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Journals

Impacts of Information Technologies on Performance: A Cross Study Comparison

November 3, 2008

Author(s)

Yongcheol Kang, William O'Brien, Stephen R. Thomas, Robert E. Chapman

This paper evaluates the use of Information Technology (IT) and its impact on project and company performance in the construction industry. Using project level...

Extraction of Sheet Resistance and Line Width from All-Copper ECD Test Structures Fabricated from Silicon Preforms

November 3, 2008

Author(s)

Byron J. Shulver, Andrew S. Bunting, Alan Gundlach, Les I. Haworth, Alan W. Ross, Stewart Smith, Anthony J. Snell, J. T. Stevenson, Anthony Walton, Richard A. Allen, Michael W. Cresswell

Test structures have been fabricated to allow Electrical Critical Dimensions (ECD) to be extracted from copper features with dimensions comparable to those...

Probability Density Function of Power Received in a Reverberation Chamber

November 2, 2008

Author(s)

David A. Hill

The probability density function (PDF) for the power received by an arbitrary antenna in a reverberation chamber has been shown to be exponential. The purpose...

Phase and Valence Transitions in Ba^2^LnSn_xNb_1-xO_6-δ

November 1, 2008

Author(s)

Paul J. Saines, Brendan J. Kennedy, Bernt Johannessen, Sarah Poulton

The structures of compounds in the perovskite series Ba2LnSnxNb1−xO6−δ (Ln=Pr and Tb and x=0, 0.1, 0.2, ..., 1.0) have been examined using synchrotron X-ray and...

On the Temperature Measurement Bias and Time Response of an Aspirated Thermocouple in Fire Environment

November 1, 2008

Author(s)

Sung C. Kim, Anthony P. Hamins

To examine the uncertainty of thermocouple temperature measurements, the present study uses numerical simulations and analytical solutions to investigate the...

Meaningful Performance Evalution Conditions for Fire Service Thermal Imaging Cameras

November 1, 2008

Author(s)

Francine K. Amon, Anthony P. Hamins, Nelson P. Bryner, Justin Rowe

Thermal imaging cameras (TIC) are rapidly becoming integral equipment for the fire service for use in structure fires and other emergencies. The Building and...

A Comparison of Viscosity-Concentration Relationships for Emulsions

November 1, 2008

Author(s)

Jeffrey W. Bullard, A T. Pauli, Edward J. Garboczi, Nicos Martys

Differential Effective Medium Theory (D-EMT) is applied to derive expressions for the viscosity of a colloidal suspension or an emulsion as a function of the...

Introduction to JOM Spotlight on Magnesium: Applications and Advanced Processing

November 1, 2008

Author(s)

Mark R. Stoudt

No abstract

On the Significance of Transient Heat Release Rate Excursions Above a Set Limit

November 1, 2008

Author(s)

Thomas J. Ohlemiller, Richard D. Peacock

When a heat release rate limit for a consumer product is set by a regulatory agency, it is of interest to know whether small excursions above that limit, such...

MESFETs made from individual GaN nanowires

November 1, 2008

Author(s)

Paul T. Blanchard, Kristine A. Bertness, Todd E. Harvey, Lorelle Mansfield, Aric W. Sanders, Norman A. Sanford

In this paper, we demonstrate novelMESFETs based on individual GaN nanowires. The Pt/Au Schottky gates exhibited excellent two-terminal Schottky diode...

Thermodynamic properties of tert-butylbenzene and 1,4-di-tert-butylbenzene

November 1, 2008

Author(s)

Robert D. Chirico, William Steele

Heat capacities, enthalpies of phase transitions, and derived thermodynamic properties in the temperature range 5 < (T/K) < 442 were determined with adibatic...

A robust algorithm for eye-diagram analysis

November 1, 2008

Author(s)

Jeffrey A. Jargon, Paul D. Hale, Chih-Ming Wang

We present a new method for analyzing eye diagrams that always provides a unique solution by making use of a robust, least-median-of-squares (LMS) location...

Metrology for the Electrical Characterization of Semiconductor Nanowires

November 1, 2008

Author(s)

Curt A. Richter, Hao Xiong, Xiaoxiao Zhu, Wenyong Wang, Vincent M. Stanford, Woong-Ki Hong, Takhee Lee, D. E. Ioannou, Qiliang Li

Nanoelectronic devices based upon self-assembled semiconductor nanowires are excellent research tools for investigating the behavior of structures with sub...

Illuminating the Role of Agglomerates on Critical Physicochemical Properties of Amorphous Calcium Phosphate Composites

October 31, 2008

Author(s)

Justin N. O'Donnell, Joseph M. Antonucci, Drago Skrtic

Amorphous calcium phosphate (ACP) composites show promise in a number of anti-cariogenic applications. The objectives of this study are to compare the water...

Surviving the Transition

October 31, 2008

Author(s)

Kristian Helmerson

Observations of the birth of a superfluid have uncovered details of the microphysics of phase transitions. Whether these results can be used to model such...

MATERIALS SCIENCE: Nanoscale Polymer Processing

October 31, 2008

Author(s)

Christopher L. Soles, Yifu Ding

Plastics are ubiquitous in our modern world. It difficult to find a manufactured object that does not contain at least some sort polymeric (plastic) components...

