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Journals

Phase Relations, Crystal Chemistry, and Dielectric Properties in Sections of the La₂O₃-CaO- MgO-TiO₂ System

June 1, 2004

Author(s)

Terrell A. Vanderah, V L. Miller, Igor Levin, S M. Bell, T Negas

Subsolidus phase equilibria, crystal chemistry, and dielectric behavior were studied for the La 2O 3 MgO TiO 2 system and for the ternary sections LaMg 1/2Ti 1...

Automated Analysis of Organic Particles Using Cluster SIMS

June 1, 2004

Author(s)

John G. Gillen, Cynthia J. Zeissler, Christine M. Mahoney, Abigail P. Lindstrom, Robert A. Fletcher, P Chi, Jennifer R. Verkouteren, David S. Bright, R Lareau, M Boldman

Cluster primary ion bombardment combined with secondary ion imaging is used in an ion microscope secondary ion mass spectrometer for the spatially resolved...

Depth Profiling of 4-Acetamindophenol-Doped Poly(lactic acid) Films Using Cluster Secondary Ion Mass Spectrometry

June 1, 2004

Author(s)

Christine M. Mahoney, S V. Roberson, John G. Gillen

The feasibility of cluster Secondary Ion Mass Spectrometry (SIMS) for depth profiling of drug delivery systems is explored. Behaviors of various biodegradable...

Dynamic SIMS Utilizing SF₅⁺ Polyatomic Primary Ion Beams for Drug Delivery Applications

June 1, 2004

Author(s)

Christine M. Mahoney, S V. Roberson, John G. Gillen

The behavior of various biodegradable polymer films (e.g. polylactic acid, polyglycolic acid and polycaprolactone) as well as some model drugs (theophylline and...

Telomerase Activity Measurement in Magnetically Captured Epithelial Cells: Comparison of Slab-Gel and Capillary Electrophoresis

June 1, 2004

Author(s)

J L. Hess, Donald H. Atha, J Xu, W E. Highsmith

We have compared telomerase activity measurements by slab-gel and capillary electrophoresis in human cultured cells and in epithelial cells isolated from...

Infrared Detection of a Phenylboronic Acid Terminated Alkane Thiol Monolayer on Gold Surfaces

June 1, 2004

Author(s)

S H. Brewer, A M. Allen, S E. Lappi, T L. Chasse, Kimberly Briggman, C B. Gorman, S Franzen

Polarization modulation infrared reflectance absorption spectroscopy(PM-IRRAS)andinfrared reflectance absorption spectroscopy (IRRAS) have been used to...

A multiplex allele-specific primer extension assay for forensically informative SNPs distributed throughout the mitochondrial genome

June 1, 2004

Author(s)

Peter Vallone, R S. Just, Michael D. Coble, John M. Butler, T. J. Parsons

Stresses in shape memory polymer-matrix nanocomposites for biomedical applications

June 1, 2004

Author(s)

Davor Balzar, G Stefanic, Kenneth Gall, Martin Dunn, Yiping Liu

We report on the residual stresses in amorphous shape memory polymers reinforced with SiC particles. After 50 % compression of the composite material at 25 ¿C...

Magnetorestistance and electrical transport properties of La_0.67Ca_0.33MnO₃ (LCMO): xSiCN composites

June 1, 2004

Author(s)

D. Das, Atanu Saha, Stephen E. Russek, Rishi Raj, D. Bahadur

The magnetic and electrical transport properties of La 0.67Cad0.33^MnO 3(LCMO): xSiCN (x=0-40 vol%) composites, synthesized by mechanical mixing of citrate gel...

A study of magnetic interactions of Ni80Fe20 arrays using ultra-sensitive microcantilever torque magnetometry

June 1, 2004

Author(s)

Lan Gao, D. Q. Feng, L. Yuan, T. Yokota, R. Sabirianov, Sy-Hwang Liou, Michelle Chabot, Daniel Porpora, John M. Moreland

We have successfully fabricated single and paired 300 nm × 1.5 υm × 32 nm Ni 80Fe 20 bars on a microcantilever using focused ion beam milling. Magnetic...

Reducing Search Frustration on the World Wide Web

June 1, 2004

Author(s)

C B. Weinstock, D Wallace

Finding information on the World Wide Web can be a frustrating experience. One practical approach is taxonomy-based searching in which a taxonomy is created for...

Active Vibration Isolation for a Long-Range Scanning Tunneling Microscope

June 1, 2004

Author(s)

K J. Lan, J Y. Yen, John A. Kramar

Vibration Isolation or control is critical for the optimum operation of the Molecular Measuring Machine (M3), a high-resolution, length-metrology instrument at...

Shear-Induced Structure in Polymer-Clay Nanocomposite Solutions

June 1, 2004

Author(s)

Sheng Lin-Gibson, H W. Kim, G Schmidt, Charles C. Han, Erik K. Hobbie

Abstract: The equilibrium structure and shear response of model polymer-clay nanocomposite gels are measured using X-ray scattering, light scattering, optical...

Possible Ballistic Magnetroresistance-like Artifacts in Electrodeposited Nanocontacts.

June 1, 2004

Author(s)

Erik B. Svedberg, J Mallett, H Ettedgui, Andrew P. Chen, Alexander J. Shapiro, Thomas P. Moffat, William F. Egelhoff Jr.

