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Journals

Electron Effective Attenuation Lengths in Electron Spectroscopies

January 1, 2004

Author(s)

Aleksander Jablonski, Cedric J. Powell

An important measure of the opacity of a solid with respect to monoenergetic electrons in a solid is the effective attenuation length (EAL). However, there is...

Surface Oxygen Chemistry of a Gas Sensing Material: SnO₂(101)

January 1, 2004

Author(s)

M Batzill, K Katsiev, Anne M. Chaka, A C. Diebold

Experimental techniques and density functional theory have been employed to identify the surface composition and structure of SnO 2(101). The stoichiometric Sn...

Evaluation and Selection in Product Design for Mass Customization: A Knowledge Decision Support Approach

January 1, 2004

Author(s)

XuanFang Zha, Ram D. Sriram, W F. Lu

Mass customization has been identified as a competitive strategy by an increasing number of companies. Family-based product design has been recognized as an...

Spot Weld Analysis with Two-Dimensional Ultrasonic Arrays

January 1, 2004

Author(s)

D A. Denisov, Craig M. Shakarji, R G. Maev, J M. Paille, B B. Lawford

This paper describes a threefold method of testing the performance of an array-based ultrasonic tool for nondestructive testing of spot welds. The tool is...

Sensitivity of a Plate Pyroelectric Detector to Ambient Acoustic Noise: The Significance of the Perfectly-Clamped Mounting Condition

January 1, 2004

Author(s)

John H. Lehman, Harald Gnewuch, Chris Pannell

The unwanted sensitivity of a plate pyroelectric detector to airborne acoustic noise is critically dependent on the mounting conditions for the plate. We...

Lingering Lead Length Legacies in Surge-Protective Devices Applications

January 1, 2004

Author(s)

Francois D. Martzloff, Kermit Phipps

Two experiments are reported to show how some lingering inherited misconceptions about the applications of surge-protective devices (SPDs) can lead to erroneous...

Comparative Thickness Measurements of SiO₂/Si Films for Thicknesses Less than 10 nm

January 1, 2004

Author(s)

Terrence J. Jach, Joseph Dura, Nhan Van Nguyen, J Swider, G Cappello, Curt A. Richter

A Time-Domain SQUID multiplexer for readout of x-ray microcalorimeter arrays

January 1, 2004

Author(s)

W.Bertrand (Randy) Doriese, Jonathan Beall, Joern Beyer, Steven Deiker, S. L. Ferreira, Gene C. Hilton, Kent D. Irwin, John M. Martinis, Sae Woo Nam, Carl D. Reintsema, Joel Ullom, Leila R. Vale

SQUID multiplexers are being developed at NIST for the readout of large arrays of transition-edge-sensor (TES) detectors. Applications for these arrays include...

Knowledge Engineering for Real Time Intelligent Control

December 31, 2003

Author(s)

Elena R. Messina, James S. Albus, Craig I. Schlenoff, J L. Evans

The key to real-time intelligent control lies in the knowledge models that the system contains. We argue that there needs to be a more rigorous approach to...

3D Cable-Based Cartesian Metrology System

December 31, 2003

Author(s)

R L. Williams, James S. Albus, Roger V. Bostelman

A novel cable-based metrology system is presented wherein six cables are connected in parallel from groundmounted string pots to the moving object or tool of...

Accurate control of Josephson phase qubits

December 30, 2003

Author(s)

Matthias Steffen, John M. Martinis, Isaac C. Chuang

A quantum bit is a closed two-dimensional Hilbert space, but often experimental systems have three or more energy levels. In a Josephson phase qubit the energy...

Ionization Chamber Measurements of the Half-lives of ²⁴Na, ⁴²K, ⁷⁶As and ¹⁹⁸Au

December 29, 2003

Author(s)

M P. Unterweger, Richard M. Lindstrom

Improving the Sensitivity of Electron Beam Microanalytical Techniques by Enhanced X-Ray Spectrometry: X-Ray Microcalorimetry, Silicon Drift Detector Energy Dispersive X-ray Spectrometry, and Polycapillary X-ray Optics

December 25, 2003

Author(s)

Dale E. Newbury

The microcalorimeter energy dispersive x-ray spectrometer, the silicon drift detector (SDD), and polycapillary x-ray optics are recent developments that have...

Structure and Dynamics of Superconducting Na_xCoO₂ Hydrate and Its Unhydrated Analog

December 20, 2003

Author(s)

J W. Lynn, Q. Huang, C M. Brown, V L. Miller, M L. Foo, Raymond E. Schaak, C Y. Jones, Elizabeth A. Mackey, R J. Cava

Development and Characterization of a TES Optical Imaging Array for Astrophysics Applications

December 20, 2003

Author(s)

J. Burney, T. Bay, P. Brink, B. Cabrera, J. P. Castle, R. W. Romani, A. Tomada, Sae Woo Nam, Aaron J. Miller, John M. Martinis, E. Wang, T. Kenny, B. A. Young

Our research group has successfully developed photon detectors capable of both time-stamping and energy-resolving individual photons at very high rates in a...

Faradaic Current Detection During Anodic Oxidation of the H-Passivated p-Si(001) Surface with Controlled Relative Humidity

December 19, 2003

Author(s)

H Kuramochi, F Perez-murano, John A. Dagata, H Yokoyama

Faradaic current during anodic oxidation is measured over a relative humidity range of 40¿70% using an atomic force microscope with humidity control. The level...

