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Journals

Noise Characterization of Multiport Amplifiers

October 1, 2001

Author(s)

James P. Randa

I address the issue of the definition and measurement of noise figure and parameters to characterize multiport devices, particularly differential amplifiers. A

Frequency response of alternating currents through the Staphylococcus aureus α-hemolysin ion channel

October 1, 2001

Author(s)

Martin Misakian, John J. Kasianowicz, B Robertson, Oskars Petersons Dr

In Vitro Evaluation of a Calcium Phosphate Cement Root Canal Filler/Sealer

October 1, 2001

Author(s)

Ai-Shuan(Maria) Cherng, Laurence C. Chow, Shozo Takagi

An in vitro dye leakage study was performed to compare the apical leakage of of a fill with injectable calcium phosphate cement (CPC) filler/sealer and a master

Summary of the American Society for Testing and Materials Practice E 2108-00 for Calibration of the Electron Binding-Energy Scale of an X-Ray Photoelectron Spectrometer

October 1, 2001

Author(s)

Cedric J. Powell

A short summary is given of the new ASTM practice E 2108-00 for the calibration of the binding-energy scales of X-ray photoelectron spectrometers.

In Situ Raman Spectroscopic Investigation of Zirconium-Niobium Alloy Corrosion Under Hydrothermal Conditions

October 1, 2001

Author(s)

James E. Maslar, Wilbur S. Hurst, Walter J. Bowers Jr., Jay H. Hendricks

In situ Raman spectroscopy was employed to investigate corrosion of a zirconium-niobium alloy in air-saturated water at a pressure of 15.5 MPa and temperatures

Electrodeposition of Silver-Aluminum Alloys from a Room Temperature Chloroaluminate Molten Salt.

October 1, 2001

Author(s)

Gery R. Stafford

A New Approach to Lattice Boltzmann Simulation

October 1, 2001

Author(s)

Nicos Martys

A new approach to lattice Boltzmann simulation is introduced which avoids the direct numerical determination of the single-particle distribution from the

Molecular Dynamics Study of Partial Monolayer Ordering of Chain Molecules

October 1, 2001

Author(s)

Raymond D. Mountain, Joseph B. Hubbard, Curtis W. Meuse, V Simmons

We present the results of a molecular dynamics study of a partial monolayer of self-assembled octadecanethiol molecules. The correlations between various

Experimental Data and Model Simulations of Beam Spread in the Environmental Scanning Electron Microscope

October 1, 2001

Author(s)

Scott A. Wight

This work describes the comparison of experimental measurements of electron beam spread in the environmental scanning electron microscope with model predictions

Solid State NMR Investigation of Paramagnetic Nylon-6 Clay Nanocomposites 2. Measurement of Clay Dispersion, Crystal Stratification and Stability of Organic Modifiers

October 1, 2001

Author(s)

David L. VanderHart, A Asano, Jeffrey W. Gilman

In this second paper of a 2-part series dealing mainly with NMR characterization of nylon-6/clay nanocomposites (NnCs) having nominally 5 mass percent clay

Solid State NMR Investigation of Paramagnetic Nylon-6 Clay Nanocomposites 1. Crystallinity, Morphology, and the Direct Influence of Fe³⁺ on Nuclear Spins

October 1, 2001

Author(s)

David L. VanderHart, A Asano, Jeffrey W. Gilman

Several exfoliated nylon-6/clay nanocomposites (NnCs) were investigated and compared with pure nylon-6 using solid state NMR, both proton and 13C. NnCs had

Tensile Creep Behavior of a Gas-Pressure-Sintered Silicon Nitride Containing Silicon Carbide

October 1, 2001

Author(s)

Ralph Krause, Sheldon M. Wiederhorn

The tensile creep behavior of a gas-pressure-sintered silicon nitride containing silicon carbide, was carbide was characterized at temperatures between 1375 and

Fitting Nature's Basic Functions I. Polynomials and Linear Least Squares

October 1, 2001

Author(s)

Bert W. Rust

This paper is the first in a series on fitting combinations of basic mathematicalmathematical functions to measured data from the real world. This

Using X-Ray Topography to Study Fracture of Single-Crystal Ceramics

October 1, 2001

Author(s)

Robert S. Polvani, D Black

X-ray topography provides a unique view of the surfaces of single-crystal samples, both before and after fracture. The diffraction topograph, which is sensitive

Estimates of Extreme Wind Effects and Wind Load Factors: Influence of Knowledge Uncertainties

October 1, 2001

Author(s)

F Minciarelli, M Gioffre, Mircea Grigoriu, Emil Simiu

We propose a probabilistic methodology for developing improved load factors in standard provisions for wind loads, and use it to examine: the cause of the

Isochoric p-ρ-T Measurements on (x) CO₂ + (1-x) C₂H₆, xapproximately equal to} 0.25, 0.49, 0.74} From 200 to 400 K at Pressures to 35 Mpa

October 1, 2001

Author(s)

H Duarte, Joe W. Magee

The p-p-T relationships were measured for binary hydrocarbon mixtures containing carbon dioxide (CO 2) and ethane (C 2H 6). Temperatures ranged from 200 K to

