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Journals

Spin Configuration and Classification of Switching Processes in Ferromagnetic Rings Down to Sub-100 nm Dimensions

May 1, 2004

Author(s)

C Vaz, T Monchesky, john unguris, E Bauer, S Cherifi, S Heun, A Locatelli, L J. Heyderman, Z Cui, J Bland

The magnetic states and switching processes are investigated in Co and NiFe rings with lateral dimensions from the micrometer range down to sub-100 nm. Using...

Influence of Heating Rate on Flow Stress in High-Speed Machining Processes

May 1, 2004

Author(s)

Matthew A. Davies, Sean W. Smith

For several decades, a major focus of machining research has been the measurement and prediction of temperature. Here, the influence of the rate of heating on...

Long-Term Strength of Ceramics for Biomedical Applications

May 1, 2004

Author(s)

Yu Zhang, Brian R. Lawn

The influence of slow crack growth on the initiation of radial cracks at the undersurfaces of ceramic layers on polymeric substrates is studied, with particular...

Wear Prediction of Ceramics

May 1, 2004

Author(s)

Stephen M. Hsu, M C. Shen

Advanced ceramics are increasingly being used for wear applications. The strength and fatigue resistance of ceramics have increased several fold in the last...

Self-Hardening Calcium Phosphate Cement-Mesh Composite: Reinforcement, Macropores, and Cell Response

May 1, 2004

Author(s)

Hockin D. Xu, Carl G. Simon Jr.

Calcium phosphate cement (CPC) self-hardens to form hydroxyapatite, has excellent osteoconductivity and bone-replacement ability, and is promising for dental...

Ti ls Pre-Edge Features in Rutile: A Bethe-Salpeter Calculation

May 1, 2004

Author(s)

Eric L. Shirley

This work studies Ti K-edge excitation in rutile TiO2 by considering the x-ray absorption spectrum in a Bethe-Salpeter approach. This work compares resultes...

Diffraction Effects on Broadband Radiation: Formulation for Computing Total Irradiance

May 1, 2004

Author(s)

Eric L. Shirley

We present a formulation for treating diffraction effects on total irradiance in the case of a Planck source, whereas earlier work generally depended on...

Design and Characterization of a Photometer--Colorimeter Standard

May 1, 2004

Author(s)

George P. Eppeldauer, M Racz

A photometer/tristimulus colorimeter has been developed at the National Institute of Standards and Technology (NIST) to realize a color scale. A novel...

Tuning Spectral Properties of Fullerenes by Substitutional Doping

May 1, 2004

Author(s)

Rui-Hua Xie, Garnett W. Bryant, G Sun, T Kar, Z Chen, V H. Smith, Y Araki, N Tagmatarchis, H Shinohara, O Ito

We propose a substitutional doping approach to achieve tunable optical properties from fullerenes. Taking Cd60 as an example and using time-dependent density...

Methyl Torsional State Analysis of the Jet-Cooled Microwave Spectrum of N-Acetylglycine

May 1, 2004

Author(s)

Francis J. Lovas, R J. Lavrich, David F. Plusquellic

The microwave spectrum of N-acetylglycine was obtained using a NIST Fourier-transform microwave spectrometer equipped with a heated, pulsed-nozzle source. One...

X-Ray Absorption Imaging of Hg Vapor in a Ceramic Metal-Halide Lamp Using Synchrotron Radiation

May 1, 2004

Author(s)

John J. Curry, H G. Adler, A MacPhee, Suresh Narayanan, J C. Wang

The diagnostic technique based on absorption of x-rays by the Hg vapor in a high-intensity discharge lamp has been extended using synchrotron radiation as the...

Effect of Backscattered Electrons on the Analysis Area in Scanning Auger Microscopy

May 1, 2004

Author(s)

Cedric J. Powell

A simple analytical model has been used to determine the effects of backscattered electrons on the analysis area in scanning Auger microscopy. For normally...

Quantum Key Distribution With 1.25 Gbps Clock Synchronization

May 1, 2004

Author(s)

Joshua C. Bienfang, Alex J. Gross, Alan Mink, Barry J. Hershman, Anastase Nakassis, Xiao Tang, David H. Su, Charles W. Clark, Carl J. Williams, Edward W. Hagley, J Wen, R Lu

Uncertainties in Small-Angle Measurement Systems Used to Calibrate Angle Artifacts

May 1, 2004

Author(s)

Jack A. Stone Jr., M Amer, Bryon S. Faust, Jay H. Zimmerman

We have studied a number of effects that can give rise to errors in small-angle measurement systems when they are used to calibrate artifacts such as optical...

Thermal and Flammability Properties of Polypropylene/Carbon Nanotube Nanocomposites

May 1, 2004

Author(s)

Takashi Kashiwagi, E A. Grulke, J N. Hilding, Richard H. Harris Jr., John R. Shields, Kathryn M. Butler, K M. Groth, S B. Kharchenko, Jack F. Douglas

The thermal and flammability properties of polypropylene/multi-walled carbon nanotube, (PP/MWNT) nanocomposites were measured with the MWNT content varied from...

