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Journals

On Determining the Maximum Emissions From Electrically Large Sources

February 1, 2002

Author(s)

Perry F. Wilson, David A. Hill, Christopher L. Holloway

This paper examines the use of measurements of the total radiated power from an arbitrary source, combined with theory-based directivity or quality factor...

Analysis of Electrically-Short Dipoles with a Nonlinear Load, Revisited

February 1, 2002

Author(s)

John M. Ladbury, Dennis G. Camell

We reexamine the characteristics of electrically short dipoles with nonlinear loads and, specifically, the early work of Motohisa Kanda. Although this problem...

Reverberation-Chamber Research - Then and Now: A review of early work and comparison with current understanding

February 1, 2002

Author(s)

Paolo Corona, John M. Ladbury, Gaetano Latmiral

The main part of this paper is an English translation (from the original Italian) of an early (1976) paper by P. Corona and G. Latmiral. Alongside this...

Time-domain Modeling, Characterization and Measurements of Anechoic and Semi-Anechoic Electromagnetic Test Chambers

February 1, 2002

Author(s)

Christopher L. Holloway, Paul McKenna, Roger Dalke, Rod A. Perala, Charles Devor

In this paper we present time-domain techniques for modeling, characterizing, and measuring anechoic and semi-anechoic chambers used for emission and immunity...

Doppler Velocimetry of Cryogenic Ion Plasmas

February 1, 2002

Author(s)

T B. Mitchell, John Bollinger, Wayne M. Itano, J M. Kriesel, Daniel H. Dubin

Applications of Computational Thermodynamics

February 1, 2002

Author(s)

J Agren, F H. Hayes, LFJ H. Hoglund, Ursula R. Kattner, B Legendre, R Schmid-fetzer

The major tools used in applying computational thermodynamics to various problems in materials science are briefly presented and several practical examples are...

Damage Characterization of Dental Materials in Ceramic-Based Crown-Like Layer Structures

February 1, 2002

Author(s)

Y N. Deng, Brian R. Lawn, Isabel K. Lloyd

A materials perspective of layered dental material systems representing tooth and crown structures is presented. In this study, failure modes in model bilayers...

Magnetic-Field Imaging of Weakly Bound Levels of the Ground-State Na₂ Dimer

February 1, 2002

Author(s)

T Laue, Eite Tiesinga, C Samuelis, H Knockel, E Tiemann

We measured in a molecular beam experiment the magnetic field dependence of the last bound levels of the X 1Σg + and a 3Σ +u potentials close to the 3s+3s...

Quantum Logic for Trapped Atoms Via Molecular Hyperfine Interactions

February 1, 2002

Author(s)

G K. Brennen, I H. Deutsch, Carl J. Williams

We study the deterministic entanglement of a pair of neutral atoms trapped in an optical lattice by coupling to excited-state molecular hyperfine potentials...

Observation of Anomalous Spin-State Segregation in a Trapped Ultracold Vapor

February 1, 2002

Author(s)

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

We observe counter-intuitive spin segregation in an inhomogeneous sample of ultra-cold, non-condensed, magnetically trapped Rubidium atomswith effectively two...

Subthermal Linewidths in Photoassociation Spectra of Cold Alkaline-Earth-Metal Atoms

February 1, 2002

Author(s)

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

Narrow s-wave features with subthermal widths are predicted for the 1II 9 photoassociation spectra of cold alkaline earth atoms. The phenomenon is explained by...

International Comparison of Volume Measurement Standards at 50 L at CENAM (Mexico), PTB (Germany), Measurement Canada and NIST (USA)

February 1, 2002

Author(s)

J M. Maldonado, R Arias, H -. Oelze, Vern E. Bean, J F. Houser, C Lachance, Claude Jacques

ntro Nacional de Metrologia (CENAM), Physikalisch-Technische Bundesanstalt (PTB), Measurement Canada (MC), and the National Institute of Standards and...

Structure of Escherichia Coli Aminodeoxychorismate Synthase: Architectural Conservation and Diversity in Chorismate-Utilizing Enzymes

February 1, 2002

Author(s)

J F. Parsons, P Y. Jensen, A S. Pachikara, A J. Howard, Edward Eisenstein, Jane E. Ladner

Aminodeoxychorismate synthase is part of a heterodimeric complex that catalyzes the two-step biosynthesis of 4-amino-4-deoxychorismate, a precursor of p...

A Functional Basis for Engineering Design: Reconciling and Evolving Previous Efforts

February 1, 2002

Author(s)

Kristen L. Wood, RJ B. Stone, DRJ Mcadams, J Hirtz, Simon Szykman

In engineering design, all products and artifacts have some intended reason behind their existence: the product or artifact function. Functional modeling...

Uncertainty of Oscilloscope Timebase Distortion Estimate

February 1, 2002

Author(s)

Chih-Ming Wang, Paul D. Hale, Kevin Coakley, Tracy S. Clement

We study several problems related to the characterization of the timebase in high-speed sampling oscilloscopes. First, we examine the bias of using the method...

