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Conferences

Comparison of Machining Simulations for 1045 Steel to Experimental Measurements

March 1, 2004

Author(s)

Robert W. Ivester, Michael Kennedy

This paper compares model-based simulations to experimental measurements obtained under the Assessment of Machining Models project at the National Institute of...

Pore Size Distributions in Low-k Dielectric Thin Films From SANS Porosimetry

March 1, 2004

Author(s)

R C. Hedden, V. J. Lee, Christopher L. Soles, Barry J. Bauer

A small-angle neutron scattering (SANS) porosimetry technique is presented for characterization of pore structure in nanoporous thin films. Porosimetry...

Taming a Wild Workflow and Domesticating our Digital Data

March 1, 2004

Author(s)

Nancy Allmang, P J. Deutsch

This case study of a digital collection illustrates how the Information Services Division of Technology Services at NIST formulated a requirements analysis and...

Flow Simulation of a Microfluidic Analog of the Four-Roll Mill

March 1, 2004

Author(s)

Frederick R. Phelan Jr., Steven Hudson

The fluid dynamics of channel geometries for liquid state materials characterization in microfluidic devices are investigated using finite element flow...

Synthesis and Characterization of PEG and PEG Urethane Dimethacrylate Hydrogels

March 1, 2004

Author(s)

Sheng Lin-Gibson, S Bencherif, James A. Cooper, N. R. Washburn, Joseph M. Antonucci

A key area in the repair and regeneration of tissues is optimizing the polymeric scaffold-tissue response. This study is designated to better understand the...

Energy Analysis of Multi-Lens Adhesion Measurements

March 1, 2004

Author(s)

Aaron M. Forster, Christopher Stafford, Alamgir Karim

The NIST Combinatorial Methods Center (NCMC) has adapted the Johnson Kendall, and Roberts (JKR) adhesive contact test for the development of a high-throughput...

An Open Source Informatics System for Combinatorial Materials Research

March 1, 2004

Author(s)

Weiping Zhang, Michael J. Fasolka, Alamgir Karim, Eric J. Amis

Laboratory Research Informatics Systems (LRIS) hold great promise in streamlining research generally, and are particularly necessary for new data-intensive...

MALDI of Layered Polymer Films

March 1, 2004

Author(s)

Barry J. Bauer, Kathleen M. Flynn, B D. Vogt

A layered preparation method is introduced that produces structured MALDI targets with well-defined phase sizes and compositions. Tri-a-naphthyl benzene is a...

A Framework for Metrics in Large Complex Systems

March 1, 2004

Author(s)

G A. Mack, K Lonergan, Jean C. Scholtz, Michelle P. Steves, C R. Hale

The Terrorism Information Awareness (TIA) was initiated by the Information Awareness Office (IAO) of the Defense Advanced Research Projects Agency (DARPA). TIA...

How Task Analysis Can Be Used to Derive and Organize the Knowledge for the Control of Autonomous Vehicles

March 1, 2004

Author(s)

Anthony J. 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...

Recent Developments in Producing Test-structures for Use as Critical Dimension Reference Materials

March 1, 2004

Author(s)

Richard A. Allen, Ravi I. Patel, Michael W. Cresswell, Christine E. Murabito, Brandon Park, Monica D. Edelstein, Loren W. Linholm

NIST is developing Single-Crystal Critical-Dimension Reference Materials (SCCDRM) which address the need of the semiconductor and semiconductor equipment...

In Depth Observational Studies of Professional Intelligence Analysts

March 1, 2004

Author(s)

Jean C. Scholtz, Emile L. Morse

Our goal is to produce metrics for measuring effectiveness of software tools and environments produced for the intelligence community. To this end we need to...

Chromatic dispersion measurement error caused by source amplified spontaneous emission

February 22, 2004

Author(s)

Tasshi Dennis, Paul A. Williams

We demonstrate the degrading effect of noise from amplified spontaneous emission on measurements of chromatic dispersion using the modulation phase-shift method...

Polarization-mode dispersion measurement using a six-state RF phase-shift technique for high spectral efficiency

February 22, 2004

Author(s)

Paul A. Williams, Jonathan D. Kofler

We demonstrate record spectral efficiency for RF phase shift measurement of differential group delay and principal states of polarization. Unaveraged...

A Simple Methodology for Observing Mechanical Properties of NanocompositePart 1:Interfacial Properties in an Epoxy Clay Nanocomposites

February 20, 2004

Author(s)

Jae Hyun Kim, Gale A. Holmes

Research by the Pinnavaia Group and M lhaupt et al. on elastomeric polyurethane and elastomeric epoxy clay hybrid nanocomposites have shown that the tensile...

