gradient Specimen Fabrication for Polymer Thin Films Research

January 1, 2003

Author(s)

A Sehgal, Alamgir Karim, Christopher M. Stafford, Michael J. Fasolka

Combinatorial and high-throughput (C&HT) approaches accelerate research by addressing multiple experimental parameters in a parallel highly efficient fashion...

Droplet-String Deformation and Stability During Microconfined Shear Flow

January 1, 2003

Author(s)

Jai A. Pathak, Kalman D. Migler

The Influence of Shearing Parameters on the Frictional Forces Measured Between Polymer Brushes

January 1, 2003

Author(s)

Aaron M. Forster, S. M. Kilbey

Polymer brushes have potential as end-tethered lubricants. Brush layers immersed in a good solvent must be compressed to ~16% of their equilibrium height before...

Sympathetic cooling of ⁹Be⁺ and ²⁴Mg⁺ for quantum logic

January 1, 2003

Author(s)

Murray D. Barrett, B. L. DeMarco, T Schaetz, Dietrich Leibfried, Joseph W. Britton, J Chiaverini, Wayne M. Itano, Branislav M. Jelenkovic, John D. Jost, Christopher Langer, Till P. Rosenband, David J. Wineland

We demonstrate the cooling of a two species ion crystal consisting of one 9Be+ and one 24Mg+ ion. Since the respective cooling transitions of these two species...

Seam-Free Fabrication of Sub-Micrometer Copper Interconnects by Iodine-Catalyzed Chemical Vapor Deposition

January 1, 2003

Author(s)

S G. Pyo, S D. Kim, Daniel Wheeler, Thomas P. Moffat, Daniel Josell

Kinetic parameters from studies of deposition on planar deposits are used to predict superconformal filling of fine features during iodine-catalyzed chemical...

Response of chromium-doped alumina screens to soft x rays using synchrotron radiation

January 1, 2003

Author(s)

James K. McCarthy, Uwe Arp, A Baciero, B Zurro, B A. Karlin

Numerical Investigations of CO₂ as Fire Suppressing Agent

January 1, 2003

Author(s)

V Katta, F Takahashi, Gregory T. Linteris

Understanding suppression mechanisms of different fire-suppressing agents including CF 3Br (Halon 1301) and inert gases is useful for their efficient use and...

Extinction Characteristics of Cup-Burner Flame in Microgravity

January 1, 2003

Author(s)

V Katta, F Takahashi, Gregory T. Linteris

Carbon dioxide extinguishes flames through dilution process. The extinction characteristics of CO2 were previously studied using a cup-burner flame under normal...

Two-Beam Diffraction Patterns From Transverse Self-and Cross-Phase Modulation in a Nonlinear Medium

January 1, 2003

Author(s)

R Gealy, Kevin Jones, M Trippenbach, Eite Tiesinga, Paul D. Lett

The well-known diffraction rings resulting from spatially-varyingself-phase modulation in a nonlinear medium can be dramaticallyaltered in a partially...

Structural Alterations of the Heme Environment of Cytochrome P450cam and the Y96F Mutant as Deduced by Resonance Raman Spectroscopy

January 1, 2003

Author(s)

G Niaura, Vytas Reipa, M P. Mayhew, Marcia J. Holden, V L. Vilker

Resonance Raman spectroscopy at 2.5 cm-1 resolution was used to probe differences in wild type and Y96F mutant P450cam (CYP101), both with and without bound...

Quenched narrow-line second- and third-stage laser cooling of ⁴⁰Ca

January 1, 2003

Author(s)

E A. Curtis, Christopher W. Oates, Leo W. Hollberg

NIST-NPL Comparison of Mid-infrared Regular Transmittance and Reflectance

January 1, 2003

Author(s)

C J. Chunnilall, F J. Clarke, Leonard Hanssen, Simon G. Kaplan, M P. Smart

Influence of Layered-Silicates on the Phase Separated Morphology of PS

January 1, 2003

Author(s)

K Yurekli, Alamgir Karim, Eric J. Amis, R Krishnamoorti

The influence of added nanometer thick layered-silicates on the phase-separated morphology of a near critical blend of PS and PVME was examined. Thin films of...

Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) for High-Throughput Characterization of Bio-Surfaces

January 1, 2003

Author(s)

S V. Roberson, A Sehgal, Albert J. Fahey, Alamgir Karim

In this approach, a coated polymer film was exposed to UV-ozone treatment through a variable density filter, producing a surface energy gradient with a...