Chorismate Lyase: Kinetics and Engineering for Stability

January 31, 2002

Author(s)

Marcia J. Holden, M P. Mayhew, David T. Gallagher, V L. Vilker

By removing the enolpyruvyl group from chorismate, chorismate lyase (CL) produces p-hydroxybenzoate (p-HB) for the ubiquinone biosynthetic pathway. We have...

A Systematic Approach for Multidimensional, Closed-Form Analytic Modeling: Effective Intrinic Carrier Concentrations in Ga_1-xAl_xAs Heterostructures

January 30, 2002

Author(s)

Herbert S. Bennett, James J. Filliben

A critical issue identified in both the technology roadmap from the Optoelectronics Industry Development Association and the roadmaps from the National...

A Combinatorial Methodology to Discovering the Material Factors Controlling Resist Line Edge Roughness, Shape, and Critical Dimension

January 28, 2002

Author(s)

Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Ronald L. Jones, Eric K. Lin, Christopher Soles, Wen-Li Wu, D M. Goldfarb, M Angelopoulos

A combinatorial research methodology is discussed to determine the material factors that control line edge roughness (LER), shape, and critical dimension (CD)...

Using Sensor Signals to Analyze Fires

January 25, 2002

Author(s)

William D. Davis

An algorithm is developed that predicts the concentration of smoke and gases such as carbon monoxide in the ceiling jet produced by an axisymmetric fire. A...

Determination of Active Site Residues in Escherichia Coli Endonuclease VIII

January 25, 2002

Author(s)

S. M. Burgess, Pawel Jaruga, M L. Dodson, Miral M. Dizdar, R S. Lloyd

Endonuclease VIII from Escherichia coli is a DNA glycosylase/lyase that removes oxidatively damaged bases. EndoVIII is a functional homologue of endonuclease...

Superconformal Deposition by Surfactant-Catalyzed Chemical Vapor Deposition

January 24, 2002

Author(s)

Daniel Josell, Daniel Wheeler, Thomas P. Moffat

The curvature enhanced accelerator coverage (CEAC) mechanism recently proposed to explain superconformal filling of fine trenches during copper...

Overview of the Radiometric Calibration of MOBY, ed. by W.L. Barnes

January 22, 2002

Author(s)

D K. Clark, M E. Feinholz, M A. Yarbrough, B. Carol Johnson, Steven W. Brown, Y S. Kim, R A. Barnes

Effects of Metal Ligation and Oxygen on the Reversibility of the Thermal Denaturation of Pseudomonas Aeruginosa Azurin

January 22, 2002

Author(s)

A Sandberg, J Leckner, Y. Shi, Frederick P. Schwarz, B G. Karlsson

Thermodynamic equilibrium transition models in DSC are only applicable to reversible processes, but reversibility of the thermal transitions of proteins is...

Thermal Longevity of Nano-Multilayer Magnetic Media

January 21, 2002

Author(s)

Edward Della Torre, Lawrence H. Bennett

A common concern about the use of particles a few nanometers in size in their stability. This paper addresses a technique for estimating the longevity on the...

Effective Hamiltonian Study of PZT 95/5

January 21, 2002

Author(s)

K Leung, Eric J. Cockayne, A F. Wright

An effective Hamiltonian is constructed for PbZr0.95Ti0.05O3. It is parameterized using ab initio results computed in the virtual crystal approximation. The...

Temperature Dependence of Infrared-Active Phonons in CaTiO₃: A Combined Spectroscopic and First-Principles Study

January 21, 2002

Author(s)

V Zelezny, J Petzelt, M F. Limonov, D Usvyat, A A. Volkov, Eric J. Cockayne

Spectroscopic studies involving dielectric, submillimeter, infrared and Raman measurements were performed on a CaTiO3 single crystal, covering a broad spectral...

Proceedings of the 2002 IEEE 4th International Workshop on Networked Appliances

January 15, 2002

Author(s)

Alan Mink

Networked appliances and home networking are emerging technologies that promist to bring about a host of exciting opportunities for information technology in...

The New Homeland Security: Challenges for a Great Nation

January 9, 2002

Author(s)

Ronald S. Ross

This article reiterates the importance of homeland security in light of the events of September 11th and the necessity to integrate information technology...

Thermal Response and Inequivalence of Pulsed Ultraviolet-Laser Calorimeters

January 1, 2002

Author(s)

D X. Chen, Marla L. Dowell, Christopher L. Cromer, Nien F. Zhang

A finite element model has been developed to study the thermal response of pulsed-laser calorimeters. Comparisons between pulsed- and average-laser power...

Small Angle Neutron Scattering Measurements of Synthetic Polymer Dispersion in Matrix-Assisted Laser Desorption Ionization Matrixes

January 1, 2002

Author(s)

Barry J. Bauer, H M. Byrd, Charles M. Guttman

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