In-Situ Torque Magnetometry: Magnetic Coupling in Fe/Cr/Fe Thin-Film Systems

October 31, 2008

Author(s)

Dong-Hoon Min, S. B. Lee, John M. Moreland

We have developed an ultra-sensitive torque magnetometer tailored to the study of thin-film interface magnetism and interlayer magnetic exchange coupling. The...

Contribution of Gas and Electric Stoves to Residential Ultrafine Particle Concentrations between 2 nm and 64 nm: Size Distributions and Emission and Coagulation Rates

October 29, 2008

Author(s)

Lance L. Wallace, Wang Fang, Cynthia H. Reed, Andrew K. Persily

Three indoor sources of ultrafine particles (a gas stove, an electric stove, and an electric toaster oven) have been studied in an instrumented test house on...

Calcium and phosphate ion releasing composite: Effect of pH on release and mechanical properties

October 27, 2008

Author(s)

Hockin D. Xu, Michael Weir, Limin Sun

Objectives. Secondary caries and restoration fracture are the two main challenges facing tooth cavity restorations. The objective of this study was to develop a...

Structural and magnetic phase diagram of CeFeAsO1− xFx and its relation to high-temperature superconductivity

October 26, 2008

Author(s)

Jun Zhao, Qingzhen Huang, Clarnia dela Cruz, Shiliang Li, Jeffrey Lynn, Ying Chen, Mark Green, G. F. Chen, Z. C. Li, J. L. Luo, N. L. Wang, Pengcheng Dai

Recently, high-transition-temperature (high-Tc) superconductivity was discovered in the iron pnictide RFeAsO1−xFx (R, rare-earth metal) family of materials. We...

Assess the Intramolecular Cavity of a PAMAM Dendrimer in Aqueous Solution by Small-Angle Neutron Scattering

October 25, 2008

Author(s)

T Li, Kunlun Hong, Lionel Porcar, Rafael Verduzco, Paul Butler, Gregory S. Smith, Yun Liu, Wei-Ren Chen

We present a contrast variation small-angle neutron scattering (SANS) study of a series of neutral PAMAM dendrimers in aqueous solutions using three different...

Design and Demonstration of PECVD Angled Multilayer Dielectric Mirrors Optimized for Micromachined Cavity Sidewalls

October 25, 2008

Author(s)

M.A. Perez, John Kitching, A Shkel

This paper reports on the design and implementation of high efficiency, non-metallic reflectors integrated on the sidewalls of micromachined cavities. Due to...

Combinatorial Studies of Ba-Y-Cu-O Films for Coated-Conductor Applications

October 23, 2008

Author(s)

Winnie K. Wong-Ng, Makoto Otani, Igor Levin, Peter K. Schenck, Zhi Yang, Guangyao Liu, Lawrence P. Cook, Ron Feenstra, Wei Zheng, Marty Rupich

Phase relationships in bulk and thin film Ba-Y-Cu-O high-Tc superconductor system were determined at processing conditions relevant for industrial production of...

Formation of Dispersive Shock Waves by Merging and Splitting Bose-Einstein Condensates

October 23, 2008

Author(s)

Jia J. Chang, Peter Engels, Mark Hoefer

The processes of merging and splitting dilute-gas Bose-Einstein condensates (BEC) are studied in the non-adiabatic, high-density regime. Rich dynamics are found...

Collective dynamics in the Heisenberg pyrochlore antiferromagnet Gd 2 Sn 2 O 7

October 22, 2008

Author(s)

J. R. Stewart, Jason Gardner, Yiming Qiu, G. Ehlers

Gd2Sn2O7 is believed to be a good approximation to a Heisenberg antiferromagnet on a pyrochlore lattice with exchange and dipole-dipole interactions. The system...

Organic single crystal field-effect transistors of a soluble anthradithiophene

October 22, 2008

Author(s)

Oana Jurchescu, Sankar Subramanian, R J. Kline, Steven D. Hudson, John E. Anthony, Thomas Jackson, David J. Gundlach

We use single crystals (grown by physical vapor transport) of a soluble oligomer to obtain a better understanding of the intrinsic properties, limitations and...

Preparation of Combinatorial Arrays of Polymer Thin Films for Transmission Electron Microscopy Analysis

October 21, 2008

Author(s)

Kristen Roskov, Thomas Epps, Brian Berry, Michael J. Fasolka, Steven D. Hudson, Maeva S. Tureau

We present a new method for harvesting multiple thin film specimens from polymer combinatorial libraries for Transmission Electron Microscopy (TEM) analysis...

Competing Fracture Modes in Brittle Materials Subject to Concentrated Cyclic Loading in Liquid Environments: Trilayer Structures

October 21, 2008

Author(s)

Ilja Hermann, Sanjit Bhowmick, Yu Zhang, Brian R. Lawn

A study is made of top-surface cracks induced in brittle trilayers by cyclic indentation with a hard sphere in water. The trilayers consist of an external...

Hydraulically Pumped Cone Fracture in Brittle Solids

October 21, 2008

Author(s)

Herzl Chai, Brian R. Lawn

An analysis of inner cone cracks in brittle solids subject to cyclic indentation in liquid is presented. These inner cone cracks, so named because they form...

Aqueous blackbody calibration source for millimeter-wave/terahertz metrology

October 20, 2008

Author(s)

Charles Dietlein, Zoya Popovic, Erich N. Grossman

This paper describes a calibrated broadband emitter for the millimeter-wave through terahertz frequency regime, called the aqueous blackbody calibration source...

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