Scheme to Calculate Core Hole-Electron Interactions in Solids

October 1, 2001

Author(s)

J A. Soininen, Eric L. Shirley

We present a first-principles scheme for calculating a core-hole potential for core electron excitations. The scheme incorporates atomic and solid-state

Impacts of Design/Information Technology on Building and Industrial Projects

October 1, 2001

Author(s)

Stephen R. Thomas, C L. Macken, Sanghun Lee

This paper describes a collaborative effort by industry, government, and academia to evaluate the use of design/information technology (D/IT) on building and

Time-Resolved Isothermal Crystallization of Absorbable PGA-co-PLA Copolymer by Synchrotron Small-Angle X-Ray Scattering and Wide-Angle X-Ray Diffraction

October 1, 2001

Author(s)

Z G. Wang, X H. Wang, B S. Hsiao, S Andjelic, D Jamiolkowski, J McDivitt, J Fischer, J Zhou, Charles C. Han

The isothermal crystallization behavior of absorbable dyed and undyed PGA-co-PLA copolymers was investigated by time-resolved simultaneous synchrotron small

A SANS Study of the Conformational Behavior of Linear Chains in Compressed and Uncompressed End-Linked Elastomers

October 1, 2001

Author(s)

N Gilra, C Cohen, R M. Briber, Barry J. Bauer, R C. Hedden, A Z. Panagiotopoulos

Small-angle neutron scattering (SANS) experiments were performed to determine the conformational behavior of unattached deuterated linear poly(dimethylsiloxane)

Dynamic Constitutive Relations for Polarization and magnetization

October 1, 2001

Author(s)

James R. Baker-Jarvis, Pavel Kabos

New engineered artificial and metamaterials combine ferroelectrics, ferrites, wires, resonant rings, and ferromagnetic materials to obtain a desired response

Dielectric Sleeve Resonator Techniques for Microwave Complex Permittivity Evaluation

October 1, 2001

Author(s)

Richard G. Geyer, Pavel Kabos, James R. Baker-Jarvis

Closed-form analytical solutions are derived for accurate microwave dielectric characterization of rod test specimens inserted into dielectric sleeve resonators

Structural Control of Elastic Constants of Mullite in Comparison to Sillimanite

October 1, 2001

Author(s)

B Hildmann, H M. Ledbetter, Sung Kim, H A. Schneider

The nine elastic stiffness coefficients C, of a mulitte single crystal (2Al 2O 3.SiO 2) were measured using Acoustic Resonance Spectroscopy (ARS). The obtained

Ballistic Magnetoresistance in a Nanocontact Between a Ni Cluster and a Magnetic Thin Film

October 1, 2001

Author(s)

M Munoz, G G. Qian, N Karar, H. Cheng, I G. Saveliev, N Garcia, Thomas P. Moffat, P J. Chen, L Gan, William F. Egelhoff Jr.

We present measurements of ballistic magnetoresistance in nanocontacts grown by electrodeposition of Ni microclusters on magnetic thin films covered by aluminum

Separation of Scales for Growth of an Alloy Needle Crystal

October 1, 2001

Author(s)

R F. Sekerka, Sam R. Coriell, Geoffrey B. McFadden

We reexamine the problem of a needle crystal (a model for a dendrite primary stalk) having the shape of a paraboloid of revolution growing at constant velocity

Role of Flaw Statistics in Contact Fracture of Brittle Coatings

October 1, 2001

Author(s)

P Miranda, Antonia Pajares, F Guiberteau, F Cumbrera, Brian R. Lawn

A flaw statistics analysis is here developed to account for systematic differences between experimentally observed and theoretically predicted critical loads

Structure and Electronic Transport Properties of Si-(B)-C-N Ceramics

October 1, 2001

Author(s)

A M. Hermann, Y T. Wang, P A. Ramakrishnan, Davor Balzar, L A. An, C Haluschka, R Riedel

The structure and electronic transport properties of polymer-derived pristine-and boron-doped silicon-carbonitride ceramics have been studied, with particular

A Precision Capacitance Cell for Measurement of Thin Film Out-of-Plane Expansion Part III. Conducting and Semiconducting Materials

October 1, 2001

Author(s)

Chad R. Snyder, F I. Mopsik

This paper describes the construction, calibration, and use of a precision capacitance-based metrology for the measurement of the thermal and hygrothermal

X-Ray Reflectivity and FTIR Measurements of N2 Plasma Effects on the Density Profile of Hydrogen Silsesquioxane Thin Films

October 1, 2001

Author(s)

V. J. Lee, C G. Chao, Eric K. Lin, Wen-Li Wu, B M. Fanconi, J K. Lan, Y L. Cheng, H C. Liou, Y L. Wang, M S. Feng

Non-destructive, specular X-ray reflectivity (SXR) measurements were used to investigate N2 plasma effects on the density depth profile of hydrogen

Gelation in Physically Associating Polymer Solutions

October 1, 2001

Author(s)

S K. Kumar, Jack F. Douglas

The thermally reversible gelation of a polymer solution is investigated. The dynamics slows down upon cooling in these systems much like glass-firming liquids

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