Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Structure, ferromagnetic resonance and permeability of nanogranular fe-Co-B-Ni films

May 16, 2006

Author(s)

Pasquale Massimo, Celegato Federica, Coisson Marco, Magni Alessandro, Perero Sergio, Pavel Kabos, Teppati Valeria, Han Suk Hee, Kim Jongryoul, Lim Sang Ho

The static and microwave magnetic properties of soft nanogranular (Fe0.7)Co0.3)71B22Ni films with a 2T saturation magnetization are presented as a function of...

Phase-stabilized ultrafast lasers signal new era in measurement and research

May 15, 2006

Author(s)

Tara M. Fortier, A Bartels, Scott A. Diddams

The development of short-pulsed lasers has progressed steadily over the past 30 years. In the search for better techniques and materials to generate shorter and...

High-resolution spectroscopic measurements of InGaAs/GaAs self-assembled quantum dots

May 12, 2006

Author(s)

Joseph J. Berry, Martin Stevens, Richard Mirin, Kevin L. Silverman

We report development of two absorption-based spectroscopic methods that have been adapted from atomic physics techniques to elucidate the basic physical...

Characterization of the Skin Orientation of Thermotropic Liquid-Crystalline Copolyester Moldings with Near-Edge X-ray Absorption Fine Structure

May 11, 2006

Author(s)

Robert A. Bubeck, L S. Thomas, S Rendon, W R. Burghardt, A Hexemer, Daniel A. Fischer

The process of injection molding net-shape parts from thermotropic liquid crystalline polymers (TLCPs) results in a skin-core macrostructure. The underlying...

Effect of Self-Assembled Monolayer Film Order on Nanofriction

May 11, 2006

Author(s)

S Sambasivan, S Hsieh, Daniel A. Fischer, Stephen M. Hsu

Self-assembled monolayers (SAMs) have increasingly being explored as potential protective films in devices friction and adhesion. However, accurate...

Probing the Ordering of Semiconducting Fluorene-Thiophene Copolymer Surfaces on Rubbed Polyimide Substrates by Near-Edge X-Ray Absorption Fine Structure

May 11, 2006

Author(s)

L R. Pattison, A Hexemer, E. J. Kramer, Sitaraman Krishnan, P Petroff, Daniel A. Fischer

The temperature-dependent alignment of semiconducting liquid crystalline fluorene-thiophene copolymer (F8T2) thin film surfaces was investigated using the near...

Orientations of Liquid Crystals in Contact With Surfaces That Present Continuous Gradients of Chemical Functionality

May 11, 2006

Author(s)

Brian H. Clare, Kirill Effimenko, Daniel A. Fischer, Jan Genzer, Nicholas L. Abbott

We report the formation of continuous spatial gradients in the density of grafted semifluorinated chains on silicon oxide surfaces by vapor phase diffusion of...

Effects Of Nano-Sized Monocalcium Phosphate Monohydrate Fillers on Ca-and-PO₄-Releasing Dental Composites

May 10, 2006

Author(s)

Hockin D. Xu, Limin Sun, Michael Weir, Shozo Takagi, Laurence C. Chow, B Hockey

Clinical data indicate that secondary caries and restoration fracture are the most common problems facing dental resin composites. The objective of this study...

Virtual Testing of Cement and Concrete

May 10, 2006

Author(s)

Dale P. Bentz, Edward J. Garboczi, Jeffrey W. Bullard, Chiara F. Ferraris, Nicos Martys, Paul E. Stutzman

Concrete is a unique multi-phase, random, complex, and composite material that provides both strength and impermeability to engineered structures. Unlike most...

Investigating the Limits of Chemical Complexity in SgrB2(N): A Rigorous Attempt to Confirm 1,3-Dihydroxyacetone

May 10, 2006

Author(s)

A J. Apponi, D T. Halfen, L M. Ziurys, J M. Hollis, A Remijan, Francis J. Lovas

A targeted search for confirming transitions of 1,3-dihydroxyacetone, (CH2OH)2CO, (hereafter DHA), was made toward SgrB2(N) using the ARO SMT and 12m telescope...

Enzyme Activity to Augment the Characterization of Tethered Bilayer Membranes

May 10, 2006

Author(s)

G Valincius, D J. McGillivray, W Febo-Ayala, David J. Vanderah, John J. Kasianowicz, M Losche

Dental Composites Based on Amorphous Calcium Phosphate Resin Composition/Physicochemical Properties Study

May 9, 2006

Author(s)

Drago Skrtic, Joseph M. Antonucci

This study explores how the resin composition/structure affects the physicochemical properties of copolymers and their amorphous calcium phosphate (ACP)-filled...

Quantitative Depth Profiling of Photoacid Generators in Photoresist Materials by Near-Edge X-Ray Absorption Fine Structure Spectroscopy

May 9, 2006

Author(s)

Vivek M. Prabhu, S Sambasivan, Daniel A. Fischer, Linda K. Sundberg, Robert D. Allen

We apply near-edge x-ray absorption fine structure (NEXAFS) spectroscopy to quantify the surface composition and depth profiling of photoacid generators in thin...

Resolved Torsional Splitting in the nu₁₈ and nu₁₉ Bands of Propene

May 8, 2006

Author(s)

Walter J. Lafferty, J.- M. Flaud, M Herman

FT-jet spectra of propene were recorded at 0.005 cm-1 instrumental resolution around 950 cm-1. Thanks to the jet conditions, probably corresponding to Trot...

