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Journals

In Situ TEM Observations of Fracture in Nanolaminated Metallic Thin Films

March 1, 2003

Author(s)

Timothy J. Foecke, D E. Kramer

Fracture of single crystal nanolaminted thin films has been investigated through in situ straining of cross-sectional samples of Cu/Ni nanolaminates grown on Cu...

Mechanical, Thermal, and Chemical Properties - Cracking and the Indentation Size Effect for Knoop Hardness of Glasses

March 1, 2003

Author(s)

George D. Quinn, P A. Green, K Xu

The influence of cracking upon apparent Knoop hardness was investigated for five glasses. The Knoop hardnesses decreased with increasing load in accordance with...

Magnetization Dynamics Modeled in Magnetic Thin Films

March 1, 2003

Author(s)

Robert D. McMichael

One of the challenges facing designers of high data rate computer hard drives and magnetic memory chips is that for most magnetic metals, it typically takes a...

Ru Spacer Thickness Dependences of the Domain Nucleation and Growth in Co/Ru/Co Synthetic Antiferromagnet

March 1, 2003

Author(s)

V S. Gornakov, Valerian I. Nikitenko, William F. Egelhoff Jr., Robert D. McMichael, Alexander J. Shapiro, Robert D. Shull

The relative orientation of Co magnetization vectors in a Co/Ru/Co/Ta structure vary gradually from parallel to antiparallel orientation as a function of Ru...

Small-Angle Neutron Scattering Study of the Role of Feedstock Particle Size on the Microstructural Behavior of Plasma-Sprayed Yttria-Stabilized Zirconia Deposits

March 1, 2003

Author(s)

H Boukari, Andrew J. Allen, Gabrielle G. Long, J Ilavsky, Jay S. Wallace, C C. Berndt, H Herman

The microstructures of thick plasma-sprayed yttria-stabilized (8% mass) zirconia deposits have been studied in a series of Porod small-angle neutron scattering...

Cracking and the Indentation Size Effect for Knoop Hardness of Glasses

March 1, 2003

Author(s)

George D. Quinn, P Green, K Xu

The Knoop Hardness of five glasses as measured over a wide range of indentation loads. Hardness decreased with increasing load in accordance with the classic...

Evolution of Strain-Induced Microstructure and Texture in Commercial Aluminum Sheet Under Balanced Biaxial Stretching

March 1, 2003

Author(s)

Stephen W. Banovic, Timothy J. Foecke

The evoluation of surface topography and crystallographic texture was investigated under balanced biaxial stretching in sheets of aluminum alloy 5052 H32. Two...

Structure and Dimensions of PAMAM/PEG Dendrimer-Star Polymers

March 1, 2003

Author(s)

R C. Hedden, Barry J. Bauer

Dendrimer-star polymers are prepared by grafting monofunctional poly(ethylene glycol) (PEG) chains of low polydispersity onto the terminal groups of poly...

X-Ray Induced Fluorescence Measurement of Density Distributions in a Metal-Halide Lighting Arc

March 1, 2003

Author(s)

John J. Curry, H G. Adler, S Shastri, W -. Lee

The use of x-ray induced fluorescence to measure elemental densities in a metal-halide lighting arc is described. High-energy synchrotron radiation generated on...

Exciton States in Quantum Dot Solids: Excitation Transfer and Dynamic Decorrelation

March 1, 2003

Author(s)

Garnett W. Bryant

Coherent exciton transport in Quantum dot solids is determined by electron and hole interdot tunneling and dipole-dipole interdot excitation transfer. We...

Kinetics of Carbonyl Sulfide Hydrolysis. 2. Effect of n-Alkanes in Mixtures of Water Plus Hydrocarbon

March 1, 2003

Author(s)

W C. Andersen, Thomas J. Bruno

Carbonyl sulfide (COS), which occurs as an impurity in commercial sources of propane, can hydrolyze in the presence of water to form hydrogen sulfide(H2S) and...

Kinetics of Carbonyl Sulfide Hydrolysis. 1. Catalyzed and Uncatalyzed Reactions in Mixtures of Water Plus Propane

March 1, 2003

Author(s)

W C. Andersen, Thomas J. Bruno

Carbonyl sulfide (COS), which occurs as an impurity in commercial sources of propane, can hydrolyze in the presence of water to form hydrogen sulfide(H2S) and...

OH Reactivity and UV Spectra of Propane, n-Propyl Bromide, and Isopropyl Bromide

March 1, 2003

Author(s)

S N. Kozlov, Vladimir L. Orkin, Robert E. Huie, Michael J. Kurylo III

The rate constants for the reactions of OH radicals with the 1-bromopropane, 2-bromopropane, and propane were measured using the flash photolysis reasonance...

Dielectric Permittivity of Eight Gases Measured with Cross Capacitors

March 1, 2003

Author(s)

James W. Schmidt, Michael R. Moldover

A 4-ring, toroidal cross capacitor was used to measure accurately the relative dielectric permittivity ε(p,T) of He, Ar, N 2, O 2, CH 4, C 2H 6, C 3H 8, and CO...

Our Plan for a Wireless Loan Service

March 1, 2003

Author(s)

Nancy Allmang

The article would describe, from a librarian's standpoint, what one library has done to gear up for a wireless LAN. It would discuss specific steps the library...

