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Journals

Second Harmonic Magneto-Resistive Imaging to Authenticate and Recover Data from Magnetic Storage Media

March 1, 2005

Author(s)

David P. Pappas, Alexey Nazarov, D Stevenson, Steven Voran, Mike E. Read, Erin M. Gormley, James Cash, Ken Marr, James Ryan

A scanning magneto-resistive (MR) microscope was developed for high resolution imaging of magnetic tapes and digital media. Second harmonic detection was used...

Optimizing Arrays of Randomly Placed Wireless Transmitters for Proximately Located Receivers

March 1, 2005

Author(s)

William F. Young, Edward E. Kuester, Christopher L. Holloway

We are investigating the potential of using arbitrarily placed wireless transceivers to increase the probability of maintaining a communication link in an...

Large Scale Evaluation of Multimodal Biometric Authentication Using State-of-the-Art Systems

March 1, 2005

Author(s)

Robert D. Snelick, U Uludag, Alan Mink, Michael D. Indovina, A Jain

We examine the performance of multimodal biometric authentication systems using state-of-the-art Commercial Off-the-Shelf (COTS) fingerprint and face biometric...

Understanding Failure Response in Service Discovery Systems

March 1, 2005

Author(s)

Kevin L. Mills, Stephen Quirolgico, Christopher E. Dabrowski

Service discovery systems enable distributed components to find each other without prior arrangement, to express capabilities and needs, to aggregate into...

Combinatorial Approach to Study Enzyme/Surface Interactions

March 1, 2005

Author(s)

K Loos, S L. Kennedy, Naomi Eidelman, Y Tai, M Zharnikov, Eric J. Amis, A Ulman, R A. Gross

A fast combinatorial approach to access information on the immobilization behavior and kinetics of enzymes on a variation of surfaces is presented. As a test...

Through-Thickness Texture Inhomogeneity in a Recrystallized Al-Mg Alloy

March 1, 2005

Author(s)

J -. Liu, Stephen W. Banovic, Frank S. Biancaniello, Rodney D. Jiggetts

Through-thickness texture of a rolled and recrystallized Al-Mg continuous cast alloy was examined using electron backscattered diffraction. Results showed the...

Finite Element Implementation of a Thermodynamic Description of Piezoelectric Microstructures

March 1, 2005

Author(s)

E Garcia, W C. Carter, Stephen A. Langer

A model and numerical framework is developed for piezoelectric materials. The model treats the piezoelectric and electrostrictive effects by incorporating...

Propagating Waves of Network Formation Induced by Light

March 1, 2005

Author(s)

J Cabral, Jack F. Douglas

The exposure of a photopolymerizable liquid to ultraviolet (UV) radiation leads to a propagating wavefront of network formation that invades the unpolymerized...

Equilibrium Polymerization in the Stockmayer Fluid as a Model of Supermolecular Self-Organization

March 1, 2005

Author(s)

K VanWorkum, Jack F. Douglas

A diverse range of molecular self-organization processes arises from a competition between directional intermolecular interactions and isotropic van der Waals...

X-ray Absorption Spectroscopy to Probe Surface Composition and Surface Deprotection in Photoresist Films

March 1, 2005

Author(s)

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

We utilize near edge x-ray absorption fine structure spectroscopy (NEXAFS) to provide chemical insight into surface chemical effects in model photo-resist films...

Rapid Fixation of Methylene Chloride By a Macrocyclic Amine

March 1, 2005

Author(s)

J C. Lee, Keith J. Stanger, Bruce C. Noll, Carlos A. Gonzalez, M Marquez, Bradley D. Smith

A simple macrocyclic amine is alkylated by methylene chloride to give a quaternary ammonium chloride salt. When methylene chloride is the solvent, the reaction...

Isochoric Heat Capacity Measurements for a C02+N-Decane Mixture in the Near-Critical and Supercritical Regions

March 1, 2005

Author(s)

N. G. Polikhronidi, Rabiyat G. Batyrova, I M. Abdulagatov, Joe W. Magee, G. V. Stepanov

The isochoric heat capacity of a (0.7367 mole fraction) CO2 + (0.2633 mole fraction) n-decane mixture was measured in a range of temperatures from 362 to 577 K...

Ferryl (Fe=O) Termination of the Hematite a-Fe2O3(0001) Surface

March 1, 2005

Author(s)

C Lemire, S Bertarione, A Zechina, D Scarano, Anne M. Chaka, H J. Freund

Using scanning tunnelling microscopy and infrared reflection absorption spectroscopy we have observed that the alpha-Fe2O3(0001) surface unexpectedly exhibits...

Information Models for Product Representation: Core and Assembly Models

March 1, 2005

Author(s)

Sudarsan Rachuri, Mehmet M. Baysal, Utpal Roy, Sebti Foufou, Conrad Bock, Steven J. Fenves, Eswaran Subrahmanian, Kevin W. Lyons, Ram D. Sriram

This paper presents a revised and unified view of the NIST Core Product Model (CPM) [1; 2] and the NIST Open Assembly Model (OAM) [3]. The CPM provides a base...

