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Journals

Intelligent Unmanned Ground Vehicle Navigation via Information Evaluation

December 29, 2006

Author(s)

Rajmohan Madhavan, Elena R. Messina

Sensor-centric navigation of Unmanned Ground Vehicles (UGVs) operating in rugged and expansive terrains requires the competency to evaluate the utility of...

A practical guide to the CIF:usability measurements

December 29, 2006

Author(s)

Mary F. Theofanos, Brian C. Stanton, Nigel Bevan

Using the Common Industry Format ( CIF) to specify usability measures can positively influence the development process. The CIF remains inherently flexible and...

Common Vulnerability Scoring System

December 29, 2006

Author(s)

Peter M. Mell, Karen Kent Scarfone, Sasha Romanosky

Organizations struggle to assess the relative importance of software vulnerabilities across disparate hardware and software platforms. They must prioritize...

Learning in a Hierarchical Control System: 4D/RCS in the DARPA LAGR Program

December 29, 2006

Author(s)

James S. Albus, Roger V. Bostelman, Tommy Chang, Tsai H. Hong, William P. Shackleford, Michael O. Shneier

The Defense Applied Research Projects Agency (DARPA) Learning Applied to Ground Vehicles (LAGR) program aims to develop algorithms for autonomous vehicle...

Electrical breakdown in the microscale: testing the standard theory

December 29, 2006

Author(s)

Emmanouel S. Hourdakis, Garnett W. Bryant, Neil M. Zimmerman

We present breakdown voltage measurement data in air taken with a technique we recently developed. The data suggests that below 10 ?m of electrode separation...

Reduced repair of 8-hydroxyguanine in the human breast cancer cell line, HCC1937

December 27, 2006

Author(s)

S. G. Nyaga, A. Lohani, Pawel Jaruga, A. Trzeciak, M Miral Dizdar, M. K. Evans

Thickness dependence of microstructure in semiconducting films of an oligofluorene derivative

December 27, 2006

Author(s)

Dean M. DeLongchamp, M -. Ling, Yeon-Gil Jung, Daniel A. Fischer, M E. Roberts, Eric K. Lin, Zhenan Bao

Is NO₃ Formed During the Decomposition of Nitramine Explosives?

December 21, 2006

Author(s)

Karl K. Irikura, Russell D. Johnson III

Quantum chemistry calculations reveal that it is both thermodynamically and kinetically reasonable to produce NO3 (nitrate radical) during the thermal...

Laser Cooled Atoms as a Focused Ion Beam Source

December 21, 2006

Author(s)

James L. Hanssen, Jabez J. McClelland, E Dakin, M Jacka

The evolving field of nanofabrication demands that more precise fabrication and evaluation tools be developed. We describe a method for creating a high quality...

A New Paradigm for Interconnect Geometry to Reduce Grain Boundary Resistance

December 21, 2006

Author(s)

Daniel Josell

A zig-zag line geometry is introduced for control of grain boundary density within fine wires for interconnect applications; the geometry is selected because...

Elastic mapping and quantitative nanoscale modulus measurements of SnO2 nanobelts

December 21, 2006

Author(s)

Yuegui Zheng, Robert E. Geer, Malgorzata Kopycinska-Mueller, Donna C. Hurley

A comparative study of the elastic uniformity and modulus of single-crystal SnO2 nanobelts is presented employing two nondestructive techniques based on atomic...

Manipulation of magnetic particles by patterned arrays of magnetic spin-valve traps

December 20, 2006

Author(s)

Elizabeth Mirowksi, John M. Moreland, Stephen E. Russek, Michael J. Donahue

A novel magnetic for microfluidic manipulation of magnetic particles is discussed. The particles are confined by an array of magnetic spin valves with bistable...

Characterization and Surface-Reactivity of Nanocrystalline Anatase in Aqueous Solutions

December 19, 2006

Author(s)

Moira K. Ridley, Vincent A. Hackley, Michael L. Machesky

The chemical and electrostatic interactions at mineral- water interfaces are of fundamental importance in many geochemical, materials science, and technological...

Surfaces of Fluorinated Pyridinium Block-Copolymers with Enhanced Antibacterial Activity

December 19, 2006

Author(s)

Sitaraman Krishnan, R J. Ward, A Hexemer, K E. Sohn, K L. Lee, E R. Angert, Daniel A. Fischer, E J. Kramer, C K. Ober

Single-photon detection using a quantum dot optically gated field-effect transistor with high internal quantum efficiency

December 19, 2006

Author(s)

Mary A. Rowe, Eric Gansen, Marion Greene, Danna Rosenberg, Robert Hadfield, Todd E. Harvey, Sae Woo Nam, Mark Su, Richard Mirin

We investigate the operation of a quantum dot, optically gated, field-effect transistor as a photon detector. The detector exhibits time-gated, single-shot...

