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Journals

Effects of disorder on magnetic vortex gyration

February 15, 2011

Author(s)

Hongki Min, Robert McMichael, Jacques Miltat, Mark D. Stiles

A vortex gyrating in a magnetic disc has two regimes of motion in the presence of disorder. At large amplitudes the vortex core moves quasi-freely through the

Measurements of Density and Speed of Sound of JP-10 and Comparison to Rocket Propellants and Jet Fuels

February 14, 2011

Author(s)

Stephanie L. Outcalt, Arno R. Laesecke

Densities of the missile fuel JP-10 were measured with two vibrating-tube densimeters. The combined range of the data is from 270 K to 470 K with pressures to

Spherical Reference Cavities for Ultra-Stable Lasers in Non-Laboratory Environments

February 14, 2011

Author(s)

David R. Leibrandt, Michael J. Thorpe, Mark Notcutt, Robert E. Drullinger, Till P. Rosenband, James C. Bergquist

We present an ultra-stable optical cavity design that is insensitive to both vibrations and orientation. The design is based on a spherical cavity spacer which

The Infrared Spectra of C2H4+ and C2H3 Trapped in Solid Neon

February 14, 2011

Author(s)

Marilyn E. Jacox, Warren E. Thompson

When a mixture of ethylene in a large excess of neon is codeposited at 4.3 K with a beam of neon atoms that have been excited in a microwave discharge, two

On the Importance of Thermodynamic Self-Consistency for Calculating Stable Clusters in Hard-Core Double Yukawa Fluids

February 14, 2011

Author(s)

Jung Min Kim, Ramon Castaneda-Priego, Yun Liu, Norman J. Wagner

Understanding clustering of complex fluids is of interest in material science because the formation of aggregates in the suspension leads to changes in the

Interactions of Ba2YCu3O6+x with SrTiO3 Substrate

February 12, 2011

Author(s)

Winnie K. Wong-Ng, Zhi Yang, James A. Kaduk, Lawrence P. Cook, Shailee P. Diwanji, Christopher E. Lucas

This paper describes the crystal chemistry and crystallography of products of the interaction of Ba2YCu3O6+x with the SrTiO3 buffer, which is a model system for

Kinetic Lattice Monte Carlo Model for Oxygen Vacancy Diffusion in Praseodymium-Doped Ceria: Applications to Materials Design

February 12, 2011

Author(s)

Pratik Dholabhai, Shahriar Anwar, James B. Adams, Peter A. Crozier, Renu Sharma

Abstract We present a kinetic lattice Monte Carlo model for investigating the oxygen vacancy diffusion in praseodymium-doped ceria. The current approach uses a

A General Model for the Dynamics of Cell Volume, Global Stability, and Optimal Control

February 11, 2011

Author(s)

James D. Benson

Cell volume and concentration regulation in the presence of changing extracellular environments has been studied for centuries, and recently a general

Quantifying Model Error

February 11, 2011

Author(s)

Kevin B. McGrattan, Blaza Toman

A methodology is proposed for reporting the results of fire model validation studies that consist mainly of comparisons of model predictions and experimental

Differential Light Shift Cancellation in a B-Field Insensitive Transition of 87Rb

February 11, 2011

Author(s)

Radu S. Chicireanu, Karl D. Nelson, Steven M. Olmschenk, Nathan Lundblad, A. Derevianko, James V. Porto

We demonstrate substantial cancellation of the differential light shift of a magnetic-field-insensitive microwave hyperfine (clock) transition in 87Rb atoms

Sensitivity of the Magnetic Properties of the ZnCr₂O₄ and MgCr₂O₄ Spinels to Nonstoichiometry

February 11, 2011

Author(s)

S. E. Dutton, Qingzhen Huang, Oleg Tchernyshyov, Collin Broholm, R. J. Cava

A simple approach for selective crystal growth of Na8Si46 and Na24Si136

February 10, 2011

Author(s)

Winnie K. Wong-Ng, S Stefanoski, Peter Zavalij, George S. Nolas, Beekman Mathew

During the studies of structure/property relationships of thermoelectric intermetallic clathrates, we found that while single crystals for representative

Compact GdBa₂Cu₃O_7-δ coated conductor cables for electric power transmission and magnet applications

February 10, 2011

Author(s)

Daniel C. van der Laan, Xifeng Lu, Loren F. Goodrich

Bundling high-temperature superconductors together to form high current cables is required in, for instance, power transmission and low-inductance magnet

Gradient Solvent Vapor Annealing of Block Copolymer Thin Films Using a Microfluidic Mixing Device

February 9, 2011

Author(s)

Kathryn L. Beers, Michael J. Fasolka, Julie N. Albert, Timothy D. Bogart, Ronald L. Lewis, J. Brian Hutchison, Bryan D. Vogt, Thomas H. Epps

Solvent vapor annealing (SVA) with solvent mixtures is a promising approach for controlling block copolymer thin film self-assembly. In this work, we present

Comparison of the Sensitivity and Image Contrast in Spontaneous Raman and Coherent Stokes Raman Scattering Microscopy of Geometry Controlled Samples

