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Journals

Double Anomalous Peak in the Heat Capacity Just Below the Triple Point of Staurated e-H₂ With FeO(OH)^u1

January 1, 2005

Author(s)

T Nakano, Weston L. Tew, O Tamura, H Sakurai

The heat capacity of e-Hd2 with powder ofFeO(OH) used as a catalyst for ortho-para equilibration has been investigated using sealed cells fabricated at the...

Calculations of Electron Inelastic Mean Free Paths. VIII. Data for 15 Elemental Solids Over the 50 eV to 2000 eV Range

January 1, 2005

Author(s)

S Tanuma, Cedric J. Powell, David R. Penn

We report calculations of electron inelastic mean free paths (IMFPs) for 50 eV to 2000 eV electrons in 14 elemental solids (Li, Be, diamond, graphite, Na, K, Sc...

The Backscattering Factor in Auger-Electron Spectroscopy: New Approach for an Old Subject

January 1, 2005

Author(s)

Aleksander Jablonski, Cedric J. Powell

We describe an algorithm for the calculation of backscattering factors in Auger-electron spectroscopy that, unlike most previous analyses, is not based on the...

ELSEPA - Dirac Partial-Wave Calculation of Elastic Scattering of Electrons and Positrons by Atoms, Positive Ions and Molecules

January 1, 2005

Author(s)

Francesc Salvat, Aleksander Jablonski, Cedric J. Powell

The FORTRAN 77 code system ELSEPA for the calculation of elastic scattering of electrons and positrons by atoms, postive ions and molecules is presented. These...

Test Beds for Complex Systems

January 1, 2005

Author(s)

Albert T. Jones, A S. Deshmukh

Global competition requires major manufacturers to increase productivity, quality, and responsiveness while simultaneously decreasing costs and time to market...

Software Agents-Enabled Systems Coalition for Integrated Manufacturing Processes and Supply Chain Management

January 1, 2005

Author(s)

Shaw C. Feng, H Helaakoski, H Haapasalo, J Kipina

Most business negotiations in supply chain and information exchange in manufacturing processes are heavily human-involved using proprietary data formats. The...

Superconformal Film Growth: Mechanism and Quantification

January 1, 2005

Author(s)

T P. Moffat, D Wheeler, Monica D. Edelstein, D Josell

Formation of AlN and GaN nanocolumns on Si(111) using molecular beam epitaxy with ammonia as a nitrogen source

January 1, 2005

Author(s)

Kristine A. Bertness, Alexana Roshko, Norman Sanford, John B. Schlager, Matthew H. Gray

We have demonstrated growth of AlN and GaN nanocolumns using molecular beam epitaxy with ammonia as a nitrogen source. The appearance of the columnar structure...

Refractive index and birefringence of InGaN films grown by MOCVD

January 1, 2005

Author(s)

Norman Sanford, Anneli Munkholm, Mike A. Krames, Alexander J. Shapiro, Igor Levin, Albert Davydov, Safak Sayan, L Wielunski, T E. Madey

The refractive index and birefringence of InxGa1'xN films grown on GaN layers were measured by prism coupling used in conjunction with multilayer optical...

Fabrication and Analysis of GaN Nanorods grown by MBE

January 1, 2005

Author(s)

Norman Sanford, Larry Robins, Matthew H. Gray, J E. Van Nostrand, C Stutz, R Cortez, Albert Davydov, Alexander J. Shapiro, Igor Levin, Alexana Roshko

GaN nanorods were grown on c-plane sapphire substrates under N-rich conditions by plasma-assisted molecular-beam epitaxy. Scanning electron microsopy revealed...

Thermal conductivity correlations for minor constituent fluids in natural gas: n-Octane, n-Nonane, and n-Decane

January 1, 2005

Author(s)

Marcia L. Huber, Richard A. Perkins

Natural gas, although predominantly comprised of methane, often contains small amounts of heavier hydrocarbons that contribute to its thermodynamic and...

Spontaneous Dissociation of Long-Range Feshbach Molecules

January 1, 2005

Author(s)

T K hler, Eite Tiesinga, Paul S. Julienne

We study the spontaneous dissociation of diatomic molecules produced in cold atomic gases via magnetic field tunable Feshbach resonances. We provide a universal...

Modeling Ion and Fluid Transport in Unsaturated Cement Systems for Isothermal Conditions

January 1, 2005

Author(s)

E Samson, J Marchand, Kenneth A. Snyder, J J. Beaudoin

A description of ionic transport in unsaturated porous materials due to gradients in the electro-chemical potential and the moisture content is developed by...

