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Journals

An Ultra-Low Noise Superconducting Antenna-Coupled Microbolometer With a Room-Temperature Read-Out

August 1, 2006

Author(s)

A. Luukanen, Erich N. Grossman, Aaron J. Miller, P. Helisto, J. S. Penttila, H. Sipola, H. Seppa

In this letter, we report the electrical and optical characteristics of a superconducting vacuum-bridge microbolometer with an electrical noise equivalent power...

R-22 Replacement Status (In Spanish)

August 1, 2006

Author(s)

J M. Calm, Piotr A. Domanski

Since its initial recognition in 1928 and commercialization in 1936, R-22 has been applied in systems ranging from the smallest window air conditioners to the...

Addressing Security in the Early Stages of the Project Life Cycle

August 1, 2006

Author(s)

Benjamin Matthews, Jonathan Sylvie, Edd Gibson, Stephen R. Thomas, Robert E. Chapman, Sang-Hoon Lee

This article summarizes the first phase of a three-phase research effort to develop and deploy best practices for project security on industrial projects. It...

Editorial for IEEE Transactions on Microwave Theory and Techniques Mini-Special Issue on Large-Signal Characterization and Modeling of Nonlinear Analog Devices, Circuits, and Systems

August 1, 2006

Author(s)

Kate Remley, Nuno de Carvalho, David Root

As Guest Editors, we are honored and excited to introduce this Mini-Special Issue of the Transactions devoted to Measurements for Large-Signal Characterization...

Depth Profiling Using C₆₀+ SIMS Deposition and Topography Development During Bombardment of Silicon

July 30, 2006

Author(s)

John G. Gillen, J Batteas, Chris A. Michaels, P Chi, John A. Small, Eric S. Windsor, Albert J. Fahey, Jennifer R. Verkouteren, W Kim

A C60+ primary ion source has been coupled to an ion microscope SIMS instrument to examine sputtering of silicon with an emphasis on possible application of C60...

Round Robin Study of Arsenic Implant Dose Measurement in Silicon by SIMS

July 30, 2006

Author(s)

David S. Simons, Richard M. Lindstrom

Generalized Entanglement and Quantum Phase Transitions

July 30, 2006

Author(s)

Rolando Somma, Howard Barnum, Emanuel Knill, Gerardo Ortiz, Lorenza Viola

Effective visualizations can help researchers obtain a more complete understanding of high-level mathematical functions that arise in mathematics, statistics...

Electrochemical Study of Chitosan Films Deposited on Gold Electrodes

July 28, 2006

Author(s)

Rebecca A. Zangmeister, J J. Park, G W. Rubloff, Michael J. Tarlov

We report the electrochemical characterization of chitosan films deposited on gold electrodes. Cyclic voltammetry was used to characterize the deposition and...

Influence of Confinement on the Fragility of Antiplasticized and Pure Polymer Films

July 27, 2006

Author(s)

Robert A. Riggleman, K Yoshimoto, Jack F. Douglas, J J. de Pablo

We investigate by molecular dynamics simulation how thin film confinementmodifies the fragility of a model glass-forming liquid characterized previously in the...

Reactions of the Amine-Containing Drugs Fluoxetine and Metoprolol During Chemical Processes Used in Wastewater Treatment

July 25, 2006

Author(s)

Mary Bedner, William A. MacCrehan

The reactivity of the amine containing pharmaceuticals fluoxetine and metoprolol with hypochlorite were studied using conditions that simulate wastewater...

Deprotection Kinetics in 193 nm Photoresist Thin Films: Influence of Copolymer Content

July 25, 2006

Author(s)

Shuhui Kang, Vivek M. Prabhu, B D. Vogt, Eric K. Lin, Wen-Li Wu, Karen Turnquest

The reaction-diffusion mechanism of photoacids is dependent upon many variables including the reaction rate, size of the acid counterion species and temperature...

Multi-Path Multi-Channel Routing Protocol

July 24, 2006

Author(s)

Hamid Gharavi

In this paper we present a DSR-based multi-path Routing protocol, which has been developed for transmission of Multiple Description Coded (MDC) packets in...

Differentially detected coherent population trapping resonances excited by orthogonally polarized laser fields

July 24, 2006

Author(s)

V Shah, Svenja A. Knappe, Michael Rosenbluh, John E. Kitching

We demonstrate the excitation and low-noise detection of coherent population trapping (CPT) resonances with two modulated optical fields with orthogonal...

Metrics for Evaluating Human-Information Interaction Systems

July 24, 2006

Author(s)

Jean C. Scholtz

Society today has a wealth of information available due to information technology. The challenge facing researchers working in information access is how to help...

The Pseudo-mitochondrial Genome Influences Mistakes in Heteroplasmy Interpretation

July 21, 2006

Author(s)

Ryan L. Parr, Jennifer Maki, Brian Reguly, Gabriel D. Dakubo, A A. Aguirre, Roy Wittock, Kerry Robinson, J P. Jakupciak, Robert E. Thayer

Nuclear mitochondrial pseudogenes (numts) are a potential source of contamination during mitochondrial DNA PCR amplification. This paper is the first to fully...