High resolution analysis of the 26 and 2 9 9 bands of propane

May 8, 2006

Author(s)

Jean-Marie Flaud, Walter J. Lafferty, F. Kwabia Tchana

Using high-resolution Fourier transform spectra of propane recorded in the 13.4 μm (resolution of 0.002 cm-1) and in the 27.4 μm (resolution 0.0011 cm-1)...

Correlation for the Viscosity of Pentafluoroethane (R125) from the Triple Point to 500 K at Pressures up to 60 MPa.

May 5, 2006

Author(s)

Marcia L. Huber, Arno R. Laesecke

A correlation for the viscosity of pentafluorethane (R125) has been developed based on a compilation and critical assessment of the available experimental data...

High Resolution Thz Spectroscopy of Crystalline Trialanine: Extreme Sensitivity to Secondary Structure and Co-Crystallized Water

May 3, 2006

Author(s)

David F. Plusquellic

High resolution THz absorption spectra have been obtained at 4.2 K for three well-defined crystalline forms of trialanine [NH3+-(Ala)3-CO2-]. The crystal...

Comparison of Photovoltaic Module Performance Measurements

May 2, 2006

Author(s)

Arthur H. Fanney, Mark W. Davis, Brian P. Dougherty, D L. King, W E. Boyson, J A. Kratochvil

Computer simulation tools used to predict the energy production of photovoltaic systems are needed in order to make informed economic decisions. These tools...

Detection of Acetamide (CH₃CONH₂): The Largest Interstellar Molecule With a Peptide Bond

May 2, 2006

Author(s)

J M. Hollis, Francis J. Lovas, A Remijan, P R. Jewell, Vadim V. Ilyushin, I Kleiner

Acetamide (CH3CONH2) has been detected in emission and absorption toward the star-forming region Sagittarius B2(N) with the 100-m Green Bank Telescope (GBT) by...

Orientations of Liquid Crystals in Contact with Surfaces that Present Continuous Gradients of Chemical Functionality

May 2, 2006

Author(s)

Brian H. Clare, Kirill Effimenko, Daniel A. Fischer, Jan Genzer, Nicholas L. Abbott

All-Optical Generation and Photoassociative Probing of Sodium Bose-Einstein Condensates

May 2, 2006

Author(s)

R Dumke, M Johanning, Eduardo Gomez, J D. Weinstein, Kevin Jones, Paul D. Lett

We demonsatrate an all optical technique to evaporatively produce sodium Bose-Einsteincondensates (BEC). We use a crossed-dipole trap formed from light near 1 $...

Anisotropic elastic properties of nanocrystalline nickel thin films

May 1, 2006

Author(s)

Donna C. Hurley, Roy H. Geiss, N Jennett, Malgorzata Kopycinska-Mueller, A Maxwell, Jens Mueller, David T. Read, J Wright

As length scales continue to shrink, new tools are needed to measure mechanical properties. We are developing two such tools using different nondestructive...

Effect of Elastic Interactions on Self-Assembling of Multiferroic Nanostructures in Epitaxial Films

May 1, 2006

Author(s)

Julia Slutsker, Jianhua Li, Andrei Artemev, Alexander Roytburd

Phase-Stabilized Ultrafast Lasers Signal New Era Measurement and Research

May 1, 2006

Author(s)

Tara M. Fortier, A Bartels, Scott A. Diddams

The development of short pulsed lasers has progressed steadily over the past 30 years. In the search for better techniques and materials to generate shorter and...

Radio Controlled Wristwatches

May 1, 2006

Author(s)

Michael A. Lombardi

A review article that briefly summarizes the various types of radio controlled wristwatches and the technology behind them. It includes a short description of...

Mutationism and the dual causation of evolutionary change

May 1, 2006

Author(s)

Arlin B. Stoltzfus

The rediscovery of Mendel's laws a century ago launched the science that William Bateson called "genetics," and led to a new view of evolution combining...

A multistate model for the fluorescence response of R-phycoerythrin

May 1, 2006

Author(s)

Adolfas K. Gaigalas, David T. Gallagher, Kenneth D. Cole, T. Singh, Lili Wang, Y. Z. Zhang

Long homopurine•homopyrimidine sequences are characteristic of genes expressed in brain and the pseudoautosomal region

May 1, 2006

Author(s)

A Bacolla, J R. Collins, B Gold, N Chuzhanova, M Yi, R M. Stephens, S Stefanov, A Olsh, J P. Jakupciak, M Dean, R A. Lempicki, D N. Cooper, R D. Wells

Control Based Mobile Ad-hoc Networks For Video Communications

May 1, 2006

Author(s)

Hamid Gharavi

This paper presents a feedback control scheme for transmission of video signals over mobile ad-hoc channels. The scheme is a combination of cross-layer (local)...

Salivary Fluoride From Fluoride Dentifrices or Rinses After Use of a Calcium Pre-Rinse or Calcium Dentifrice

May 1, 2006

Author(s)

Gerald L. Vogel, David Shim, Gary E. Schumacher, Clifton M. Carey, Laurence C. Chow, Shozo Takagi

Fluoride (F) in oral fluids, which appears to be primarily responsible for the cariostatic effect of this ion, appears to be maintained by the release of...

Was this page helpful?