Molecular Mass Determination of Saturated Hydrocarbons: Reactivity of eta-⁵-Cyclopentadienylcobalt Ion (CpCo. +) and Linear Alkanes up to C-30

January 1, 2003

Author(s)

H M. Byrd, Kathleen M. Flynn, D P. Ridge

The present study demonstrates the feasibility of the h 5-cyclopentadienylcobalt ion (CpCo +) as a suitable cationization reagent for saturated hydrocarbons...

Effect of transverse compressive stress on transport critical current density of Y-Ba-Cu-O coated Ni and Ni-W RABiTS tapes

January 1, 2003

Author(s)

Najib Cheggour, John (Jack) W. Ekin, Cameron C. Clickner, Ron Feenstra, P Goyal, D F. Paranthaman, Noel Rutter

Transport properties of yttrium-barium-copper-oxide (YBCO) coatings on both pure-nickel and nickel-3at%tungsten rolling-assisted-biaxially-textured substrates...

Reactive epitaxy of beryllium on Si(1 1 1)-(7 x 7)

January 1, 2003

Author(s)

Dustin Hite, Shu-Jung Tang, Phillip T. Sprunger

Scanning tunneling microscopy (STM) and photoelectron spectroscopy (PES) have been used to investigate the nucleation, growth, and structure of beryllium on Si...

Consideration of possible mass and velocity corrections to magnetic experiments

January 1, 2003

Author(s)

Z. Y. Liu, P. A. Dowben, A P. Popov, David P. Pappas

Gadolinium occurs, in natural abundance, as several isotopes. The possible combinations of different gadolinium isotopes dictates that even for a fixed number...

Ultrawideband Time- and Frequency-Domain Characterization of EMC Facilities

January 1, 2003

Author(s)

David R. Novotny, Robert T. Johnk, Claude Weil, Seturnino Canales

We have developed a methodology to determine the quality of an EMC test facility using equipment generally available to RF testing services. By utilizing both...

Instrumented Indentation and Ultrasonic Velocity Techniques for the Evaluation of Creep Cavitation in Silicon Nitride

January 1, 2003

Author(s)

F Lofaj, Douglas T. Smith, Gerald V. Blessing, William E. Luecke, Sheldon M. Wiederhorn

Instrumented indentation and ultrasonic wave velocity techniques combined with precise density change measurements and transmission electron microscopy (TEM)...

Reaction Kinetics and Gel Properties of Blocked Diisocyanate Cross-Linked Chitosan Hydrogels

January 1, 2003

Author(s)

Sheng Lin-Gibson, H J. Walls, S B. Kennedy, E R. Welsh

Shear-Induced Mesostructure in Nanoplatelet-Polymer Networks

January 1, 2003

Author(s)

Sheng Lin-Gibson, G Schmidt, H W. Kim, Charles C. Han, Erik K. Hobbie

Chitosan Hydrogels Crosslink Kinetics and Gel Properties

January 1, 2003

Author(s)

Sheng Lin-Gibson, H J. Walls, S B. Kennedy, E R. Welsh

Cure kinetics and network properties of biocompatible hydrogels prepared by the reaction of chitosan and a water soluble blocked diisocyanate have been measured...

MALDI-TOF MS Characterization of Covalently-Cationized Polymers

January 1, 2003

Author(s)

H M. Byrd, Sheng Lin-Gibson, S Bencherif, David L. VanderHart, Barry J. Bauer, B M. Fanconi, Charles M. Guttman, William E. Wallace

Decoherence-driven cooling of a degenerate spinor Bose gas

January 1, 2003

Author(s)

H J. Lewandowski, J M. McGuirk, D M. Harber, Eric A. Cornell

Diffusion Barrier Cladding in Si/SiGe Resonant Interband Tunneling Diodes and Their Patterned Growth on PMOS Source/Drain Regions

January 1, 2003

Author(s)

N Jin, A T. Rice, P R. Berger, P E. Thompson, C Rivas, R Lake, S Sudirgo, J J. Kempisty, B Curanovic, S L. Rommel, K D. Hirschman, S K. Kurinec, P Chi, David S. Simons, S.J. Chung

Si/SiGe resonant interband tunnel diodes (RITD) employing delta-doping spikes that demonstrate negative differential resistance (NDR) at room temperature are...

Small-angle Neutron Scattering Analysis of Blends with Very Strong Intermolecular Interactions: Polyamide/ionomer Blends

January 1, 2003

Author(s)

R T. Tucker, Charles C. Han, Andrey V. Dobrynin, Robert A. Weiss