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Journals

Water Adsorption in Interfacial Silane Layers by Neutron Reflection: 2. Epoxy plus Silane on Silicon Wafers

October 16, 2008

Author(s)

M S. Kent, W F. McNamara, P M. Baca, W Wright, L A. Domeier, A P. Wong, Wen-Li Wu

The interaction of water with an interphase composed a common commercial glass cloth silane finish and an epoxy resin is explored by neutron reflection. The

Letter to the Editor Creep of Consolidated Silver

October 16, 2008

Author(s)

H J. Mueller, F Eichmiller

This letter to the editor is in regard to a recent publication (Indentation Creep Behavior of a Direct-filling Alternative to Amalgam by H.H.K. Xu, H. Liao, and

Dynamical Heterogeneities in the Ising Spin Glass

October 16, 2008

Author(s)

S C. Glotzer, N Jan, T Lookman, A B. MacIsaac, P H. Poole

We investigate the relationship between bulk and local relaxation in the Ising spin glass (in 2 and 3 dimensions) for temperatures above but approaching the

Symposium on Cleanliness of Biomedical Devices

October 16, 2008

Author(s)

John A. Tesk

An outline of the kinds of papers appropriate for an ASTM Symposium on Cleanliness of Medical Implants, May 2005 is presented, with example of the topical areas

HRTEM Study on the Extended Defect Structure of Epitaxial Ba_0.3Sr_0.7Ti0₃ thin films Grown on (001) LaAl0₃

October 16, 2008

Author(s)

C J. Lu, Leonid A. Bendersky, K S. Chang, Ichiro Takeuchi

The defect structure of a 350-nm-thick epitaxial Ba 0.3Sr 0.7Ti0 3 thin film grown on (001) LaAl0 3 has been investigated by means of conventional and high

Morphology Study of Polystyrene-Polybutadiene-Polycaprolactone (PS-b-PB-b-PCL), Polybutadiene-Polycaprolactone (PB-b-PCL), and Polystyrene-Polycaprolactone (PS-b-PCL) Semicrystalline Block Copolymers

October 16, 2008

Author(s)

G Kim, C L. Jackson, M Libera, R Stadler, Charles C. Han, F V. Gyldenfeldt, V Balsamo

Distinctive behaviors of PCL(polycaprolactone) in block copolymers are significant for various polymer applications such as low temperature adhesives

Influence of Strongly Interacting Hompolymers on the Long-Range Order in Semi-Crystalline Block Copolymer Templates

October 16, 2008

Author(s)

Vijay Tirumala, B D. Vogt, Eric K. Lin, J J. Watkins

Long-range order and the strength of domain segregation in semicrystalline block copolymers are often hindered by the rapid crystallization within the blocks

Influence of Microstructure and Chemistry on the Fracture Toughness of Dental Ceramics

October 16, 2008

Author(s)

Janet Quinn, Veeraraghavan Sundar, Isabel K. Lloyd

Objectives: The primary aim of this research was to measure fracture toughness for several groups of dental ceramics, and determine how this property is

Wetting-Dewetting Transition Line in Thin Polystyrene Films

October 16, 2008

Author(s)

K M. Ashley, D T. Raghavan, Jack F. Douglas, Alamgir Karim

Thin polymeric films are increasingly being utilized in diverse technological applications and it is crucial to have a reliable method to characterize the

Correlations of Microstructure and TEM Observations of Plasticity in Metallic Nanolaminates

October 16, 2008

Author(s)

D E. Kramer, Timothy J. Foecke

Nanolaminate materials exhibit increases in hardness and yield strength beyond those expected according to rule of mixtures calculations. Several models have

Accurate Measurements of Longitudinal-wave Velocity in IIW-Type Clibration Blocks

October 16, 2008

Author(s)

T Lerch, M C. Renken, C M. Fortunko

A proposed ISO standard, based on the draft European standard prEN 12223, specifies that the longitudinal wave velocity in Type 1 Calibtration Blocks shall be

365 nm Operation of n-nanowire/p-substrate Gallium Nitride Homojunction Light Emitting Diode

October 16, 2008

Author(s)

Abhishek Motayed, Albert Davydov, Maoqi He, S N. Mohammad, John Melngailis

We demonstrate the realization of the n-gallium nitride nanowire (n-GaNnw)/p-gallium nitride substrate (p-GaN) homojunction light emitting diodes (LEDs)

Dispersion and Shear Viscosity of a Simulated Polymer Nanocomposite

October 16, 2008

Author(s)

Francis W. Starr, Jack F. Douglas, S C. Glotzer

Using molecular dynamics simulations, we explore properties affecting nano-filler dispersion in a dense bead-spring polymer melt, and how the state of

Dental Adhesion With Self-Etching, Polymerization-Initiating Primers

October 16, 2008

Author(s)

Joseph M. Antonucci, C A. Khatri, Gary E. Schumacher, J E. Code, T Nikaido

Iminoacetic acids are noted for their moderate acidity and ability to chelate metal ions, including the biologically important calcium ion. Previously it was

Thermo-Mechanical Fatigue as a Failure Mechanism in Interconnects

October 16, 2008

Author(s)