Near Unity Absorption in Tungsten films

December 19, 2003

Author(s)

Danna Rosenberg, Sae Woo Nam, Aaron J. Miller, Arto Salminen, Erich N. Grossman, Robert E. Schwall, John M. Martinis

The number resolving ability and extremely low dark count rate of tungsten transition-edge sensors (TESs) make them excellent candidates to replace avalanche...

Controlled Vesicle Self-Assembly in Microfluidic Channels with Hydrodynamic Focusing

December 18, 2003

Author(s)

Andreas Jahn, Wyatt N. Vreeland, Michael Gaitan, Laurie E. Locascio

Suppression of excess noise in transition-edge sensors using magnetic field and geometry

December 17, 2003

Author(s)

Joel N. Ullom, William B. Doriese, Gene C. Hilton, James A. Beall, Steven Deiker, Kent D. Irwin, Carl D. Reintsema, Leila R. Vale, Yizi Xu

We report recent progress at NIST on Mo/Cu Transition-Edge Sensors (TESs). While the signal- band noise of our sensors agrees with theory, we observe excess...

Dilute Al-Mn alloys for superconductor device applications

December 17, 2003

Author(s)

Steve Ruggiero, Anthony Williams, W. H. Rippard, A. Clarke, Steven Deiker, Leila R. Vale, Joel N. Ullom

We discuss results on the superconducting and electron-transport properties of Mn doped Al produced by sputter deposition. The critical temperature of Al has...

The Advanced Technology Solar Spectroscopic Imager (ATSSI) - a Novel Experiment Employing a Transition-Edge Sensor to Probe the Soft X-Ray Solar Corona

December 17, 2003

Author(s)

P F. Boerner, D S. Martinez-Galarce, K Wamba, B. Cabrera, Steven Deiker, Kent D. Irwin, T W. Barbee, P F. Baker

The Advanced Technology Solar Spectroscopic Imager (ATSSI) is a sounding rocket-borne experiment that will employ a Transition-Edge Sensor (TES) placed at the...

Direct observation of photon pairs at a single output port of a beam-splitter interferometer

December 16, 2003

Author(s)

Matthew Shaw, Giovanni Di Giuseppe, A. Sergeinko, Bahaa E. A. Saleh, Malvin C. Teich, Aaron J. Miller, Sae Woo Nam

The seminal experiment carried out by Hong, Ou, and Mandel some fifteen years ago is one of the most important in the annals of quantum optics. This experiment...

INVESTIGATION OF NANODISPERSION IN POLYSTYRENE -MONTMORILLONITE NANOCOMPOSITES BY SOLID STATE NMR

December 15, 2003

Author(s)

S Bourbigot, Jeffrey W. Gilman, David L. VanderHart, W H. Awad, Rick D. Davis, A B. Morgan, C A. Wilkie

Nanocomposites result from combinations of materials with vastly different properties at the nanometer scale. These materials exhibit many unique properties...

Transient Analysis of Volatile Organic Compound Concentrations for Estimating Emission Rates

December 1, 2003

Author(s)

Andrew K. Persily, Cynthia H. Reed, Steven J. Nabinger

While VOC emissions rates have been obtained for building materials and furnishings in chambers, field measurements are more difficult due to the existence of...

Use of Microhotplates in the Controlled Growth and Characterization of Metal Oxides for Chemical Sensing

December 1, 2003

Author(s)

Richard E. Cavicchi, Stephen Semancik, F DiMeo, C J. Taylor

Microhotplates are micromachined platforms with integrated heaters and contact electrodes that can be used as miniature substrates for metal oxide film growth...

Rapid Identification of CW Agents by Artificial Neural Networks Pruning of Temperature Programmed Microsensor Databases

December 1, 2003

Author(s)

Zvi Boger, Richard E. Cavicchi, Douglas C. Meier, Stephen Semancik

The need for reliable, quick-acting low-cost detectors for chemical warfare (CW) gases is evident, and many sensors systems have been proposed 1,2. Mobile and...

Enemies at the Gate: Securing the BACnetRG Building.

December 1, 2003

Author(s)

David G. Holmberg

The building automation industry is moving away from isolated building control systems toward building automation systems (BAS) integrated with business...

Application of Control Charts for Detecting Faults in Variable-Air-Volume Boxes.

December 1, 2003

Author(s)

J Schein, John M. House

This paper describes a fault detection method developed for application to variable-air-volume (VAV) boxes. VPACC (VAV Box Performance Assessment Control Charts...

Crystallization and Phasing of Alanine Dehydrogenase From Archaeoglobus Fulgidus

December 1, 2003

Author(s)

N Smith, M P. Mayhew, Hugh Robinson, A Heroux, D Charlton, Marcia J. Holden, David T. Gallagher

Alanine dehydrogenase (AlaDH) from the hyperthermophilic archaeon A. fudgidus is a dimer of 35 kdal chains. The gene (AF1665) is annotated as an ornithine...

Evaluation of the Planck Mean Absorption Coefficients for Radiation Transport Through Smoke.

December 1, 2003

Author(s)

J F. Widmann

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