Journals

High resolution full-field imaging of nanostructures using compact extreme ultraviolet lasers

July 21, 2008

Author(s)

Norman A. Sanford, F Brizuela, Kristine A. Bertness

Recent advances in the development of high peak brightness table-top extreme ultraviolet (EUV) and soft x-ray (SRX) lasers have opened new opportunities for the...

Ultra fast quantum key distribution over a 97-km installed telecom fiber with wavelength-division-multiplexing clock synchronization

July 21, 2008

Author(s)

Akihiro Tanaka, Mikio Fujiwara, Sae Woo Nam, Yoshihiro Nambu, Seigo Takahashi, Wakako Maeda, Ken-ichiro Yoshino, Shigehito Miki, Burm Baek, Z. Wang, Akio Tajima, Masahide Sasaki, Akihisa Tomita

We demonstrated ultra fast BB84 quantum key distribution (QKD) transmission at 625 MHz clock rate through a 97 km field-installed fiber using practical clock...

On the Fluorescence From Integrating Spheres

July 20, 2008

Author(s)

Ping-Shine Shaw, Zhigang Li

Our recent study of the performance of integrating spheres shows prominent UV induced fluorescence features that are associated with contamination of the...

Injectable and strong nano-apatite scaffolds for cell/growth factor delivery and bone regeneration

July 20, 2008

Author(s)

Carl G. Simon Jr., Hockin D. Xu, Michael Weir

Objectives. Seven million people suffer bone fractures each year in the U.S., and musculoskeletal conditions cost $215 billion/year. The objectives of this...

Materials Science &Technology (MS&T) 2008 Conference & Exhibition

July 18, 2008

Author(s)

Winnie K. Wong-Ng

The Materials Science &Technology 2008 Conference & Exhibition took place in the David L. Lawrence Convention Center in Pittsburgh, Pennsylvania from October 5...

Reversal mechanisms in perpendicular magnetic nanostructures

July 16, 2008

Author(s)

Justin M. Shaw, Stephen E. Russek, Michael J. Donahue, Thomas Thomson, Bruce Terris, Michael Schneider, Miles Olsen

We find that the reversal mechanism in magnetic nanostructures is highly dependent on the nature and condition of the edges. Temperature and size dependent...

Applying Software Product Line Technology to Simulation Modeling of Emergency Response Facility

July 15, 2008

Author(s)

Guodong Shao, Yung-Tsun T. Lee

This paper proposes an effective, reusable solution for modeling and simulation. The approach is to develop a Software Product Line (SPL) architecture that...

Liquid State NMR as a Test-bed for Developing Quantum Control Methods

July 15, 2008

Author(s)

C. A. Ryan, C. Negrevergne, M. Laforest, Emanuel Knill, R. Laflamme

Quantum mechanics has been successfully describing experimental phenomena for close to a century. However, it has only been much more recently that the idea of...

Web Thermo Tables an On-Line Version of the TRC Thermodynamic Tables

July 14, 2008

Author(s)

Andrei F. Kazakov, Chris D. Muzny, Robert D. Chirico, Vladimir Diky, Michael D. Frenkel

It has long been understood that availability of thermophysical and thermochemical property data is vital to scientific research and industrial design. For over...

Nature of Transition Layers at the SiO₂/SiC Interface

July 14, 2008

Author(s)

T Zheleva, Aivars Lelis, G Duscher, F Liu, Igor Levin, M Das

Electrical performance of SiC-based microelectronic devices is strongly affected by the densities of interfacial traps introduced by the chemical and structural...

Inverted spectra of single-wall carbon nanotube films

July 10, 2008

Author(s)

John H. Lehman, Katie Hurst, Lara Roberson, K. Nield, J. D. Hamlin

We present absolute measurements of reflectance and absorbance for a purified single wall carbon nanotube (SWCNT) film. The absorbance spectrum of a SWCNT...

Emission spectrum of a dressed exciton-biexciton complex in a semiconductor quantum dot

July 10, 2008

Author(s)

Andreas Muller, Wei Fang, John R. Lawall, Glenn S. Solomon

The photoluminescence spectrum of a single quantum dot was recorded as a secondary resonant laser optically dressed either the vacuum-to-exciton or the exciton...

Complex micropatterning of periodic structures on elastomeric surfaces

July 10, 2008

Author(s)

Arnaud Chiche, Christopher Stafford, J Cabral

We report a simple methodology to fabricate complex sub-micron periodic structures in poly(dimethylsiloxane) over large surface areas (several cm2). Single...

Unconventional spin glass behavior in the pyrochlore Mn2Sb2O7

July 9, 2008

Author(s)

H. D. Zhou, C. R. Wiebe, A. Harter, Naresh S. Dalal, Jason Gardner

The new pyrochlore Mn2Sb2O7 has been synthesized via a low-temperature method to retain cubic Fd2m symmetry. The resulting material has an unconventional spin...

Early-Age Properties of Cement-Based Materials: I. Influence of Cement Fineness

July 9, 2008

Author(s)

Dale P. Bentz, G Sant, W Weiss

The influence of cement fineness on early-age properties of cement-based materials is investigated using a variety of experimental techniques. Properties that...

