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Journals

Merits of PM Noise Measurement over Noise Figure: A Study at Microwave Frequencies

October 1, 2006

Author(s)

Archita Hati, David A. Howe, Fred L. Walls, D. Walker

This paper addresses two issues: (i) it compares the usefulness of phase-modulation (PM) noise measurements vs. noise figure (NF) measurements in characterizing...

Advanced Metrology Needs for Nanoelectronics Lithography

October 1, 2006

Author(s)

Stephen Knight, Ronald Dixon, Ronald L. Jones, Eric Lin, Ndubuisi G. Orji, Richard M. Silver, Andras Vladar, Wen-li Wu

The semiconductor industry has exploited productivity improvements through aggressive feature size reduction for over four decades. While enormous effort has...

A Brighter Future From Gallium Nitride Nanowires

October 1, 2006

Author(s)

Kristine A. Bertness, Norman Sanford, Albert Davydov

How might nitride semiconductor nanowires change the future of computing? In the spirit of this special issue on how science fiction might become working...

Impulse Spectrum Amplitude Uncertainty Analysis

October 1, 2006

Author(s)

Nicholas Paulter, Donald R. Larson

A detailed uncertainty analysis for an impulse spectrum amplitude measurement system is presented. This analysis includes consideration of effects such as...

Eliminating FFT Artifacts in Vector Signal Analyzer Spectra

October 1, 2006

Author(s)

Michael McKinley, Kate Remley, M. Myslinski, J. S. Kenney

We present a method to minimize spectral leakage in measurements of periodic signals made with the vector signal analyzer (VSA) by taking into account the...

An Optimized Electrophoresis System for Tandem SSCP and Heteroduplex Analysis of p53 Gene Exons 5-9 on Glass Microfluidic Chips

October 1, 2006

Author(s)

Christa N. Hestekin, J P. Jakupciak, Thomas N. Chiesl, C D. O'Connell, Annelise E. Barron, C W. Kan

With the sequencing of the human genome, there is a growing need for rapid and sensitive genotyping methods that can be incorporated into the clinical setting...

A Thermodynamic Study of Ketoreductase-Catalyzed Reactions, Part 3: Reduction of 1-Phenyl-1-Alkanones in Non-Aqueous Solvents

October 1, 2006

Author(s)

Yadu D. Tewari, N Kishore, J D. Rozzell, David J. Vanderah, Michele M. Schantz

The equilibrium constants K for the reactions (1-phenyl-1-alkanone + 2-propanol = 1-phenyl-1-alkanol + acetone) in the solvents n-pentane and n-hexane have been...

Microcantilever Torque Magnetometry Study of Patterned Magnetic Films

October 1, 2006

Author(s)

L. Yuan, Lan Gao, R. Sabirianov, Sy-hwang Liou, Michelle Chabot, Dong-Hoon Min, John M. Moreland, Bao Shan Han

Microcantilever torque magnetometry (MTM) is a sensitive tool to measure small magnetization changes in the sample. In this paper, we investigated a process for...

Phase Velocity in Resonant Structures

October 1, 2006

Author(s)

James R. Baker-Jarvis, Michael D. Janezic, Derik Love, Thomas Mitchell (Mitch) Wallis, Christopher L. Holloway, Pavel Kabos

In this paper we present a simple experimental procedure for studying the phase velocity behavior of a metafilm with tunable material properties. Using this...

Origin of the Relaxtor State in Pb(BxB'1-x)O3 Perovskites

September 29, 2006

Author(s)

Silvia Tinte, Benjamin P. Burton, Eric J. Cockayne, U V. Waghmare

Apparatus for Wide-Ranging, High-Accuracy Fluid p-ρ-T Measurements Based on a Compact Two-Sinker Densimeter

September 28, 2006

Author(s)

Mark O. McLinden, Cornelia Losch-Will

An apparatus for high-accuracy fluid p-ρ-T measurements over wide ranges of temperature, pressure, and density (90 to 520 K; 0 to 40 MPa; 5 to 1700 kg/m 3) is...

Role of Core Support Material in Veneer Failure of Brittle Layer Structures

September 26, 2006

Author(s)

Ilja Hermann, Sanjit Bhowmick, Brian R. Lawn

A study is made of veneer failure by cracking in all-ceramic crown-like layer structures. Model trilayers consisting of a 1 mm thick external glass layer...

