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Journals

Dynamic and static magnetic anisotropy in thin-film cobalt zirconium tantalum

October 26, 2004

Author(s)

John P. Nibarger, R Ewasko, Michael Schneider, Thomas J. Silva

The magnetic anisotropy values of thin amorphous cobalt zirconium tantalum (CZT) films were determined from static and dynamic measurements. Dynamic techniques...

Observation of Quantum Oscillations between a Josephson Phase Qubit and a Microscopic Resonator using Fast Readout

October 25, 2004

Author(s)

Ken Cooper, Matthias Steffen, Robert McDermott, Raymond Simmonds, Seongshik Oh, Dustin Hite, David P. Pappas, John M. Martinis

We have detected coherent quantum oscillations between Josephson phase qubits and microscopic critical current fluctuators by implementing a new state readout...

Temperature Gradient Focusing of Matched and Partially Mismatched DNA/PNA Hybridizations

October 20, 2004

Author(s)

K M. Balss, David J. Ross, Michael J. Tarlov

The hybridization reactions of DNA with peptide nucleic acids (PNA) were monitored in real time with Temperature Gradient Focusing (TGF). Both ex situ and in...

Optical Frequency Measurements of 6s^2S1/2-6p^2P3/2 Transition in ^133 Cs Atomic Beam Using a Femtosecond Laser Frequency Comb

October 20, 2004

Author(s)

Vladislav Gerginov, Scott A. Diddams, A Bartels, Leo W. Hollberg

Dynamic behavior of dagger-shaped atomic force microscope cantilevers

October 20, 2004

Author(s)

K Shen, Donna C. Hurley, J Turner

Experimental techniques based on the atomic force microscope (AFM) have been developed for characterizing mechanical properties at the nanoscale and applied to...

Crystal Chemistry and Crystallography of the Aurivillius Phase Bi₅AgNb₄O₁₈

October 18, 2004

Author(s)

Winnie K. Wong-Ng, Qingzhen Huang, Lawrence P. Cook, Igor Levin, James A. Kaduk, Alan D. Mighell, J Suh

Bi 5AgNb 4O 18 is a new phase, which was discovered during the phase equilibrium study of the Bi 2O 3-Ag 2O-Nb 2O 5 system. Bi 5AgNb 4O 18 was prepared at 750 C...

Wide-Band Slot Antennas with CPW Feed Lines: Hybrid and Log-Periodic Designs

October 11, 2004

Author(s)

Alpesh Bhobe, Christopher L. Holloway, Melinda Piket-May, Richard Hall

In microwave and millimeter wave applications, slot antennas fed by coplanar waveguides (CPW) are receiving increasing attention. These antennas have several...

Controlling the Dynamics of a Single Atom in Lateral Atom Manipulation

October 8, 2004

Author(s)

Joseph Stroscio, Robert Celotta

We study the dynamics of a single Co atom during lateral manipulation on a Cu(111) surface in a low temperature scanning tunneling microscope. The Co binding...

Comparison of Si-O-C interfacial bonding of alcohols and aldehydes on Si(111) formed from dilute solution with ultraviolet irradiation

October 8, 2004

Author(s)

Christina Hacker, Kelly A. Anderson, Lee J. Richter, Curt A. Richter

Aliphatic alcohols and aldehydes were reacted with the Si(111)-H surface to form Si-O-C interfacial bonds from dilute solution using ultraviolet light. The...

Pressure Drop During Refrigerant Condensation Inside Horizontal Smooth, Helical Micro-Fin, and Herringbone Micro-Fin Tubes

October 6, 2004

Author(s)

J A. Olivier, L Liebenberg, Mark A. Kedzierski, J P. Meyer

This paper presents a study of pressure drops during condensation inside a smooth, an 18 helical micro-fin, and a herringbone micro-fin tube. Measurements were...

Relating Gloss Loss to Topographical Features of a PVDF Coating

October 6, 2004

Author(s)

J Faucheu, Li Piin Sung, K Wood, Jonathan W. Martin

Semi-gloss commercial poly(vinylidene fluoride) (PVDF) coatings typically have 60o gloss values between 20 and 50. Gloss is affected by PVDF crystallite...

Greens Function Method for Modeling Surfac Acoustic Wave Dispersion on Anistropic Material Systems and Determination of Material Parameters

October 4, 2004

Author(s)

Vinod K. Tewary

Crystalline Quality of Bonded Silicon-On-Insulator Characterized by Spectroscopic Ellipsometry and Raman Spectroscopy

October 4, 2004

Author(s)

Nhan Van Nguyen, James E. Maslar, Junghyeun Kim, Jin-Ping Han, Jin-Won Park, Deane Chandler-Horowitz, Eric M. Vogel

The crystalline quality of Silicon-On-Insulator fabricated by a wafer bonding technique was examined by spectroscopic ellipsometry and Raman spectroscopy. The...

Fiber-laser-based frequency comb with a tunable repetition rate

October 4, 2004

Author(s)

Brian Washburn, R W. Fox, Nathan R. Newbury, Jeffrey W. Nicholson, K Feder, Paul S. Westbrook, C. G. Jorgensen

A phase-locked, self-references frequency comb generated by a mode-locked fiber soliton laser with a tunable repetition rate is presented. The spacing of the...