An International Effort to Achieve Comparability of Test Results

December 16, 2006

Author(s)

C Jackson, Robert Wielgosz, Willie E. May

Quantum key distribution at 1550 nm with twin superconducting single-photon detectors

December 15, 2006

Author(s)

Robert Hadfield, Jonathan L. Habif, John Schlafer, Robert E. Schwall, Sae Woo Nam

The authors report on the full implementation of a superconducting detector technology in a fiber-based quantum key distribution (QKD) link. Nanowire-based...

Evaluation of Bioreactor-Cultivated Bone by Magnetic Resonance Microscopy and FTIR Microspectroscopy

December 15, 2006

Author(s)

Ingrid E. Chesnick, Emiliano Fratini, Richard D. Leapman, William Landis, Naomi Eidelman, Kimberlee Potter

We present a three-dimensional mineralizing model based on a hollow fiber bioreactor (HFBR) inoculated with primary osteoblasts isolated from embryonic chick...

Photocurable Oil/Water Interfaces as a Universal Platform for 2-D Self-Assembly

December 14, 2006

Author(s)

Jason Benkoski, Ronald L. Jones, Jack F. Douglas, Alamgir Karim

We present a novel platform for the creation of 2-D assemblies from nanoscale building blocks. The system consists of an oil/water interface in which the oil...

Rotational Spectra and Conformational Structures of1-Phenyl-2-Propanol, Methamphetamine, and 1-Phenyl-2-Propanone

December 14, 2006

Author(s)

M J. Tubergen, R L. Lavrich, David F. Plusquellic, R D. Suenram

Microwave spectra have been recorded for 1-phenyl-2-propanol, methamphetamine, and 1-phenyl-2-propanone in the range 11 GHz to 24 GHz using a Fourier-transform...

Comparison of frequency, linewidth, and output power in measurements of spin-transfer nanocontact oscillators

December 13, 2006

Author(s)

William Rippard, Matthew Pufall, Stephen E. Russek

We have measured the detailed dependence of the oscillation frequencies, linewidths, and output powers of spin-transfer nanocontact oscillators as functions of...

Limitations of steady state solutions to a two-state model of population oscillations and hole burning

December 12, 2006

Author(s)

Lu Deng, Marvin G. Payne, Kaijun Jiang

We consider a two-state system driven by an on-resonance, continuous wave pump laser and a much weaker pulsed probe laser that is slightly detuned from the pump...

Improvements in the Measurement of Distillation Curves: Part 3 - Application to Gasoline and Gasoline + Methanol Mixtures

December 8, 2006

Author(s)

Beverly L. Smith, Thomas J. Bruno

In previous work, several significant improvements in the measurement of distillation curves for complex fluids were introduced. The modifications to the...

Nucleation conditions for catalyst-free GaN nanowires

December 8, 2006

Author(s)

Kristine A. Bertness, Alexana Roshko, Lorelle Mansfield, Todd E. Harvey, Norman Sanford

We have examined the initial steps for catalyst-free growth of GaN using molecular beam epitaxy on Si (111) substrates using AlN buffer layers. These wires form...

Thickness Dependence of Microstructure in Semiconducting Films of an Oligofluorene Derivative

December 7, 2006

Author(s)

Dean M. DeLongchamp, Mang-Mang Ling, Youngsuk Jung, Daniel A. Fischer, Mark Roberts, Eric K. Lin, Zhenan Bao

The measurement and optimization of microstructure development in organic semiconductor films is valuable because microstructure in many cases critically...

Nonparametric Analysis of Fingerprint Data on Large Data Sets

December 7, 2006

Author(s)

Jin Chu Wu, Charles Wilson

By executing different fingerprint-image matching algorithms on large data sets, it reveals that the match and non-match similarity scores have no specific...

Changes in Electronic Structure of the Electrochemically Li-ion Deintercalated LiNiO2 System Investigated by Soft X-ray Absorption Spectroscopy

December 7, 2006

Author(s)

W S. Yoon, Kyung Y. Chung, James McBreen, Daniel A. Fischer, Xiao-Qing Yang

Changes in Electronic Structure of the Electrochemically Li-Ion Deintercalated LiNiO₂ System Investigated by Soft X-Ray Absorption Spectroscopy

December 7, 2006

Author(s)

W S. Yoon, Kyung Y. Chung, James McBreen, Daniel A. Fischer, Xiao-Qing Yang

The electronic structures of Li1-xNiO2 system after electrochemically delithiated to various x values have been investigated using soft X-ray absorption...

Is There a High Energy Particle Population in the Quiet Solar Corona?

December 6, 2006

Author(s)

Yuri Ralchenko, Uri Feldman, G. A. Doschek

A study of spectra emitted by the quiet solar corona indicates that the majority of line intensities originating in low-lying levels are consistent with...

Phase Formation and Properties in the Magnetic Dielectric System Bi2O 3:2CoO 1+x::Nb2 O5

December 4, 2006

Author(s)

Terrell A. Vanderah, T Siegrist, M W. Lufaso, C Yeager, Juan C. Nino, S Yates

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