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Journals

Development and Evaluation of a Candidate Reference Measurement Procedure for the Determination of Testosterone in Human Serum Using Isotope-Dilution Liquid Chromatography-Tandem Mass Spectrometry

November 1, 2007

Author(s)

Susan S. Tai, Bei Xu, Michael J. Welch, Karen W. Phinney

Determination of Polybrominated Diphenyl Ethers (PBDEs) in Environmental Standard Reference Materials

November 1, 2007

Author(s)

Michele M. Schantz, H M. Stapleton, Jennifer M. Lynch, John R. Kucklick, Stefan D. Leigh, Stephen A. Wise

BACnet Measures Up

November 1, 2007

Author(s)

Steven T. Bushby

BACnet was developed to enable integration of building automation and control products from multiple vendors and to allow building owners the freedom to by...

Combinatorial Polymer Scaffold Libraries

November 1, 2007

Author(s)

Carl G. Simon Jr., J S. Stephens, Matthew Becker

We have developed a method for fabricating combinatorial libraries of porous, three-dimensional, salt-leached, polymer scaffolds that can be used for screening...

Shear Bond Strength of Bioactive Amorphous Calcium Phosphate Composites

November 1, 2007

Author(s)

Gary E. Schumacher, Joseph M. Antonucci, Justin N. O'Donnell, Drago Skrtic

Bioactive, amorphous calcium phosphate (ACP)-filled polymeric composites in aqueous environments release significant amounts of Ca and PO4 ions leading to...

Methodology for Evaluating Candidate Geometric Reference Scaffolds

November 1, 2007

Author(s)

Joy P. Dunkers, Stefan D. Leigh, David Dean, M Cooke, Richard Ketcham, Marcus T. Cicerone

The motivation for the work is to rank candidate reference scaffolds by quality metrics in a systematic and quantitative manner by screening several...

Large-scale MCHF Calculation of the Li I 4d-4f Energy Separation

November 1, 2007

Author(s)

Yuri Ralchenko, Charlotte Fischer

The calculational methods in atomic structure are currently capable of providing the level of accuracy close to that of the most precise experiments. The...

Young's Modulus Measurements in Standard IC CMOS Processes using MEMS Test Structures

November 1, 2007

Author(s)

Janet M. Cassard, David L. Herman, Paul T. Vernier, Don DeVoe, Michael Gaitan

This letter presents a method to measure the Young?s moduli of the individual thin film layers in a commercial integrated circuit (IC) foundry process. The...

BACnet at Georgia Tech

November 1, 2007

Author(s)

Donald Alexander, Cornelius Ejimofor, David Holmberg

The Van Leer building at Georgia Tech was selected for a pilot project to study the feasibility of using an RTP-based temperature setback approach to energy...

Delivery of Fluorescent Probes Using Iron Oxide Particles as Carriers Enables In Vivo Labeling of Migrating Neural Precursors for MRI and Optical Imaging

November 1, 2007

Author(s)

James P. Sumner, Richard Conroy, Eric Shapiro, John M. Moreland, Alan P. Koretsky

Iron oxide particles are becoming an important contrast agent for magnetic resonance imaging (MRI) cell tracking studies. Simultaneous delivery of fluorescence...

Photoresist Cross-sectioning with Negligible Damage using a Dual-beam FIB-SEM: A High Throughput Method for Profile Imaging

November 1, 2007

Author(s)

James Clarke, Martin Schmidt, Ndubuisi George Orji

Imaging of photoresist cross sections in a focused ion beam (FIB)-scanning electron microscope (SEM) is demonstrated with negligible damage. An in situ chromium...

The role of metallurgy in the NIST investigation of the world trade center towers collapse

November 1, 2007

Author(s)

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

On August 21, 2002, on the direction of the U.S. Congress, the National Institute of Standards and Technology (NIST) initiated an investigation into the...

Development of Ultra-Low Magnetic Field Sensors With Magnetic Tunnel Junctions

October 31, 2007

Author(s)

Philip Pong, John E. Bonevich, William F. Egelhoff Jr.

The discovery of tunneling magnetoresistance (TMR) has enhanced the magnetoresistance (MR) ratio from the giant magnetoresistance (GMR) regime of around 10% to...

In God We Trust, X-Ray Everything Else! Standards for X-Ray and Gamma-Ray Security Screening Systems

October 31, 2007

Author(s)

Lawrence T. Hudson, Stephen M. Seltzer, Paul M. Bergstrom, Frank Cerra

A suite of technical performance standards is nearing completion that encompasses all the nation s security systems that screen using x-rays or gamma-rays...

Critical Role of Side-Chain Attachment Density on the Order and Device Performance of Polythiophenes

October 30, 2007

Author(s)

Regis J. Kline, Dean DeLongchamp, Daniel A. Fischer, Eric K. Lin, Lee J. Richter, Michael L. Chabinyc, Martin Heeney, Iain McCulloch

High performance, solution processable semiconductors are critical to the realization of low cost, large area electronics. We show that a signature molecular...

Compositional Control in Electrodeposited Ni (subscript x) Pt (subscript 1-x) Films

October 29, 2007

Author(s)

J Mallett, Erik B. Svedberg, John E. Bonevich, Alexander J. Shapiro, William F. Egelhoff Jr., Thomas P. Moffat

Electrochemical co-deposition of a series of fcc Ni(subscript x)PT(subscript 1-x) alloys is demonstrated. The alloy composition is a monotonic function of...