Photonic Technologies for Quantum Information Processing

October 2, 2004

Author(s)

Prem Kumar, P G. Kwiat, Alan L. Migdall, Sae Woo Nam, Jelena Vuckovic, F Wong

The last several years have seen tremendous research toward practical optical quantum information processing, including single- and entangled-photon sources and...

Lattice Dynamics in PbMg1/3Nb2/3O3

October 1, 2004

Author(s)

S A. Prosandeev, Eric J. Cockayne, Benjamin P. Burton, S Kamba, J Petzelt, Yu Yuzyuk, R S. Katiyar, S B. Vakhrushev

Spectroscopic Characterization of Fluorescein- and Tetramethylrhodamine-Labeled Oligonucleotides and Their Complexes With a DNA Template

October 1, 2004

Author(s)

Lili Wang, Adolfas K. Gaigalas, J L. Blasic, Marcia J. Holden

We measured absorption and emission spectra, fluorescence quantum yield, anisotropy, fluorescence resonance energy transfer (FRET), and melting temperature to...

Shape Analysis of a Reference Cement

October 1, 2004

Author(s)

Edward J. Garboczi, Jeffrey W. Bullard

Recently, techniques for acquiring, analyzing, and using 3-D shape information for aggregates (sand, gravel) have been developed and demonstrated. These...

Estimation of the Degree of Hydration of Blended Cement Pastes by a Scanning Electron Microscope Point-Counting Procedure

October 1, 2004

Author(s)

X Feng, Edward J. Garboczi, Paul E. Stutzman, T Mason

A scanning electron microscope (SEM) point-counting technique was employed to study the hydration of plain portland cement pastes and blended cement pastes...

Monitoring the Macroscopic Effect of DDoS Flooding Attacks

October 1, 2004

Author(s)

Kevin L. Mills, J Yuan

USE OF LASER SCANNING CONFOCAL MICROSCOPY FOR QUANTITATIVE CHARACTERIZATION OF PHYSICAL CHANGES OF POLYMER COATINGS AFTER UV EXPOSURE

October 1, 2004

Author(s)

Li Piin Sung, J Jasmin, Xiaohong Gu, Tinh Nguyen, Jonathan W. Martin

Due to its non-destructive properties, laser scanning confocal microscopy (LSCM) has become a powerful tool for monitoring physical changes in polymeric...

A Closed System Digestion and Purification Procedure for the Accurate Assay of Chlorine in Fossil Fuels

October 1, 2004

Author(s)

M E. Howard, Robert D. Vocke Jr.

Application of the Josephson Effect to Metrology

October 1, 2004

Author(s)

Samuel P. Benz, Clark Hamilton

The unique ability of a Josephson junction to control the flow of magnetic flux quanta leads to a perfect relationship between frequency and voltage. Over the...

The Effect of Situation Awareness Acquisition in Determining the Ratio of Operators to Semi-Autonomous Driving Vehicles

October 1, 2004

Author(s)

Jean C. Scholtz

We used a technical readiness level assessment to obtain intervention time and the time to acquire situation awareness for different classifications of...

Cross-Organization Clinical Documents Sharing (XDS) Reference Implementation and Conformance Test Suite

October 1, 2004

Author(s)

William J. Majurski

The National Software Reference Library (NSRL) of the U.S. National Institute of Standards and Technology (NIST) collects software from various sources and...

Effects of Speech Recognition Accuracy on Performance of DARPA Communicator Spoken Dialogue Systems

October 1, 2004

Author(s)

Gregory A. Sanders, A N. Le

The DARPA Communicator program explored ways to construct better spoken-dialogue systems, with which users interact via speech alone to perform relatively...

Deconvolving LADAR Images Of Bar Codes for Construction Site Object Recognition

October 1, 2004

Author(s)

David E. Gilsinn, Dianne M. O'Leary

Elastic, Anelastic, Piezoelectric Coefficients of Monocrystal Lithium Niobate

October 1, 2004

Author(s)

H M. Ledbetter, H Ogi, N Nakamura

Using improved acoustic spectroscopy, we determined the complete above coefficients (16 independent ones) by measuring the macroscopic resonance frequencies of...

Fatigue and Damage Tolerance of Y-TZP Ceramics in Layered Biomechanical Systems

October 1, 2004

Author(s)

Yu Zhang, Antonia Pajares, Brian R. Lawn

The fatigue properties of fine-grain Y-TZP in cyclic flexural testing are studied. Comparative tests on a coarser-grain alumina provide a baseline control. A...

The Structural Steel of the World Trade Center Towers

October 1, 2004

Author(s)

Frank W. Gayle, Stephen W. Banovic, Timothy J. Foecke, Richard J. Fields, William E. Luecke, Joseph D. McColskey, Thomas A. Siewert, Christopher N. McCowan

In September 2002, the National Institute of Standards and Technology became the lead agency in an investigation of the World Trade Center (WTC) disaster of...

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