The Influence of the Laser Energy and Matrix of MALDI on the Molecular Mass Distribution of Poly(ethylene glycol)

March 1, 2003

Author(s)

S Wetzel, Charles M. Guttman, Kathleen M. Flynn

The molecular mass distribution (MMD) that is obtained in synthetic polymer characterization may be biased by preferential desorption/ionization of low mass...

Complex Permittivity Measurements of Common Plastics over Variable Temperatures

March 1, 2003

Author(s)

Billy F. Riddle, James R. Baker-Jarvis, Jerzy Krupka

In this paper we present complex permittivity data at macorwave frequencies for many common plastics from 125 K to 375 K. The measurements were made using a TE...

Asymptotic Behavior of a Strain Percolation Model for a Deforming Metal

March 1, 2003

Author(s)

Y Shim, Lyle E. Levine, R M. Thomson, D E. Kramer

In this paper, we present a recent advance in theoretical understanding of a deforming metal, using a strain percolation model which possibly explains spasmodic...

Micro-Indentation and Inverse Analysis to Characterize Elastic-Plastic Graded Materials

March 1, 2003

Author(s)

Y Gu, T Nakamura, L Prchlik, S Sampath, Jay S. Wallace

Properties of a graded material were characterized with a procedure based on an inverse analysis. This inverse analysis procedure utilizes experimental records...

Last Stage Solidification of Alloys: Theoretical Model of Dendrite-Arm and Grain Coalescence

March 1, 2003

Author(s)

M Rappaz, A Jacot, William J. Boettinger

Hot tearing in castings is closely related to the difficulty of bridging or coalescence of dendrite arms during the last stage of solidfication. The details of...

Two Cores in One Grain in the Microstructure of Silicon Nitride Prepared With Aligned Whisker Seeds

March 1, 2003

Author(s)

D S. Park, T W. Roh, B Hockey, Y Takigawa, B D. Han, H D. Kim, Y Yasutomi

The microstructure of silicon nitride with aligned silicon nitride whisker seeds was examined by electron microscopy. Silicon nitride sintered with yttria and...

Protein Dynamics in Viscous Solvents

March 1, 2003

Author(s)

G Caliskan, A Kisliuk, A M. Tsai, Christopher Soles, Alexei Sokolov

The principals governing the effective stabilization of tissues and drugs are unclear and effective agents for preservation are discovered largely by trail and...

Optical Measurements of Structure and Orientation in Sheared Carbon-Nanotube Suspensions

March 1, 2003

Author(s)

Erik K. Hobbie, Haonan Wang, H W. Kim, Charles C. Han, E A. Grulke, Jan Obrzut

We describe an optical metrology for measuring shear-induced structure and orientation in dilute dispersions of multiwalled carbon nanotubes. Small-angle...

Shear-Induced Structure in Polymer Blends With Viscoelastic Asymmetry

March 1, 2003

Author(s)

Erik K. Hobbie, H Jeon, Haonan Wang, H W. Kim, D J. Stout, Charles C. Han

Light scattering and optical microscopy have been used to measure the morphology as a function of shear rate and composition in polymer blends with viscoelastic...

Line Assignments and Global Analysis of the Tunneling-Rotational Microwave Absorption Spectrum of Dimethyl Methylphosphonate

March 1, 2003

Author(s)

N Ohashi, J Pyka, G Y. Golubiatnikow, Jon T. Hougen, R D. Suenram, Francis J. Lovas, A Lesarri, Y Kawashima

Line assignments were carried out for about 600 Fourier transform microwave transitions for dimethyl methylphosphonate involving levels of all six symmetry...

Transition From E to H Mode Discharge in Pulse-Modulated Inductively Coupled Plasmas

March 1, 2003

Author(s)

M Edamura, Eric C. Benck

Time-resolved measurements of pulse-modulated inductively coupled plasmas were carried out by using a Langmuir probe. It was found that under a certain...

Creation of a Dipolar Superfluid in Optical Lattices

March 1, 2003

Author(s)

B Damski, L Santos, E Tiemann, M Lewenstein, Svetlana A. Kotochigova, Paul S. Julienne, W.H. Zoller

We show that by loading a Bose-Einstein condensate (BEC) of two different atomic species into an optical lattice, it is possible to achieve a Mott-insulator...

Modeling Distributed Kinetics in Isolated Semiconductor Quantum Dots

March 1, 2003

Author(s)

M Kuno, D P. Fromm, S T. Johnson, Alan Gallagher, David Nesbitt

tailed modeling of recently observed nonexponential fluorescence intermittency in colloidal semiconductor quantum dots (QDs) is presented. In particular...

Decay and Revival of Phase Coherence of a Bose-Einstein Condensate in a One-Dimensional Lattice

March 1, 2003

Author(s)

O Morsch, J H. Muller, D Ciampini, M Cristiani, P B. Blakie, Carl J. Williams, Paul S. Julienne, E Arimondo

The mode structure of a Bose-Einstein condensate non-adiabatically loaded into a one-dimensional optical lattice is studied by analyzing the visibility of the...

Structure and Vibrational Dynamics of the Halogen-Substituted Butynes HC Equivalent to CCH₂CH₂X (X=F,Cl,Br) from Molecular-Beam High-Resolution Microwave and Infrared Spectroscopy

March 1, 2003

Author(s)

J C. Keske, F S. Rees, R D. Suenram, Brooks H. Pate

The pure rotational and high-resolution acetylenic C-H stretch rovibrational spectra of a series of substituted butynes, HC=CCH 2CH 2X (X=F,Cl,Br), are reported...

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