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

Quantifying Competitive Adsorption Dynamics in Superfilling Electrolytes

October 16, 2008

Author(s)

Thomas P. Moffat, Daniel Wheeler, Daniel Josell

Surfaces, Interfaces, and Changing Shapes

October 16, 2008

Author(s)

Daniel Josell, F Spaepen

It is generally recognized that the capillary forces associated with internal and external interfaces affect both the shapes of liquid-vapor surfaces and...

Measuring Structure and Order Development in Organic Semiconductor Films Using Soft X-Ray Spectroscopy

October 16, 2008

Author(s)

Dean DeLongchamp, S Sambasivan, Daniel A. Fischer, Eric K. Lin, Brandon M. Vogel

Paper is abstract.

Crystallization of Poly(ethylene oxide) on Topographically Patterned Substrates

October 16, 2008

Author(s)

Brian C. Okerberg, Christopher Soles, Jack F. Douglas, Alamgir Karim

Crystallization of poly(ethylene oxide) (PEO) on topographically patterned substrates is investigated. Primary nucleation was dramatically enhanced during...

Surface Patterning Using Microchannel-Confined Surface Transformation ( ST)

October 16, 2008

Author(s)

Chang Xu, Kathryn L. Beers

Most surface patterned polymer brushes synthesized to date contain only one type of polymer and the remaining surface areas are either bare substrate or SAM. To...

Preface to Dislocatrions 2000 Proceedings

October 16, 2008

Author(s)

Lyle E. Levine, L -. Kubin, R -. Becker

During the 1950's and 1960's, a widespread international effort was underway to lay the foundations for a fundamental, dislocations-based understanding of...

Neutron Reflectivity for Interfacial Materials Characterization

October 16, 2008

Author(s)

Eric K. Lin, D J. Pochan, R Kolb, Wen-Li Wu, Sushil K. Satija

Measurements of the physical properties of materials, such as the coefficient of thermal expansion (CTE), in thin films and at interfaces are very important in...

Domain Structures in Low Ionic Strength Polyelectrolyte Solutions

October 16, 2008

Author(s)

B D. Ermi, Eric J. Amis

A steep upturn at low angles dominates the small angle neutron scattering profile of low ionic strength polyelectrolyte solutions when measurements are extended...

Prediction of Uniaxial Extension, Pure Shear and Equibiaxial Responses in Constant Deformation Rate Experiments from Single Step Stress Relaxation Experiments in Uniaxial Extension

October 16, 2008

Author(s)

J M. Niemiec, G B. McKenna, J Sweeney, I M. Ward

In working with non-linear constitutive descriptions for polymer melts, it is often forgotten how difficult it is to obtain the experimental data that are...

Nature Materials News and Views on T. Haxhimali et al

October 16, 2008

Author(s)

James A. Warren

Simulations of dendritic solidification by T. Haxhimali et al. [1] for a pure material and comparisons with experiments in an A1Zn alloy system have shown that...

Slip Bands in Deforming Metals

October 16, 2008

Author(s)

R M. Thomson, Lyle E. Levine, M Savage

It is proposed that a deforming solid is composed of two types of deforming regions: regions of percolating slip (slip bands) and regions of non percolating...

Fabrication Strategies for Magnetic Tunnel Junctions With Magnetoelectric Applications

October 16, 2008

Author(s)

Philip Pong, Moshe Schmoueli, William F. Egelhoff Jr.

In this paper, two lithographic fabrication processes for magnetic tunnel junctions (MTJs) with different mask designs and etching technologies are discussed...

A Statistical Connection Between Dislocations and Mechanical Properties

October 16, 2008

Author(s)

Lyle E. Levine, R M. Thomson

The extreme complexity of the dislocation-based processes that underlie plastic deformation are in marked contrast to the relatively simple behavior observed...

A Novel Low-Cost High-Throughput Probe Card Scanner Analyzer for Characterization of Magnetic Tunnel Junctions

October 16, 2008

Author(s)

Philip Pong, Moshe Schmoueli, E Marcus, William F. Egelhoff Jr.

The advancement of the technology of magnetic tunnel junctions (MTJs) greatly hinges on the optimization of the magnetic materials, fabrication process, and...

Nonlinear Coupling of Surface and Quasitransverse Bulk Modes in Cubic Crystals

October 16, 2008

Author(s)

R E. Kumon, M F. Hamilton

In some propagation directions in crystals, the speed of the surfaceacoustic wave mode may approach that of the lowest speed quasitransverse bulk mode. Under...

Phase Field Modeling of Grain Boundaries Formed by Impingement During Melt Growth

October 16, 2008

Author(s)

James A. Warren, R Kobayashi, W Carter

A model of the impingement during solidification of many particles with differing orientations is discussed. The subsequent evolution of the grain boundaries...

