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Journals

Role of Adhesive Interlayer in Transverse Fracture of Brittle Layer Structures

April 1, 2000

Author(s)

H Chai, Brian R. Lawn

The role of a soft adhesive interlayer in determining critical conditions for fracture in brittle layer structures from indentation with hard spheres is

Modeling the Evolution of the Dynamic Mechanical Properties of a Commercial Epoxy During Cure After Gelation

April 1, 2000

Author(s)

S L. Simon, G B. McKenna, O Sindt

A model for the evolution of the viscoelastic properties of thermosetting polymers during cure has been developed based on the concepts of time-temperature and

Dye Impregnation Method for Revealing Machining Crack Geometry

April 1, 2000

Author(s)

Yasumitsu Matsuo, M. Sando, L K. Ives, Ryna B. Marinenko, George D. Quinn

An observation technique for machining cracks in ceramics has been developed. Palladium (Pd) nitrate water solution was impregnated into a bending specimen

Nature of Coupling and Origin of Coercivity in Giant Magnetoresistance NiO-Co-Cu-Based Spin Valves

April 1, 2000

Author(s)

H D. Chopra, D X. Yang, P J. Chen, D Parks, William F. Egelhoff Jr.

The effect of various couplings on the switching field and coercivity in NiO-Co-Cu-based giant magnetoresistance (GMR) bottom spin valves is systematically

Composition Profiling in a Binary Polymer Blend Thin Film Using Polarized Neutron Reflectivity

April 1, 2000

Author(s)

H Grull, A Schreyer, Norman F. Berk, Charles Majkrzak, Charles C. Han

The concentration profile in an ultra-thin film (film thickness d=440 ) of a high molecular mass poly(isoprene)/deuterated poly(butadiene) blend is measured in

A Pulsed Laval Nozzle Apparatus With Laser Ionization Mass Spectroscopy for Direct Measurements of Rate Coefficients at Low Temperatures With Condensable Gases

April 1, 2000

Author(s)

S Lee, R J. Hoobler, S R. Leone

A pulsed Laval nozzle, low Mach number supersonic expanison kinetics apparatus has been constructed to study neutral-neutral kinetics by a rather general laser

Comment on Physical Picture for Light Emission in Scanning Tunneling Microscopy

April 1, 2000

Author(s)

P C. Chaumet, A Rahmani

Comment on Physical Picture for Light Emission in Scanning Tunneling Microscopy

Transition Probability Ratios for Selected Multiplets of CI, NI and OI, and Comparisons With Recent Calculations

April 1, 2000

Author(s)

J Musielok, John M. Bridges, Jeffrey R. Fuhr, Wolfgang L. Wiese

With a wall-stabilized high-current arc, we have measured the transition probabilities of several multiplet pairs of CI, NI and OI. Pairs have been selected for

Spectroscopy of Autoionizing Doubly-Excited States in Ultracold Na₂ Molecules Produced by Photoassociation

April 1, 2000

Author(s)

A Amelink, Kevin Jones, Paul D. Lett, P Van der Straten, H G. Heideman

We have performed photoassociation spectroscopy to study the doubly-excited states of Na 2 involved in the associative ionization of colliding Na(3P) atoms

Dynamic Structure Factor of Diamond and LiF Measured Using Inelastic X-Ray Scattering

April 1, 2000

Author(s)

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

The dynamic structure factors S(q,ω) of diamond and LiF have been measured using inelastic x-ray scattering. The experimental data are compared to results of ab

Evaporative Cooling of a Two-Component Degenerate Fermi Gas

April 1, 2000

Author(s)

M J. Holland, B. L. DeMarco, Deborah S. Jin

We derive a quantum theory of evaporative cooling for a degenerate Fermi gas with two constituents and show that the optimum cooling trajectory is influenced

Ion-Enhanced Etching of Si(100) With Molecular Chlorine: Neutral and Ionic Product Yields as a Function of Ion Kinetic Energy and Molecular Chlorine Flux

April 1, 2000

Author(s)

N Materer, R S. Goodman, S R. Leone

Time-of-flight mass spectrometry (TOFMS) is used to measure neutral and ionic silicon etch products evolved during argon ion-enhanced etching of room

Intercomparison of Visual Diffuse Transmission Density Measurements

April 1, 2000

Author(s)

Egbert Buhr, Detleff Bergmann, E A. Early, Thomas R. O'Brian

An intercomparison of visual diffuse transmission density measurements of photographic and x-ray film step tablets was completed bytwo national metrology

An Ab Initio Study of the Kinetics of the Reactions of Halomethanes With the Hydroxyl Radical. 1. CH₂Br₂

April 1, 2000

Author(s)

F Louis, Carlos A. Gonzalez, Robert E. Huie, Michael J. Kurylo III

Ab initio calculations using the M ller-Plesset perturbation theory were carried out on the H-atom abstraction reaction from dibromomethane by hydroxyl radical

Calculating Characteristics of Non-collinear Phase-Matching in Uniaxial and Biaxial Crystals

April 1, 2000

Author(s)

N Boeuf, D A. Branning, I Chaperot, E Dauler, S Guerin, G Jaeger, Andreas Muller, Alan L. Migdall