Ontology-based Exchange of Product Data Semantics

March 1, 2005

Author(s)

Lalit Patil, D Dutta, Ram D. Sriram

An increasing trend toward product development in a collaborative environment has resulted in the use of various software tools to enhance the product design...

Measurement of Second Order Susceptibilities of GaN and AlGaN

March 1, 2005

Author(s)

Norman Sanford, Albert Davydov, Denis V. Tsvetkov, Vladimir A. Dmitriev, Stacia Keller, Umesh Mishra, Steven P. DenBaars, S S. Park, J H. Han

Rotational Maker fringes, scaled with respect to χ 11 (2) of crystalline quartz, were used to determine the nonlinear optical coefficients χ 31 (2) and χ 33 (2)...

Band 3 Modifications in Plasmodium Falciparum-Infected AA and CC Erythrocytes Assayed by Autocorrelation Analysis Using Quantum Dots

March 1, 2005

Author(s)

F Tokumasu, R M. Fairhurst, G R. Ostera, N J. Brittain, Jeeseong C. Hwang, T E. Wellems, J A. Dvorak

The molecular stability of hemoglobin is critical for normal erythrocyte functions, including oxygen transport. Hemoglobin C (HbC) is a mutant hemoglobin that...

Reverse Short Channel Effects in High-k Gated nMOSFETs

February 28, 2005

Author(s)

Jin-Ping Han, Sang-Mo Koo, Eric M. Vogel, Evgeni Gusev, C. D'Emic, Curt A. Richter, John S. Suehle

Detailed Study and Projection of Hard Breakdown Evolution in Ultra-Thin Gate Oxides

February 28, 2005

Author(s)

John S. Suehle, Baozhong Zhu, Yuan Chen, J B. Bernstein

The mechanism responsible for post soft-breakdown leakage current increase in ultra-thin oxides depends on the nature of the conducting filament formed at the...

The National Institute of Standards and Technology (NIST) Publications Knowledge Management Program

February 25, 2005

Author(s)

Mary D. Coraggio

Simultaneous state measurement of coupled Josephson phase qubits

February 25, 2005

Author(s)

Robert McDermott, Raymond Simmonds, Matthias Steffen, Ken B. Cooper, Katarina Cicak, Kevin Osborn, Seongshik Oh, David P. Pappas, John M. Martinis

One of the many challenges of building a scalable quantum computer is singleshot measurement of all the quantum bits (qubits). We have used simultaneous single...

Chemical Etch Studies of Ag/n-Si Metal-Semiconductor Composite Films

February 24, 2005

Author(s)

Ibrahima Diagne, Juan White, Mandoye Ndoye, Clayton W. Bates, W. R. Thurber

Characterization of Ordered Mesoporous Silica Films Using Small Angle Neutron Scattering and X-Ray Porosimetry

February 23, 2005

Author(s)

B D. Vogt, R A. Pai, Hae-Jeong Lee, R C. Hedden, Christopher L. Soles, Wen-Li Wu, Eric K. Lin, Barry J. Bauer, J J. Watkins

Ordered mesoporous silica films were synthesized using pre-organized block copolymer templates in supercritical carbon dioxide. Poly(ethylene oxide-block...

Effects of residual stress on the thin-film elastic moduli calculated from surface acoustic wave spectroscopy experiments

February 23, 2005

Author(s)

R E. Kumon, Donna C. Hurley

We have developed a method to examine how residual stress affects the values of the elastic moduli of thin films determined from surface acoustic wave...

Reaction gas chromatography/mass spectrometry

February 22, 2005

Author(s)

Anzor Mikaia, Vladimir G. Zaikin

A GC-MS method for online derivatization of various classes of compounds is developed.

A chip-scale atomic clock based on ⁸⁷Rb with improved frequency stability

February 21, 2005

Author(s)

Svenja A. Knappe, P Schwindt, V Shah, Leo W. Hollberg, John E. Kitching, Li-Anne Liew, John Moreland

We demonstrate a microfabricated atomic clock physics package based on coherent population trapping (CPT) of 87Rb atoms. The package occupies a volume of 12 mm...

External Quantum Efficeincy of Pt/n-GaN Schottky Diodes in the Spectral Range 5-500 nm

February 21, 2005

Author(s)

A Shahid, Robert E. Vest, D Franz, F Yan, Y Zhao, Brent Mott

Effect of Uniaxial Strain on the Surface Roughness of Pure MG and MG-AZ31 Alloy

February 21, 2005

Author(s)

Mark R. Stoudt, A -. Munitz, Stephen W. Banovic, Richard J. Fields

Pure Mg and Mg AZ31 alloy samples were deformed in uniaxial tension and the resultant surface topographies were characterized with optical microscopy, scanning...

Measurement of detector nonlinearity at 193 nm

February 20, 2005

Author(s)

Holger Laabs, Darryl A. Keenan, Shao Yang, Marla L. Dowell

We have developed a measurement system based on a correlation method to characterize the nonlinearity of a detector's response over a large range of laser pulse...

Random decoupling schemes for quantum dynamical control and error suppression

February 18, 2005

Author(s)

Lorenza Viola, Emanuel Knill

We introduce a general control-theoretic setting for random dynamical decoupling, applicable to quantum , engineering of both closed-and open-system dynamics...

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