Anomalous Relaxation in Entropic Colloidal Gels

October 16, 2008

Author(s)

Erik K. Hobbie, A D. Stewart

Brownian motion in depletion-force networks is studied with video microscopy in confined nearly hard-sphere mixtures. The particle trajectories show anomalous...

Microstructure and Scheil Modeling of As-Cast Bi-Pb-Sn Alloys that Exhibit Transitional Reactions

October 16, 2008

Author(s)

D J. Lewis, M R. Notis

In order to better understand the solidification paths of transitional reaction, Scheil modeling and metallographic observation were completed for alloys in the...

Dielectric and Thermal Properties of Multi-Layer Polymer Films

October 16, 2008

Author(s)

W Sakai, T Yoshiji, N Tsutsumi, C. K. Chiang

The dielectric and thermal properties of three-layer structured films were studied. The two outer layers were about one microns and the thickness of middle...

Dynamic Hardness of Porous and Nonporous Materials Using a Dropped Ball

October 16, 2008

Author(s)

R B. Clough

A method for measuring the dynamic hardness of materials using a dropped ball is developed and applied to nonporous cold-rolled plain carbon (1018) steel. A new...

The τ-Effective Paradox Revisited: An Extended Analysis of KovacsVolume Recovery Data on Poly (Vinyl Acetate)

October 16, 2008

Author(s)

G B. McKenna, M Vangel, Andrew L. Rukhin, Stefan D. Leigh, B Lotz, C Straupe

In 1964 Kovacs (A.J. Kovacs, Transition vitreuse dans les polymeres amorphes. Etude phenomenologique, Fortschr. Hochpolym.-Forsch., 3, 394-507 (1964)) published...

Stick Slip Contact Mechanics Between Dissimilar Materials

October 16, 2008

Author(s)

P M. McGuiggan

Measurements of the contact diameter as a function of loading between a mica surface and a silica surface (mica/silica) in air are reported. The contact...

Temperature Dependent Magnetization Reversal in (Co/Pt)/Ru Multilayers

October 16, 2008

Author(s)

Joseph E. Davies, O Hellwig, E E. Fullerton, K Liu

Antiferromagnetically coupled (Co/Pt)/Ru multilayers with perpendicular anisotropy have been shown to exhibit both vertically and laterally correlated...

Self Assembly of a Nanoscale 3D Conductive Network Within an Amorphous Polymer

October 16, 2008

Author(s)

Lyle E. Levine, Gabrielle G. Long, R A. Gerhardt, R Ou, Jan Ilavsky, C A. Parker

The realization of a 3D network of self-assembled conductive nanowires embedded within an insulating matrix is demonstrated. The lengths, three-dimensional...

The Effect of Molybdenum on the Creep Behavior of Orthorhombic Titanium Aluminides

October 16, 2008

Author(s)

D A. Shepherd, V K. Vasudevan

The effect of molybdenum additions on the creep properties of two orthorhombic titanium aluminide materials, Ti-22Al-26Nb and Ti-22Al-24.5Nb-1.5Mo (at.%), has...

In-Situ Visualization of Polymer Blends Processing: Influence of Viscosity Ratio and Surfaces

October 16, 2008

Author(s)

Kalman Migler, Erik K. Hobbie, F Qiao

We study the effects of viscosity ratio, surfaces and shear on droplet morphology in immiscible polymer blends during extrusion. These in-line experiments are...

Interfacial Modification of Silica Surfaces Through -Isocanatopropyl Triethoxy Silane--Amine Coupling Reactions

October 16, 2008

Author(s)

Brandon M. Vogel, Dean DeLongchamp, Christine M. Mahoney, Leah A. Lucas, Daniel A. Fischer, Eric K. Lin

The surface reaction of gamma-isocyanatopropyl triethoxy silane coupling agent and octadecyl amine was investigated water contact goniometry, near edge x-ray...

Observation of Blunting and Jogging Dislocation Emission at Crack Tips in Alkali Halide Single Crystals

October 16, 2008

Author(s)

Timothy J. Foecke, W Gerberich

Bulk observations of crack tip dislocation emission in NaC1 and KC1 have been made in both blunting and jogging orientations. Measurements of the critical...

Wetting and Nowetting near Critical Points in Solids

October 16, 2008

Author(s)

John W. Cahn

A simple phenomenological theory of eleastic effects is used to examine wetting near critical points in the solid state.

Moldable, Resorbable, Composite Bone Grafts Consisting of Calcium Phosphate Cement and Polymeric Microspheres: Mechanical Properties, Degradation Kinetics and Release of Bioactive Molecules

October 16, 2008

Author(s)

Francis W. Wang, C A. Khatri, J F. Hsii, S Hirayama, Shozo Takagi

We have developed new moldable, resorbable, composite bone grafts made of calcium phosphate cement (CPC) and poly(d,l-lactide-co-glycolide) [PLGA] microspheres...

Was this page helpful?