Characterization of New miniSTR Loci to Aid Analysis of Degraded DNA

January 1, 2005

Author(s)

Michael D. Coble, John M. Butler

Errors Resulting From the Reflectivity of Calibration Targets

January 1, 2005

Author(s)

James P. Randa, Dave K. Walker, Robert L. Billinger, Amanda E. Cox

For a microwave total power radiometer, we consider the error introduced by neglecting the difference int he antenna reflection coefficient between when it...

Information Efficiency of Multihop Packet Radio Networks and Channel-Adaptive Routing

January 1, 2005

Author(s)

Michael R. Souryal, B R. Vojcic, R L. Pickholtz

We have implemented a quantum key distribution (QKD) system with polarization encoding at 850 nm over 1 km of optical fiber. The high-speed management of the...

Response to comments on ?}Statistical analysis of CIPM key comparisons based on the ISO guide

January 1, 2005

Author(s)

R M. Kacker, Raju V. Datla, Albert C. Parr

Systematic Bench-Scale Assessment of Perchlorate (Cl0₄^-) Rejection Mechanisms by Nanofiltration and Ultrafiltration Membranes

January 1, 2005

Author(s)

Y Yoon, G Amy, J Cho, J J. Pellegrino

Measurements of the rejection of Perchlorate anion (C104-) have been performed using two thin film composite (TFC) nanofiltration (NF) membranes and four...

On the Growth and Form of Spherulites

January 1, 2005

Author(s)

L Granasy, T Pusztai, G -. Tegze, James A. Warren, Jack F. Douglas

X-Ray and Neutron Reflectivity Measurements of Moisture Transport Through Model Multilayered Barrier Films for Oled Applications

January 1, 2005

Author(s)

B D. Vogt, V. J. Lee, Vivek Prabhu, Dean DeLongchamp, Eric K. Lin, Wen-Li Wu

Synthesis and Characterization of Poly(ethylene glycol) Dimethacrylate Hydrogels

January 1, 2005

Author(s)

Sheng Lin-Gibson, S Bencherif, Joseph M. Antonucci, Horkay F. JonesRL

Facile synthesis and detailed characterization of photo-polymerizable and biocompatible poly(ethylene glycol) dimethacrylates (PEGDM) and their hydrogels are...

Development and Application of Multiple Δ-Layer Reference Materials for Semiconductor Analysis

January 1, 2005

Author(s)

K J. Kim, D Moon, P Chi, David S. Simons

The rapid progress in the semiconductor industry requires more precise in-depth profiling analysis of doping elements in narrower and shallower regions...

Policy Issues for R&D Investment in a Knowledge-Based Economy

December 31, 2004

Author(s)

Gregory C. Tassey

The Internet Revolution induced an unbalanced perspective on future economic growth strategies. Because information technology (IT) largely constitutes an...

Empirical Comparison of Predictive Models for Mobile Agents

December 31, 2004

Author(s)

A E. Henninger, Rajmohan (. Madhavan

The need to predict an agent's intents or future actions has been well documented in multi-agent system's literature and has been motivated by both...

Using ontologies to aid navigation planning in autonomous vehicles

December 31, 2004

Author(s)

Craig I. Schlenoff, Stephen B. Balakirsky, M Uschold, R Provine, S Smith

This paper explores the hypothesis that ontologies can be used to improve the capabilities and performance of on-board rout planning for autonomous vehicles. We...

Self-contained automated construction deposition system

December 31, 2004

Author(s)

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

This article presents a novel autonomous system concept for automated construction of houses and other buildings via deposition of concrete and similar...

Knowledge representation for a trash collecting robot: results from the 2004 AAAI Spring Symposium

December 31, 2004

Author(s)

Stephen B. Balakirsky, Elena R. Messina, Craig I. Schlenoff, S Smith, M Uschold

The attendees of the Knowledge Representation and Ontologies for Autonomous Systems Symposium applied their collective intelligence in an attempt to solve one...

How task analysis can be used to derive and organize the knowledge for the control of autonomous vehicles

December 31, 2004

Author(s)

Tony Barbera, James S. Albus, Elena R. Messina, Craig I. Schlenoff, John A. Horst

The real-time control system (RCS) methodology has evolved over a number of years as a technique to capture task knowledge and organize it in a framework...

Dynamic Modeling and Robust Controller Design of a Two-Stage Parallel Cable Robot

December 31, 2004

Author(s)

S R. Oh, K K. Mankala, S K. Agrawal, James S. Albus

Able robots have been extensively used for the loading and unloading of cargo in shipping industries. In this paper, we look at a two stage cable robot, i.e., a...

What is the fastest event (shortest time duration) that can be measured with today's technology and how is this done?

December 27, 2004

Author(s)

Thomas R. O'Brian, Scott A. Diddams

Just how fast an event is depends somewhat on your point of view. In nature around us there are various physical events that occur on time scales from the...

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