Microstructure and Thermal Conductivity of Hydrated Calcium Silicate Board Materials

July 9, 2008

Author(s)

Chi T. Do, Dale P. Bentz, Paul E. Stutzman

The thermal conductivity of a porous material is controlled by the thermal conductivities of its components and their spatial arrangement within the composite...

Fiducial approach for assessing agreement between two instruments

July 9, 2008

Author(s)

Chih-Ming Wang, Hariharan K. Iyer

This paper presents an approach for making inferences about the intercept and the slope of a linear regression model with both variables subject to measurement...

Grain Size Distribution in Two Dimensions in the Long Time Limit

July 8, 2008

Author(s)

Geoffrey B. McFadden, C.S. Pande, K.P. Cooper

It is shown that the inclusion of a "noise" term in the growth rate of individual grains leads to a stochastic model that provides a more realistic description...

Observations of Pt/Ne hollow cathode lamps similar to those used on the Cosmic Origins Spectrograph

July 7, 2008

Author(s)

Gillian Nave, Craig J. Sansonetti, S. V. Penton, Nathaniel Cunningham, Matthew Beasley, Steve Osterman, F Kerber, Charles D. Keyes, Michael R. Rosa

We report accelerated aging tests on three Pt/Ne lamps from the same manufacturing run as lamps installed on the Cosmic Origins Spectrograph (COS). One lamp was...

Quantitative X-ray Absorption Imaging With a Broadband Source: Application to High-Intensity Discharge Lamps

July 4, 2008

Author(s)

John J. Curry

We analyze the case of x-ray absorption imaging in which the x-ray source is broadband and the detector does not provide spectral resolution. Our particular...

Roughness-Induced Superhydrophobicity: A Way to Design Non-Adhesive Surfaces

July 4, 2008

Author(s)

Michael Nosonovsky, Bharat Bhushan

Non-adhesive and water-repellent surfaces are required for many tribological applications. Roughness-induced superhydrophobicty has been suggested as a way to...

Topography Measurements for Determining the Decay Factors in Surface Replication

July 4, 2008

Author(s)

Jun-Feng Song, P Rubert, Xiaoyu A. Zheng, Theodore V. Vorburger

The electro-forming technique is used at National Institute of Standards and Technology (NIST) for the production of standard reference material (SRM) 2461...

Dependence of the Intrinsic Spin Transfer Switching Current Density on the Size of Elliptical Spin Valves

July 2, 2008

Author(s)

Ranko R. Heindl, Stephen E. Russek, Thomas J. Silva, William H. Rippard, Jordan A. Katine

We studied current induced magnetization reversal in elliptical spin valves with CoFeB free layers. The data obtained from high-speed pulsed switching...

Economical Mixtures to Reduce Both Thermal and Autogenous Shrinkage Contributions to Early-Age Cracking

July 2, 2008

Author(s)

Dale P. Bentz, Max A. Peltz

Early-age cracking continues to be a significant problem for new concrete construction. Two of the major contributors to such cracking are the heat released by...

Thermal Decomposition Kinetics of the Aviation Turbine Fuel Jet-A

July 2, 2008

Author(s)

Jason A. Widegren, Thomas J. Bruno

As part of a larger-scale thermophysical and transport property measurement project, the global decomposition kinetics of the aviation turbine fuel Jet-A was...

Composition-Explicit Distillation Curves of Commercial Biodiesel Fuels: Comparison of Petroleum-Derived Fuel with B20 and B100

July 2, 2008

Author(s)

Beverly L. Smith, Lisa S. Ott, Thomas J. Bruno

We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. The modifications provide for (1) a...

Hydrogen Adsorption in a Highly Stable Porous Rare-Earth Metal-Organic Framework: Sorption Properties and Neutron Diffraction Studies

July 1, 2008

Author(s)

Junhua Luo, Hongwu Xu, Yun Liu, Yusheng Zhao, L. Daemen. Luke, Craig Brown, Tatiana Timofeeva, Shengqian Ma, Hong-Cai Zhou

Sustaining Engineering Informatics: Toward Methods and Metrics for Digital Curation

July 1, 2008

Author(s)

Joshua Lubell, Sudarsan Rachuri, Eswaran Subrahmanian, Mahesh Mani

Ensuring the long-term usability of engineering informatics (EI) artifacts is a challenge, particularly for products with longer life cycles than the computing...

Structural and Electronic Properties of Bilayer Epitaxial Graphene

July 1, 2008

Author(s)

Gregory M. Rutter, Jason Crain, N Guisinger, Phillip N. First, Joseph A. Stroscio

Scanning tunneling microscopy (STM) and spectroscopy (STS) is used to study the structural and electronic properties of bilayer epitaxial graphene on SiC(0001)...

Development of a Field Test Method to Evaluate Gaseous Air Cleaner Performance in a Multizone Building

July 1, 2008

Author(s)

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

The performance of gaseous air cleaners for commercial and residential buildings has typically been evaluated using test protocols developed for a controlled...