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Journals

Fabry-Perot Metrology for displacements up to 50 mm

December 1, 2005

Author(s)

John R. Lawall

Fabry-Perot Metrology for displacements up to 50 mm

December 1, 2005

Author(s)

John R. Lawall

Effect of Initial Resist Thickness on Residual Layer Thickness of Nanoimprinted Structures

December 1, 2005

Author(s)

Hae-Jeong Lee, Hyun Wook Ro, Christopher L. Soles, Ronald L. Jones, Eric K. Lin, Wen-Li Wu, Daniel R. Hines

Accurate quantification and control of the residual layer thickness is a critical challenge to achieving sub-50 nm patterning with nanoimprint lithography...

Power Dependence of Distributed Cavity Phase-Induced Frequency Biases in Atomic Fountain Standards

December 1, 2005

Author(s)

Steven R. Jefferts, Jon H. Shirley, Eric A. Burt, G J. Dick, Neil Ashby

We discuss the implications of using high-power microwave tests in a fountain frequency standard to measure the frequency bias resulting from distributed cavity...

Molecular Dynamics Simulations of Alkylsilane Stationary Phase Order and Disorder. 1. Effects of Surface Coverage and Bonding Chemistry

December 1, 2005

Author(s)

Katrice A. Lippa, Lane C. Sander, Raymond D. Mountain

Shape-selective polymeric alkylsilane stationary phases are routinely employed over the more common monomeric phases in reversed-phase liquid chromatography...

Molecular Dynamics Simulations of Alkylsilane Stationary Phase Order and Disorder. 2. Effects of Temperature and Chain Length

December 1, 2005

Author(s)

Katrice A. Lippa, Lane C. Sander, Raymond D. Mountain

In an effort to elucidate the molecular-level structural features that control shape-selective separations, we have investigated the molecular dynamics of...

A Low Differential-Pressure Primary Standard for the Range 1 Pa to 13 kPa

December 1, 2005

Author(s)

A P. Miiller, Charles R. Tilford, Jay H. Hendricks

The National Institute of Standards and Technology (NIST) has completed the development of a low differential-pressure primary standard covering a range from 1...

PARCS: NASAs Laser-Cooled Atomic clock in Space

December 1, 2005

Author(s)

Donald Sullivan, Neil Ashby, Elizabeth A. Donley, Thomas P. Heavner, Leo W. Hollberg, Steven R. Jefferts, William Klipstein, David Seidel, D. J. Phillips

The PARCS (Primary Atomic Reference Clock in Space) mission is designed, not only to perform certain tests of relativity theory, but also to demonstrate space...

Creation of a six-atom Schrödinger cat state

December 1, 2005

Author(s)

Dietrich G. Leibfried, Emanuel H. Knill, Signe Seidelin, Joseph W. Britton, Brad R. Blakestad, J Chiaverini, David Hume, Wayne M. Itano, John D. Jost, C. Langer, R Ozeri, Rainer Reichle, David J. Wineland

Among highly entangled states of multiple quantum systems, Schrödinger cat states are particularly useful. Cat states are equal superpositions of two maximally...

Kramers-Kronig analysis of attenuation and dispersion in trabecular bonea

December 1, 2005

Author(s)

Kendall Waters, B K. Hoffmeister

A restricted-bandwidth form of the Kramers-Kronig dispersion relations is applied to in vitro measurements of ultrasonic attenuation and dispersion properties...

High Throughput Flammability Characterization Using Gradient Heat Flux Fields.

December 1, 2005

Author(s)

Jeffrey W. Gilman, Rick D. Davis, John R. Shields, Richard H. Harris Jr.

The quest for small-scale flammability tests useful for predicting large-scale fire test performance is an enduring undertaking. Often, this work is motivated...

Nanoparticle Networks Reduce the Flammability of Polymer Nanocomposites.

December 1, 2005

Author(s)

Takashi Kashiwagi, F Du, J F. Douglas, K I. Winey, Richard H. Harris Jr., John R. Shields

Synthetic polymeric materials are rapidly replacing more traditional inorganic materials, such as metals, and natural polymeric materials, such as wood. As...

Measurement of the Optical Extinction Coefficient of Combustion-Generated Aerosol. Technical Note.

December 1, 2005

Author(s)

J F. Widmann, J X. Duchez, Jiann C. Yang, J M. Conny, George W. Mulholland

This note describes measurements of the mass-specific extinction coefficient, \'01s, of carbonaceous aerosol produced during hydrocarbon combustion...

What a User Should Know When Selecting an Evacuation Model.

December 1, 2005

Author(s)

Erica D. Kuligowski, Steve M. Gwynne

In recent years, evacuation models have been increasingly applied in an attempt to understand the outcome of emergency egress scenarios. This has been due to...