A method of calculating the characteristics of phase-matching in both uniaxial and biaxial crystals is presented. Although significant work has been done to

Spectral Transmittance of Lossy Printed Resonant-Grid Terahertz Bandpass Filters

April 1, 2000

Author(s)

M. E. MacDonald, A. Alexanian, R. A. York, Zoya Popovic, Erich N. Grossman

A Damper Control System for Preventing Reverse Airflow Through the Exhaust Damper of Variable-Air-Volume Air-Handling Units

April 1, 2000

Author(s)

J E. Seem, J House, George E. Kelly, C J. Klaassen

Traditional air-handling unit (AHU) control systems link the position of the exhaust, recirculation and outdoor air dampers. Laboratory tests of a variable-air

Retrofit of Pre-Northridge Moment-Resisting Connections

April 1, 2000

Author(s)

S A. Civjan, M D. Engelhardt, John L. Gross

An experimental program was undertaken to evaluate methods to retrofit existing steel moment connections for improved seismic performance. Six full-scale

Simulation of Fluid Flow and Permeability in Cohesionless Soils

April 1, 2000

Author(s)

E Masad, B Muhunthan, Nicos Martys

This paper reports on a new laboratory methodology for the determination of the structure of pores, a method for the analysis of the data to obtain the

Mapping Polymer Heterogeneity Using Atomic Force Microscopy Phase Imaging and Nanoscale Indentation

April 1, 2000

Author(s)

D T. Raghavan, Xiaohong Gu, Tinh Nguyen, Mark R. VanLandingham, Alamgir Karim

Polymer coatings contain degradation-susceptible regions, and corrosion of metallic substrate can occur directly underneath these regions. In this paper, the

Impedance Spectra of Fiber-Reinforced Cement-Based Composites: A Modeling Approach

April 1, 2000

Author(s)

J M. Torrents, T Mason, Edward Garboczi

The impedance response of conductive fiber-reinforced cement-based materials was investigated using model systems (physical simulations) consisting of

Coherent Control of Precessional Dynamics in Thin Film Permalloy

April 1, 2000

Author(s)

T. M. Crawford, Pavel Kabos, Thomas J. Silva

We demonstrate a method of eliminating overshoot and ringing in magnetizaiton dynamics when the system bandwidth includes the intrinsic ferromagnetic resonance

The Sensitivity of a Method to Predict a Capacitor's Frequency Characteristic

April 1, 2000

Author(s)

S. Avramov, Andrew D. Koffman, Nile M. Oldham, Bryan C. Waltrip

A joint effort between the U.S. Naval Academy and the National Institute of Standard and Technology (NIST) resulted in the development of a method to

Uncertainty Analysis for Four Terminal-Pair Capacitance and Dissipation Factor Characterization at 1 MHz and 10 MHz

April 1, 2000

Author(s)

Andrew D. Koffman, S. Avramov, Bryan C. Waltrip, Nile M. Oldham

Calculation of Ion Energy Distributions from Radio Frequency Plasmas Using a Simplified Kinetic Approach

April 1, 2000

Author(s)

Martin Misakian, Yicheng Wang

Using an elementary kinetic approach, a procedure is described for calculating ion energy distributions (IEDs) from radio frequency (rf) plasmas. The calculated

Electrical Conduction and Dielectric Breakdown in Aluminum Oxide Insulators on Silicon

March 23, 2000

Author(s)

J Kolodzey, E A. Chowdhury, T Adam, G Qui, I Rau, J Olowolafe, John S. Suehle, Y Chen

Leakage currents and dielectric breakdown were studied in MIS capacitors of metal - aluminum oxide - silicon. The aluminum oxide was produced by thermally

Thermodynamics of the Lipase Catalyzed Transesterifation of (-)-Menthol and Dodecyl Dodecanoate in Organic Solvents

March 20, 2000

Author(s)

Yadu D. Tewari

The thermodynamics of the lipase-catalyzed transesterification reaction (-)-menthol(sin) + dodecyl dodecanoate(sin) = (-)-menthyl dodecanoate(sin) + 1-dodecanol

Electronic Structure of BC1 Determined by ab Initio Calculations and Resonance-Enhanced Multiphoton Ionization Spectroscopy

March 14, 2000

Author(s)

Karl K. Irikura, Russell D. Johnson III, Jeffrey W. Hudgens

The mass-resolved, one-color, 2 + 1 resonance-enhanced multiphoton ionization spectrum of transient boron monochloride (BC1) between 348 nm and 369 nm is

A Research Program to Determine When and How to Include Sublethal Effects of Smoke in Fire Safety Decisions

March 7, 2000

Author(s)

Richard G. Gann

It has long been realized that the sublethal effects of smoke can affect survival in fires, but only sparse data were available on which to base fire safety

Estimation of Absorbed Photolytic Dosage and Quantum Yields Using UV-Vis and FTIR spectroscopies

March 1, 2000

Author(s)

Jonathan W. Martin, Tinh Nguyen, E Byrd, N Embree

An effective dosage model has been introduced for predicting the service life of polymeric materials exposed to UV light. The effective dosage model, which

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