Cynthia A. Volkert, R R. Keller, Reiner Monig, E Arzt, O Kraft

The possibility of failure of interconnects in microelectronic devices due to fatigue during normal use is discussed. During their lifetime, devices experience

In Vitro Remineralization of Artificial Tooth Lesions with Ca-PO₄ Resin Cements

October 16, 2008

Author(s)

Sabine H. Dickens, Glenn M. Flaim, Shozo Takagi

Resin-based Ca-PO 4 cements without (Cement A) and with a fluoride-releasing additive (Cement B) were used to treat caries-like lesions on enamel and dentin

The Chemical Composition of Low Dielectric Constant Films From Novel Ion Scattering Methodologies

October 16, 2008

Author(s)

Christopher Soles, R J. Composto, H Wang

A novel ion beam scattering methodology is described for determining the chemical composition of thin, Si-based low dielectric constant (k) films that typically

Comments on the Calibration and Use of NIST Test Ring (SRM 1853)

October 16, 2008

Author(s)

L Swartzendruber

The technique used at NIST to calibrate the Standard Reference Material (SRM) 1853 test rings is described. Details of the leakage fields from these rings are

Threading and Unthreading of Pseudorotaxanes of PEG/Acyclodextrin

October 16, 2008

Author(s)

Barry J. Bauer, Da-Wei Liu

The threading and unthreading kinetics of alpha-cyclodextrin onto polyethylene glycol is measured by small angle neutron scattering and gel permeation

Electrodeposited Epitaxial Fe Subscript 100-x}Co Subscript x} Films on GaAs

October 16, 2008

Author(s)

J Mallett, Erik B. Svedberg, Mark D. Vaudin, Leonid A. Bendersky, William F. Egelhoff Jr., Thomas P. Moffat

The electrodeposition of epitaxial cube-on-cube Fe _(subscript) 100-x}Co_(subscript) x} films onto n-GaAs is described from ferrous ammonium sulfate solutions

Coupling Between Phase Separation and Surface Deformation Modes in Self-Organizing Polymer Blend Films

October 16, 2008

Author(s)

B D. Ermi, G Nisato, Jack F. Douglas, J Rogers, Alamgir Karim

Phase separation of ultrathin polymer blend films spun cast onto patterned self-assembled monolayers is examined by atomic force microscopy. Fourier transform

The Upper Critical Magnetic Field of a Superconductor as a Function of Disorder

October 16, 2008

Author(s)

Robert J. Soulen, M. S. Osofsky, G T. Woods, William F. Egelhoff Jr.

We have observed a dramatic enhancement of H c2 in the system, Nb 1-x Si x, as a function of disorder. To account for these empirical results, we incorporate

Complementary Experimental Techniques for Multi-Scale Modeling of Plasticity

October 16, 2008

Author(s)

Lyle E. Levine, Gabrielle G. Long, David R. Black

Some recently-developed experimental techniques, such as in situ ultra-small-angle X-ray scattering (USAXS), have demonstrated a capability for measuring

Characterization of Temperature-Sensitive Hydrogels Based on N-Isopropylacrylamide and Novel Crosslinkers

October 16, 2008

Author(s)

Michael Weir, Joseph M. Antonucci, Francis W. Wang

This paper describes the use of new types of synthesized hydroxylated dimethacrylate monomers as crosslinkers for thermally-sensitive hydrogel networks with

High-Throughput Methods to Assay Cell Shape and Response on Topographically Patterned Surfaces

October 16, 2008

Author(s)

S L. Kennedy, N Washburn, A Sehgal, Alamgir Karim, Eric J. Amis

Numerous groups have demonstrated that cell alignment, cell spreading and cell proliferation can be controlled by various topographical features. There are

Covalent Surface Chemistry Gradients for Presenting Bioactive Peptides

October 16, 2008

Author(s)

Matt J. Kipper, Hynda K. Kleinman, Francis W. Wang

The activation of surfaces by covalent attachment of bioactive moieties is an important strategy for improving the performance of biomedical materials. Such

A Hybrid, Quantum-Classical Approach for the Computation of Dislocation Properties in Real Materials: Method, Limitations and Applications

October 16, 2008

Author(s)

Francesca Tavazza, Lyle E. Levine, Anne M. Chaka

In this work we introduce a hybrid ab initio-classical simulation methodology designed to incorporate the chemistry into the description of phenomena that

Wavelength--Shift Fluorescent Probes for Monitoring of Polymerization

October 16, 2008

Author(s)

Francis W. Wang, R E. Lowry

The feasibility of using wavelength-shift fluorescent probes for cure monitoring of an epoxy resin and an acrylic resin was evaluated. 4-(N,N-dihexylaminostyryl

Roughness of Glass Surfaces Formed by Sub-Critical Crack Growth

October 16, 2008

Author(s)

Sheldon M. Wiederhorn, Jay S. Wallace, Jean-Pierre Guin, Theo Fett

Improved Modeling of Residual Strain/Stress and Crystallite-Size Distribution in Rietveld Refinement*

October 16, 2008

Author(s)

Davor Balzar, N Popa

We propose two improvements to the microstructural modeling in Rietveld refinement. The first is the model that yields the complete texture-weighted strain and

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