Artifacts in Ballistic Magnetoresistance Measurements

June 1, 2004

Author(s)

William F. Egelhoff Jr., L Gan, H Ettendgui, Y Kadmon, Cedric J. Powell, P J. Chen, Alexander J. Shapiro, Robert McMichael, J Mallett, Thomas P. Moffat, Mark D. Stiles

We have carried out an extensive search for credible evidence to support the existence of a ballistic magnetoresistance (BMR) effect in magnetic nanocontacts...

Spin Nomenclature for Semiconductors and Magnetic Metals

June 1, 2004

Author(s)

B Jonker, A Hanbicki, Daniel T. Pierce, Mark D. Stiles

The different conventions used in the semiconductor and magnetic metals communities can cause confusion in the context of spin polarization and transport in...

Comparative Measurements of Slovenian and USA Rockwell C Hardness Scales

June 1, 2004

Author(s)

A -. Stibler, Samuel Low, R -. Ellis

A national scale is set up for each hardness scale representing the reference hardness values in each country. From metrological and international trade aspects...

Serial Correlation of Quality Control Data -- On the Use of Proper Control Charts

June 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...

Artifacts in Ballistic Magnetoresistance Measurements

June 1, 2004

Author(s)

William F. Egelhoff Jr., L Gan, H Ettedgui, Y Kadmon, Cedric J. Powell, P J. Chen, Alexander J. Shapiro, Robert McMichael, J Mallett, Thomas P. Moffat, Mark D. Stiles, Erik B. Svedberg

We have studied the behavior of electrodeposited Ni and Fe nanocontacts in magnetic fields and the changes in resistivity (Δ}R) that occur. Metallic particles...

Fracture Mode Transitions in Brittle Coatings on Compliant Substrates as a Function of Thickness

June 1, 2004

Author(s)

H Chai, Brian R. Lawn

The fundamentally changing nature of fracture in brittle coatings on compliant substrates with diminishing coating thickness is examined. Attention is focused...

Ubiquity of Domain Patterns in Sheared Viscoelastic Fluids

June 1, 2004

Author(s)

Erik K. Hobbie, Sheng Lin-Gibson, Haonan Wang, Jai A. Pathak, H W. Kim

We propose a unified explanation of pattern formation in sheared two-phase viscoelastic fluids that fall within the simple paradigm of interacting soft elastic...

Spatial and Angular Responsivity Measurements of Photoconductive HgCdTe LWIR Radiometers

June 1, 2004

Author(s)

H Gong, Leonard Hanssen, George P. Eppeldauer

Several newly developed large area photoconductive (PC) mercury cadmium telluride (HgCdTe) radiometers have been tested for spatial and angular responsivity for...

2003 AAAI Robot Competition and Exhibition

June 1, 2004

Author(s)

S E. Maxwell, Adam S. Jacoff, J Casper, Brian Weiss, Jean C. Scholtz, H A. Yanco, M Micire, D W. Stroup

The fourth annual Rescue Robot Competition took place at the IJCAI/AAAI 2003 Conference in Acapulco, Mexico. The competition encourages participants to...

Application of Conformal Mapping Approximation Techniques: Parallel Conductors of Finite Dimensions

June 1, 2004

Author(s)

Nadine Guillaume, Walter K. Kahn, Richard A. Allen, Michael W. Cresswell, Mona E. Zaghloul

This paper describes a novel approach to the application of conformal mapping to capacitance evaluation. A particular structure composed of an array of...

STEP - Compliant NC Research: The Search for Intelligent CAD/CAPP/CAM/CNC Integration

May 31, 2004

Author(s)

Xun W. Xu, H Wang, Jian Mao, S T. Newman, Thomas Kramer, Frederick M. Proctor, John L. Michaloski

Since the first generation of NC machine tool was developed in 1950s, there have been many developments, which make today's NC machines completely...

Breakup of a Fluid Thread in a Confined Geometry: Droplet-Plug Transition Perturbation Sensitivity and Kinetic Stabilization with Confinement

May 26, 2004

Author(s)

John G. Hagedorn, Nicos Martys, Jack F. Douglas

The breakup of a fluid thread surrounded by another Newtonian fluid in a coaxial tube in the absence of imposed flow is investigated using the Lattice Boltzmann...

Superconducting Detectors

May 24, 2004

Author(s)

Kent D. Irwin

Superconducting detectors operated at temperatures near absolute zero are bringing about a broad revolution in measurement capabilities in a wide range of...

Radio-Frequency Glow Discharge Spectrometry: A Critical Review

May 21, 2004

Author(s)

Michael R. Winchester, R Payling

Photodegradation of Fluorescein in Solutions Containing n-Propyl Gallate

May 20, 2004

Author(s)

Adolfas K. Gaigalas, Lili Wang, Kenneth D. Cole, E Humphries

Pulse Parameter Dependence on Transition Occurrence Instant and Waveform Epoch

May 20, 2004

Author(s)

Donald R. Larson, Nicholas Paulter, David I. Bergman

The pulse parameters of amplitudeds and transition duration (10% to 90 %) are examined as a function of the epoch and position of the transition edge in the...

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