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Journals

Laser Cooling Transitions in Atomic Erbium

April 18, 2005

Author(s)

H Ban, M Jacka, James L. Hanssen, Joseph Reader, Jabez J. McClelland

We discuss laser cooling opportunities in atomic erbium, identifying five J rarr} J + 1 transitions from the 4f 126s 2 3H 6 ground state that are accessible to...

Network Transfer of Control Data: An Application of the NIST Smart Data Flow

April 15, 2005

Author(s)

Martial Michel, Vincent M. Stanford, O P. Galibert

Pervasive Computing environments range from basic mobile point of sale terminal systems, to rich Smart Spaces with many devices and sensors such as lapel...

Electrolytic conductivity of four imidazolium-based room-temperature ionic liquids and the effect of a water impurity

April 9, 2005

Author(s)

Jason A. Widegren, Eric M. Saurer, Kenneth N. Marsh, Joe W. Magee

The electrolytic conductivities (κ) of four hydrophobic room-temperature ionic liquids (RTILs) were measured at temperatures from 288.15 K to 323.15 K. The...

Reaction gas chromatography/mass spectrometry. 2the use of catalytic on-line dehydrogenation for the investigation of alcohols by gas chromatography/mass spectrometry

April 7, 2005

Author(s)

Anzor I. Mikaia, Vladimir Smetanin, Vladimir G. Zaikin, Alla V. Antonova, Nikolay A. Prostakov

A GC-MS method is developed for structure determination of aliphatic within mixtures. It involves online application of a gas-phase dehydrogenation reaction...

Improvement in the Low Energy Collection Efficiency of Si(Li) X-Ray Detectors

April 7, 2005

Author(s)

C E. Cox, Daniel A. Fischer, W G. Schwarz, Y Song

Soft X-ray beam-line applications are of fundamental importance to material research, and commonly employ high-resolution Si(Li) detectors for Energy Dispersive...

Elastic-property measurements of ultrathin films using atomic force acoustic microscopy

April 5, 2005

Author(s)

Malgorzata Kopycinska-Mueller, Roy H. Geiss, Jens Mueller, Donna C. Hurley

Atomic force acoustic microscopy (AFAM), an emerging technique that affords nanoscale lateral and depth resolution, was employed to measure the elastic...

Systematic Errors in Noise Parameter Determination Due To Imperfect Source Impedance Measurements

April 4, 2005

Author(s)

Dave K. Walker, Wojciech Wiatr

We present a rigorouse two-step analysis of systematic errors in the four-noise parameter determination of a two-port network using the cold-source technique...

Standards for Validation of Cancer Biomarkers

April 2, 2005

Author(s)

Catherine D. O'Connell, Donald H. Atha, J P. Jakupciak

Over the past 10 years, DNA testing to identify disease associated mutations and specific organisms, which represent public health and safety concerns, have...

An Overview and Analysis of PDA Forensic Tools

April 2, 2005

Author(s)

Wayne Jansen, Richard Ayers

Mobile handheld devices are becoming evermore affordable and commonplace in society. When they are involved in a security incident or crime, forensic...

Refractometry Using a Helium Standard

April 1, 2005

Author(s)

Jack A. Stone Jr., Alois Stejskal

The refractive index of helium at atmospheric pressure can be calculated from first principles with a very low uncertainty, on the order of 10^-10. Furthermore...

Study of a Dissipative Particle Dynamics Based Approach for Modeling Suspensions

April 1, 2005

Author(s)

Nicos Martys

In this paper, a dissipative particle dynamics (DPD)-based approach for modeling suspensions is examined. A series of tests are applied comparing simulation...

Development and Certification of NIST Standard Reference Materials for Relative Raman Intensity Calibration

April 1, 2005

Author(s)

E S. Etz, Steven J. Choquette, Wilbur S. Hurst

In the practice of analytical Raman spectroscopy, it becomes increasingly important to employ a procedure for the correction of the relative intensity of Raman...

Prediction and Three-Dimensional Monte-Carlo Simulation for Tensile Properties of Unidirectional Hybrid Composites

April 1, 2005

Author(s)

Martin Y. Chiang, Xianfeng Wang, Carl R. Schultesiz

A three-dimensional fiber tow-based analytical model incorporating shear-lag theory and a statistical strength distribution has been used to simulate the...

The OATS Method Revisited

April 1, 2005

Author(s)

Christopher L. Holloway, Perry F. Wilson, Robert German

Open area test sites (OATS) or equivalent semi-anechoic chambers are the most commonly used sites for EMC emissions tests. This article discusses the origins of...

Precision Measurements of AC Josephson Voltage Standard Operating Margins

April 1, 2005

Author(s)

Charles J. Burroughs, Samuel P. Benz, Paul D. Dresselhaus, Yonuk Chong

Recent advances in circuit design and fabrication of superconducting integrated circuits have enabled us to demonstrate an ac Josephson voltage standard (ACJVS)...

2.6 V high-resolution programmable Josephson voltage standard circuits using double-stacked MoSi2-barrier junctions

April 1, 2005

Author(s)

Yonuk Chong, Charles J. Burroughs, Paul D. Dresselhaus, Nicolas Hadacek, Hirotake Yamamori, Samuel P. Benz

Using a new circuit design and double-stacked junction technology we have demonstrated fully functional high-resolution programmable voltage standard chips with...