The Effect of Temperature on the Morphology and Kinetics of Surface Pattern Formation in Thin Block Copolymer Films

October 29, 2007

Author(s)

A P. Smith, Jack F. Douglas, Eric J. Amis, Alamgir Karim

Hole formation and size evolution on the surface of thin films of symmetric diblock copolymers is simultaneously investigated as a function of time, t...

Crystal Structure, Magnetic, and Dielectric Properties of Aurivillius-Type Bi₃Fe_0.5Nb_1.5O₉

October 28, 2007

Author(s)

M W. Lufaso, W A. Schulze, L Misture, Terrell A. Vanderah

Bi3Fe0.5Nb1.5O9 was synthesized using conventional solid state techniques and its crystal structure refined by the Rietveld method using neutron powder...

Pulsed Laser Deposition and Characterization of Hf-based High-k Dielectric Thin Films

October 26, 2007

Author(s)

Joseph C. Woicik, M A. Sahiner, Timothy Kurp, Jeffrey Serfass, Marc Aranguren

The continuous downward scaling of the complementary metal oxide semiconductor (CMOS) devices has enabled the Si-based semiconductor industry to meet the...

Non Uniform Structural Degradation in Porous Organosilicate Films Exposed to Plasma, Etching and Ashing as Characterized by X-Ray Porosimetry

October 25, 2007

Author(s)

Hae-Jeong Lee, Christopher L. Soles, Eric K. Lin, Wen-Li Wu, Yiping Liu

The microelectronics industry critically needs non-destructive methodologies capable of profiling the porosity characteristics as a function of depth in the...

Mesoporous Silica Films with Long-Range Order Prepared from Strongly Segregated Block Copolymer/Homopolymer Blend Templates

October 24, 2007

Author(s)

Vijay Tirumala, R A. Pai, Sumit Agarwal, Curran Chandler, Gaurav Bhatnagar, Alvin Omang, Eric K. Lin, J J. Watkins

Well ordered mesoporous silica films were prepared by infusion and selective condensation of Si alkoxides within pre-organized block copolymer/homopolymer blend...

Fatigue Crack Growth Rates in Pipeline Steels Using Curved M(T) Specimens

October 23, 2007

Author(s)

Philippe P. Darcis, John M. Treinen, Joseph D. McColskey

This study presents fatigue data for two different ferrite-pearlite pipeline steels. A fatigue crack growth test for full thickness curved pipeline samples was...

Electron Impact Ionization of Metastable Rare Gases: He, Ne and Ar

October 23, 2007

Author(s)

M A. Ali, Philip M. Stone

Ionization cross sections by electron impact of atoms are important quantities needed for modeling of low temperature plasmas and gas discharges. Although...

Manifestation of Anisotropy in Melting Systematics of RBa3Cu3O7- (R=Ianthandies)

October 22, 2007

Author(s)

H B. Su, D O. Welch, Winnie Wong-Ng, Lawrence P. Cook, Zhi Yang

The Molecular Origin of Enhanced Toughness in Double-Network Hydrogels

October 22, 2007

Author(s)

Taiki Tominaga, Vijay Tirumala, Eric K. Lin, Jian P. Gong, Hidemitsu Furukawa, Yoshihito Osada, Wen-Li Wu

The long-standing pursuit of a synthetic equivalent to tissue cartilage has seen significant new activity with the development of a new materials strategy...

Fabrication and mechanical characterization of a force sensor based on an individual carbon nanotube

October 19, 2007

Author(s)

Gurpreet Singh, Paul Rice, Roop L. Mahajan

We demonstrate the design and calibration of a novel individual carbon nanotube (CNT) based mechanical force sensor for measuring cell wall compliance. The...

An Automated Densimeter for the Rapid Characterization of Industrial Fluids

October 18, 2007

Author(s)

Stephanie L. Outcalt, Mark O. McLinden

An apparatus for the automated measurement of compressed liquid densities over the temperature range of 270 K to 470 K and pressures to 50 MPa is described. The...

Confinement, Entropy, and Single-Particle Dynamics of Equilibrium Hard-Sphere Mixtures

October 18, 2007

Author(s)

Jeetain Mittal, Vincent K. Shen, Jeffrey R. Errington, Thomas M. Truskett

We use discontinuous molecular dynamics and grand-canonical transition-matrix Monte Carlo simulations to explore how confinement between parallel hard walls...

Cruciform Fillet Welded Joint Fatigue Strength Improvements by Weld Metal Phase Transformations

October 17, 2007

Author(s)

Philippe P. Darcis, H. Katsumoto, M C. Payares-Asprino, S. Liu, Thomas A. Siewert

Arc welding typically generates residual tensile stresses in welded joints, leading to deteriorated fatigue performance of these joints. Volume expansion of the...

Kinetics Studies of the Interfacial Reactions of the Ba₂Ycu₃O_6+x Superconductor With CeO₂ Buffer

October 16, 2007

Author(s)

Lawrence P. Cook, Winnie K. Wong-Ng, Z Yang, Peter K. Schenck, Igor Levin, Julia Frank

Interfacial reactions between the Ba2YCu3O6+x superconductor and the CeO2 buffer layer employed in coated conductors have been modeled experimentally by...

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