February 9, 2011

Author(s)

Hyun M. Kim, Chris A. Michaels, Garnett W. Bryant, Stephan J. Stranick

We experimentally compare the performance and contrast differences between spontaneous and coherent Stokes Raman scattering microscopy. We demonstrate the

Arithmetic Progressions on Edwards Curves

February 8, 2011

Author(s)

Dustin Moody

We look at arithmetic progressions on elliptic curves known as Edwards curves. By an arithmetic progression on an elliptic curve, we mean that the x-coordinates

High Temperature Magnetic Ordering in the 4d Perovskite SrTcO₃

February 7, 2011

Author(s)

Efrain E. Rodriguez, Frederic Poineau, Anna Llobet, Brendan J. Kennedy, Maxim Avdeev, Gordon J. Thorogood, Melody L. Carter, Ram Seshadri, David J. Singh, Anthony K. Cheetham

Controlling the Microstructure of Solution-Processible Small Molecules in Thin-Film Transistors through Substrate Chemistry

February 4, 2011

Author(s)

Regis J. Kline, Steven D. Hudson, Xinran Zhang, David J. Gundlach, Andrew Moad, Lee J. Richter, Oana Jurchescu, Thomas Jackson, Sanker Subramanian, John E. Anthony, Michael F. Toney

Solution-processible small molecules have tremendous potential for providing both high charge carrier mobility and low cost processing. This study outlines a

Managing Security: The Security Content Automation Protocol

February 4, 2011

Author(s)

Shirley M. Radack, D. Richard Kuhn

Managing information systems security is an expensive and challenging task. Many different and complex software components- including firmware, operating

Passive Intermodulation due to Self-Heating in Printed Transmission Lines*

February 2, 2011

Author(s)

Eduard Rocas, Juan C. Collado Gomez, Nathan D. Orloff, Jordi Mateu, James C. Booth, Juan M. O'Callaghan, Alberto Padilla

AbstractThis article proposes a mechanism by which third-order intermodulation distortion due to self-heating is generated in transmission lines. The work

In situ Formation of Silver Nanoparticles in Photocrosslinking Polymers

February 2, 2011

Author(s)

Yajun Cheng, Diana N. Zeiger, John A. Howarter, Xinran Zhang, Nancy Lin, Joseph M. Antonucci, Sheng Lin-Gibson

Nanocomposites of difunctional methacrylate polymer/silver nanoparticles have been synthesized by coupling photoinitiated free radical polymerization with in

The program LOPT for least-squares optimization of energy levels

February 1, 2011

Author(s)

Alexander Kramida

The article describes a program that solves the least-squares optimization problem for finding the energy levels of a quantum-mechanical system based on a set

Microscale thermogravimetric analysis for determining nanoparticle purity and surface coverage

February 1, 2011

Author(s)

Elisabeth Mansfield

Minimum-Risk Layer 2 Trigger Levels for Proactive Media-Independent Handovers

February 1, 2011

Author(s)

David W. Griffith, Alexandre Delye, Nada T. Golmie

Anticipated handovers that use Link Going Down (LGD) and Link Down (LD) trigger events require the network operator to set the LGD trigger high enough that the

Nanomaterial Toxicity: Emerging Standards and Efforts to Support Standards Development

February 1, 2011

Author(s)

Laurie E. Locascio, Vytautas Reipa, Justin M. Zook, Richard C. Pleus

For the first time in the history of industrialization, nanotechnology offers the unique opportunity to consider material safety ahead of its full

Preparation, Magnetism and Electronic Structures of Cadmium Technetates

February 1, 2011

Author(s)

Efrain E. Rodriguez, Frederic Poineau, Anna Llobet, J. D. Thompson, Ram Seshadri, Anthony K. Cheetham

Metal-Molecule-Silicon Junctions Produced by Flip Chip Lamination of Dithiols

February 1, 2011

Author(s)

Michael A. Walsh, Curt A. Richter, Christina A. Hacker

The integration of organic molecules with silicon is increasingly being studied for potential uses in hybrid electronic devices. Creating dense and highly

Directed 2D-to-3D pattern transfer method for controlled fabrication of topologically complex three- dimensional nanostructures in silicon

February 1, 2011

Author(s)

Konrad Rykaczewski, Owen J. Hildreth, Ching P. Wong, Andrei G. Fedorov, John H. Scott

A process allowing for control over the 3D motion of catalyst nanostructures during Metal-assisted Chemical Etching by their local pinning prior to etching is

Electron Beam Induced Growth of TiO2 Nanostructures

February 1, 2011

Author(s)

Renu Sharma

We report the evolution of TiO2 nanostructures when Au nanoparticles, supported on single crystal TiO2 substrates, were heated in ~2 Torr of flowing O2 in an

Approximating the Number of Bases for Almost All Matroids

February 1, 2011

Author(s)

Brian D. Cloteaux

We define a class of matroids A for which a fully polynomial randomized approximation scheme (fpras) exists for counting the number of bases of the matroids. We

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