Progress on Johnson Noise Thermometry using a Quantum Voltage Noise Source for Calibration

April 1, 2005

Author(s)

Sae Woo Nam, Samuel P. Benz, Paul D. Dresselhaus, Charles J. Burroughs, Weston L. Tew, D. R. White, John M. Martinis

We describe our progress towards a high-precision measurement of temperature using Johnson noise. Using a Quantized Voltage Noise Source (QVNS) based on the...

Scanning Electron Microscope Dimensional Metrology Using a Model-Based Library

April 1, 2005

Author(s)

John S. Villarrubia, Andras Vladar, Michael T. Postek

The semiconductor electronics industry places significant demands upon secondary electron imaging to obtain dimensional measurements that are used for process...

International Comparisons of Femtosecond Laser Frequency Combs

April 1, 2005

Author(s)

Long-Sheng Ma, Zhiyi Bi, A Bartels, Lennart Robertsson, Massimo Zucco, Robert Windeler, G Wilpers, Christopher W. Oates, Leo W. Hollberg, Scott A. Diddams

Two types of international comparisons of femtosecond laser frequency combs have been performed in France and the USA. Five combs were involved in the...

Manipulating Cell Adhesion on Gradient Poly(2-Hydroxyethyl Methacrylate)-Grafted Surfaces

April 1, 2005

Author(s)

Ying Mei, Tao Wu, Chang Xu, K J. Langenbach, John T. Elliott, B D. Vogt, Kathryn L. Beers, Eric J. Amis, N Washburn

In this study, a simple and versatile method was developed to prepare the low grafting density initaitor gradient, which was combined with surface initiated...

Chemical Imaging of Heterogeneous Polymeric Materials With Near-Field IR Microscopy

April 1, 2005

Author(s)

Chris A. Michaels, D B. Chase, Stephan J. Stranick

The development of techniques to probe spatial variations in chemical composition on the nanoscale continues to be an important area of research in the...

Microfluidic Platform for the Generation of Organic-Phase Microreactors

April 1, 2005

Author(s)

Zuzanna T. Cygan, J Cabral, Kathryn L. Beers, Eric J. Amis

Rapid prototyping photolithography of a thiolene based resin was used to fabricate microfluidic devices stable to aliphatic and aromatic organic solvents. The...

Combinatorial Approach to the Edge Delamination Test for Thin Film Reliability - Adaptibility and Variability

April 1, 2005

Author(s)

Martin Y. Chiang, R Song, A J. Crosby, Alamgir Karim, C. K. Chiang, Eric J. Amis

In this study, a high-throughput combinatorial approach to edge delamination test is proposed to map the failure of adhesion as a function of both temperature...

Synthesis and Characterization of Methacrylate Derivatives of Oligo-Ether Carbonate Diols

April 1, 2005

Author(s)

S Bencherif, K S. Wilson, Elizabeth Wilder, Joseph M. Antonucci

Dimethacrylate monomers of several types are widely used in preventative and restorative dental applications. One such monomer that ushered in the modern era of...

Assessment of the Role of Filler Size in Amorphous Calcium Phosphate Filled Methacrylate Dental Composites (Poster)

April 1, 2005

Author(s)

Joseph M. Antonucci, Drago Skrtic

The goal of this study was to assess the effects of the ACP s filler particle size on the physicochemical and mechanical properties of EBPADMA-based composites...

Genetic Cellular Responses to Tyrosine-Derived Polycarbonate Blends

April 1, 2005

Author(s)

L A. Bailey, Matthew Becker, James A. Cooper, J Kohn, Eric J. Amis

The evaluation and identification of detrimental interactions between biological species and synthetic surfaces is a daunting challenge as the number of...

Physical Properties of Composite Bone Grafts Consisting of Calcium Phosphate Cement and Chondroitin Sulfate (Poster)

April 1, 2005

Author(s)

Francis W. Wang, S Hirayama, James H. Yen, Shozo Takagi

Calcium phosphate cement (CPC), consisting of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA), sets by reacting with water to form...

Melting Investigation of the System BaF₂-BaO-1/2Y₂O₃-CuO_x-H₂O

April 1, 2005

Author(s)

Winnie K. Wong-Ng, Lawrence P. Cook, J Suh, Igor Levin, Ron Feenstra

Lateral Deformation of Diffusion Couples

April 1, 2005

Author(s)

William J. Boettinger, Geoffrey B. McFadden, Sam R. Coriell, R F. Sekerka, James A. Warren

A model is proposed to describe the shape change (displacement field) of a binary diffusion couple when the intrinsic (lattice) diffusivities of the two...

Manipulating Cell Adhesion on Gradient Poly92-Hydroxyethyl Methacrylate)--Grafted Surfaces

April 1, 2005

Author(s)

Ying Mei, Tao Wu, Chang Xu, K J. Langenbach, John T. Elliott, B D. Vogt, Kathryn L. Beers, Eric J. Amis, N Washburn

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