Toward Standardization of Cardiac Troponin I Measurements Part II: Assessing Commutability of Candidate Reference Materials and Harmonization of Cardiac Troponin I Assays

July 20, 2006

Author(s)

R. H. Christenson, S. H. Duh, F. S. Apple, G. S. Bodor, David M. Bunk, Mauro Panteghini, Michael J. Welch, A. H. Wu

Subsolidus Phase Equilibria and Properties in the Magnetic Dielectric System Bi₂O₃:Mn₂O_3+x:Nb₂O₅

July 20, 2006

Author(s)

Terrell A. Vanderah, M W. Lufaso, A U. Adler, Igor Levin, Juan C. Nino, Virgil Provenzano, Peter K. Schenck, Robert S. Roth

Subsolidus phase relations have been determined for the Bi-Mn-Nb-O system in air (750-900 C). Phases containing Mn2+, Mn3+, and Mn4+ were all observed. Ternary...

Heralding of telecommunication photon pairs with a superconducting single photon detector

July 19, 2006

Author(s)

Martin A. Jaspan, Jonathan L. Habif, Sae Woo Nam, Robert Hadfield

Experiments involving entangled photon pairs created via spontaneous parametric down conversion typically use wavelengths in the visible regime. The extension...

Time-Resolved Infrared Absorption Study of Cyclopentadienyl Manganese Tricarbonyl Derivatives With Pendant Sulfides in Acetonitrile

July 18, 2006

Author(s)

Tung T. To, Edwin J. Heilweil, T J. Burkey

The chelation dynamics of [5-C5H4C(O)R]Mn(CO)3 complexes 1 (R = CH2(SCH3)3), 2 (R = CH(SCH3)2), and 3 (R = C(SCH3)3) in room temperature acetonitrile solution...

Real Time Shape Evolution of Nanoimprinted Polymer Structures During Thermal Annealing

July 18, 2006

Author(s)

Ronald L. Jones, T Hu, Christopher L. Soles, Eric K. Lin, R M. Reano, Stella W. Pang, D M. Casa

The real time shape of nanoimprinted polymer patterns are measured as a function of annealing temperature and time using a new metrology technique, Critical...

Fast lifetime measurements of infrared emitters using a low-jitter superconducting single-photon detector

July 18, 2006

Author(s)

Martin Stevens, Robert Hadfield, Robert E. Schwall, Sae Woo Nam, Richard Mirin

We use a superconducting single-photon detector with less than 40 Hz dark count rate to measure spontaneous emission lifetimes of quantum wells emitting light...

Enhanced light extraction from circular Bragg grating coupled microcavities

July 18, 2006

Author(s)

Mark Su, Richard Mirin

A sevenfold enhancement of light extraction over a 130 nm bandwidth from a semiconductor at room temperature was achieved using circular Bragg gratings (CBGs)...

Fabrication of GaN-based Nanoscale Device Structures Utilizing Focused Ion Beam Induced Pt Deposition

July 15, 2006

Author(s)

Abhishek Motayed, A V. Davydov, Mark D. Vaudin, John Melngailis, S. N. Mohammad

C-axis oriented epitaxial BaTiO3 films on (001) Si

July 15, 2006

Author(s)

V Vaithyanathan, J Lettieri, W Tian, A Kochhar, H Ma, A Sharan, A Vasudevarao, J. A. Aust, Y Li, L Q. Chen, P Zschack, Joseph Woicik, J Levy, D G. Schlom

A single-atom optical clock with high accuracy

July 14, 2006

Author(s)

Windell Oskay, Scott A. Diddams, Elizabeth A. Donley, Tara M. Fortier, Thomas P. Heavner, Leo W. Hollberg, Wayne M. Itano, Steven R. Jefferts, M J. Jensen, Kyoungsik Kim, F Levi, Thomas E. Parker, James C. Bergquist

For the past fifty years, atomic frequency standards based on the cesium ground-state hyperfine splitting have been the most accurate timepieces in the world...

Experimental separability of channeling giant magnetoresistance in Co/Cu/Co

July 13, 2006

Author(s)

William E. Bailey, Stephen E. Russek, X.-G. Zhang, W. H. Butler

The magnitude of the electronic channeling contribution is a significant open issue in the understanding of giant magnetoresistance (GMR). We show that for the...

Cement Hydration: Building Bridges and Dams at the Microstructure Level

July 12, 2006

Author(s)

Dale P. Bentz

The concurrent goals of cement hydration are to percolate (bridge) the original cement particles into a load-bearing network and to depercolate (dam) the...

A Summary of Reconnaissance of the Clinton, MO Elks Lodge Building Collapse on June 26, 2006

July 12, 2006

Author(s)

Hai S. Lew, Long T. Phan

A three-story unreinforced brick building in Clinton, MO, collapsed on June 26, 2006 causing one fatality. The building was built in the 1880s. Two NIST...

Propagation of shape-preserving optical pulses in inhomogeneously broadened multi-level systems

July 12, 2006

Author(s)

Lu Deng, Guoxiang Huang, C Hang

We study stable propagation of multiple shape-preserving optical pulses in an inhomogeneously broadened multi-level atomic medium. By analytically solving the...

Mapping substrate/film adhesion with contact-resonance-frequency atomic force microscopy

July 12, 2006

Author(s)

Donna C. Hurley, M Kopycinski-Muller, Eric Langlois, Anthony B. Kos, N. Barbosa

We have used contact-resonance-frequency atomic force microscopy techniques to nondestructively image variations in adhesion as a buried interface. Images were...

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