Structure of C73G putidaredoxin from Pseudomonas putida

May 1, 2004

Author(s)

N Smith, M P. Mayhew, Marcia J. Holden, H Kelly, H Robinson, A Heroux, V L. Vilker, David T. Gallagher

MEMS Sensors for HVAC&R

May 1, 2004

Author(s)

David A. Yashar, Piotr A. Domanski

MicroElectronic Mechanical Systems (MEMS) have revolutionized the market for sensors by providing small, fast-responding measurement devices at very low cost...

Making Chlorine Greener: Investigation of Alternatives to Sulfite for Dechlorination

May 1, 2004

Author(s)

Mary Bedner, William A. MacCrehan, G. R. Helz

Importance of Excluded Volume on the Solvation of Urea in Water

May 1, 2004

Author(s)

Raymond D. Mountain, D Thirumalai

We have used molecular dynamics simulations to probe the concentration-dependent solvation of urea in water. Two models of urea re considered: one of the in the...

Test Environment and Procedures for Testing EnCase 3.20

May 1, 2004

Author(s)

James R. Lyle

This document describes the testing of EnCase 3.20. The test cases that were applied are described in Disk Imaging Tool Specification, Version 3.1.6.The tests...

Consistency Tests for Key Comparison Data

May 1, 2004

Author(s)

Dominic F. Vecchia, Chih-Ming Wang

The Rheology of Cementitious Materials: Chemistry, Colloids and Rocks

May 1, 2004

Author(s)

Robert J. Flatt, Nicos Martys

Knowledge of colloidal science has proven essential in the development of a new generation of dispersants for concrete. These polymer molecules induce steric...

Data Standards for Proteomics: Mitochondrial Two-Dimensional Polyacrylamide Gel Electrophoresis Data as a Model System

May 1, 2004

Author(s)

Veerasamy Ravichandran, G B. Vasquez, S Srivastava, M Verma, E Petricoin, Joshua Lubell, Ram D. Sriram, Peter E. Barker, G L. Gilliland

The advent of human proteomics as a major discipline has led to a reexamination of the need for consensus and a nationally sanctioned set of proteomics...

Electrodeposition of Al-Mo Alloys from the Lewis Acidic Aluminum Chloride-1-Ethyl-3-Methylimidazolium Chloride Molten Salt

May 1, 2004

Author(s)

T Tsuda, C L. Hussey, Gery R. Stafford

The electrodeposition of aluminum Molybdenum alloys was examined at copper rotating disk and wire substrates in the Lewis acidic 66.7-33.3 mole percent aluminum...

Silicon Carbide PiN and Merged PiN Schottky Power Diode Models Implemented in the Saber Circuit Simulator

May 1, 2004

Author(s)

Ty R. McNutt, Allen R. Hefner Jr., Alan Mantooth, J L. Duliere, David W. Berning, Ranbir Singh

Dynamic electrothermal circuit simulator models are developed for silicon carbide power diodes. The models accurately describe the temperature dependence of on...

The Influence of Electrospray Deposition in Matrix-assisted Laser Desorption/Ionization Mass Spectrometry Sample Preparation for Synthetic Polymers

May 1, 2004

Author(s)

S Wetzel, Charles M. Guttman, Kathleen M. Flynn

Three polymers of differing thermal stability, polystyrene (PS), polyethylene glycol (PEG), and polypropylene glycol (PPG) were studied by matrix-assisted laser...

Serial Correlation of QC Data on the Use of Proper Control Charts

May 1, 2004

Author(s)

P Winkel, Nien F. Zhang

Biochemical quality control data have been reported to be autocorrelated. Serial correlation may increase the rate of false alarms and decrease that of true...

Effects of Annealing on the GMR and Domain Structure Stabilization in a Py/Cu/Py/MnIr Spin Valve

May 1, 2004

Author(s)

C G. Lee, J G. Jung, V S. Gornakov, Robert McMichael, Andrew P. Chen, William F. Egelhoff Jr.

The thermal stability of magnetic and magnetotransport properties of a Py/Cu/Py/Ir 20MN 80 spin-valve system were studied. The dependence of the...

Self Hardening Calcium Phosphate Composite Scaffold for Bone Tissue Engineering

May 1, 2004

Author(s)

H H. Xu, Carl Simon Jr.

Calcium phosphatement (CPC) sets in situ to form solid hydroxyapatite, can conform to complex cavity shapes without machining, has excellent osteoconductivity...

Structural and Dynamic Heterogeneity in a Telechelic Polymer Solution

May 1, 2004

Author(s)

D Bedrov, G D. Smith, Jack F. Douglas

We utilize molecular dynamics simulations to investigate the implications of micelle formation on structural relaxation and polymer bead displacement dynamics...

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