A Simple Methodology for Observing Mechanical Properties of Nanocomposites. Part 2: Investigation of Interfacial Properties in E-Glass Fiber Model Composites

February 20, 2004

Author(s)

Jae Hyun Kim, Gale A. Holmes, Chad R. Snyder

The fiber/matrix interfacial shear strength (IFSS) and the fiber/matrix interphase fracture toughness are critical parameters that control failure initiation...

Patterning Retinal Cells on Polyelectrolyte Multilayers

February 18, 2004

Author(s)

Darwin Reyes-Hernandez, Elizabeth M. Perruccio, Patricia Becerra, Laurie E. Locascio, Michael Gaitan

The patterning of retinal epithelial cells on polyelectrolyte multilayer (PEMs) lines is presented. PEMs were deposited in discrete lines using a poly...

Total Ionization Cross Sections of Molecules by Electron Impact

February 4, 2004

Author(s)

Yong Sik Kim

Multiscale Modeling of Quantum Nanostructures Using Integrated Green's Function and Molecular Dynamics

February 2, 2004

Author(s)

Vinod K. Tewary, David T. Read

Six-Pack IGBT Dynamic Electro-Thermal Model; Parameter Extraction and Validation

February 2, 2004

Author(s)

John V. Reichl, David W. Berning, Allen R. Hefner Jr., Jih-Sheng Lai

Computer Modeling of Crack Propagation in Biaxially-Stressed Glass Disks

February 1, 2004

Author(s)

George W. Quinn, Dianne M. O'Leary, Janet Quinn

A computer program was written to model the propagation of two-dimensional traveling cracks in a biaxially-stressed glass disk. This was accomplished by using a...

Effects of Materials Chemistry and Morphology on Conductometric Sensor Signals

February 1, 2004

Author(s)

Douglas C. Meier, Stephen Semancik

Observation of conductance changes in material films upon their interactions with gas phase molecules is the basis of operation of the chemical microsensors...

New Method for the Measurement of SEM Stage Vibrations

February 1, 2004

Author(s)

Bradley N. Damazo, Crossley E. Jayewardene, Andras Vladar, William J. Keery, Michael T. Postek

Scattering Methods Applied to High Throughput Materials Science

February 1, 2004

Author(s)

A I. Norman, J Cabral, D L. Ho, Eric J. Amis, Alamgir Karim

Scattering methods have been employed to study the aqueous phase behavior of two low molecular weight diblock copolymers, EO(6)BO(11) and EO(18)BO(9), where EO...

Micropatterning of Organosilane Self-Assembled Monolayers with Gradient Surfaces for Advanced SPM Nanometrology

February 1, 2004

Author(s)

D Julthongpiput, Michael J. Fasolka

We present a new class of micropatterning techniques that incorporates a surface energy gradient on a single substrate. By combining microcontact printing and...

Droplet Microstructure and String Stability in Sheared Emulsions: Role of Finite-Size Effects

February 1, 2004

Author(s)

Jai A. Pathak, E Robertson, Steven D. Hudson, Kalman D. Migler

We discuss the influence of confinement on the microstructure of emulsions in steady shear flow fields and present initial results on experiments on stability...

Elastic Flow Instability, Curved Streamlines and Mixing in Microfluidic Flows

February 1, 2004

Author(s)

Jai A. Pathak, David J. Ross, Kalman D. Migler

Flow instabilities are well known to occur in macroscopic flows when elastic fluids flow along curved streamlines. In this work we use flow visualization to...

Characterization of Colloidal Material Fom Natural and Engineered Waters Investigating Structure-Function Relationships Through Microanalysis

February 1, 2004

Author(s)

Richard D. Holbrook, Scott A. Wight, Dale E. Newbury

The fate, transport and ultimate impact of toxic compounds in aquatic systems is governed by their distribution between the particulate, colloidal and dissolved...

A New Synthetic Method for Controlled Polymerization of HPMA Using a Microfluidic System

February 1, 2004

Author(s)

Tao Wu, Ying Mei, J Cabral, Chang Xu, Kathryn L. Beers

Atom transfer radical polymerizations (ATRP) were performed in a microfluidic channel, fabricated in a solvent resistant polymer matrix. Compared to...

Development of a Combinatorial Rheometer for Polymer Formulations

February 1, 2004

Author(s)

H J. Walls, Robert F. Berg, Kathryn L. Beers, Eric J. Amis

Finding the best formulation for a new application, or fine-tuning an existing formulation to meet various customer needs, requires extensive sample preparation...

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