Formation Mechanisms and Properties of Semifluorinated Molecular Gradients on Silica Surfaces

September 26, 2006

Author(s)

Jan Genzer, K Efimenko, Daniel A. Fischer

Characterization of Atomic Motions Governing Grain Boundary Migration

September 24, 2006

Author(s)

Hao Zhang, David J. Srolovitz, Jack F. Douglas, James A. Warren

Molecular dynamics simulations were employed to study atomic motion within stationary and migrating asymmetric tilt grain boundaries. We employ several measures...

Prototype Cantilevers for SI Traceable NanoNewton Force Calibration

September 20, 2006

Author(s)

Richard S. Gates, Jon R. Pratt

A series of extremely uniform prototype reference cantilevers has been created that can be used to calibrate the spring constants of atomic force microscope...

Eval-Ware: Digital Video Retrieval

September 20, 2006

Author(s)

Paul D. Over, Alan Smeaton

The short write up highlights some Internet resources of interest connection with evaluation of digital video retrieval systems.

Prototype Cantilevers for SI-Traceable NanoNewton Force Calibration

September 20, 2006

Author(s)

Richard S. Gates, Jon R. Pratt

A series of extremely uniform prototype reference cantilevers have been created that can be used to calibrate the spring constants of atomic force microscope...

Demonstration and modeling of an array-compatible TES microcalorimeter gamma-ray detector with 42 eV energy resolution at 103 keV

September 20, 2006

Author(s)

Barry L. Zink, Joel Ullom, James A. Beall, Kent D. Irwin, W.Bertrand (Randy) Doriese, William Duncan, S. L. Ferreira, Gene C. Hilton, Rob Horansky, Carl D. Reintsema, Leila R. Vale

We describe a microcalorimeter gamma-ray detector with measured energy resolution of 42 eV full width at half maximum for 103 keV photons. This detector...

Rheo-Optics of Equilibrium Polymer Solutions: Wormlike Micelles in Elongational Flow in a Microfluidic Cross-Slot

September 19, 2006

Author(s)

Jai A. Pathak, Steven D. Hudson

The rheo-optical analysis of polymer solutions and melts is a critical tool in elucidating their molecular response to flow fields. We therefore evaluate the...

Coupling between Octahedral Tilting and Ferroelectric Order in Tetragonal Tungsten Bronze-Structured Dielectrics

September 18, 2006

Author(s)

MILES G. Stennett, D I. Woodward, A R. West, I Reaney

The 2005 Materials Research Society (MRS) Fall Meeting

September 18, 2006

Author(s)

Winnie K. Wong-Ng

The 2005 Materials Research Society (MRS) Fall Meeting took place in the Hynes Convention Center and the Sheration Boston Hotel, starting the weekend following...

Einstein-de Haas effect in a NiFe film deposited on a microcantilever

September 18, 2006

Author(s)

Thomas Mitchell (Mitch) Wallis, John M. Moreland, Pavel Kabos

A new methods is presented for determining the magetomechanical ratio, g', in a thin ferromagnetic film deposited on a microcantilever via measurement of the...

Power Dependence of the Frequency Bias Caused by Spurious Components in the Microwave Spectrum in Atomic Fountains

September 15, 2006

Author(s)

Steven R. Jefferts, Jon H. Shirley, F Levi

The presence of spurious spectral components in the microwave excitation may induce frequency shifts in an atomic fountain. We discuss how such shifts behave as...

A Straightforward Frequency-Estimation Technique for GPS Carrier-Phase Time Transfer

September 15, 2006

Author(s)

C Hackman, Judah Levine, Thomas E. Parker, Dirk Piester, Juergen Becker

GPS carrier-phase time transfer (GPSCPTT) offers high frequency stability at short averaging times, approaching a fractional frequency stability of 10 -15 at an...

Effects of Wafer Impedance on the Monitoring and Control of Ion Energy in Plasma Reactors

September 15, 2006

Author(s)

Mark A. Sobolewski

Comparative Measures of Single Wall Carbon Nanotube Dispersion

September 14, 2006

Author(s)

Jeffrey A. Fagan, Brian Landi, Idan Mandelbaum, Vardhan Bajpai, Barry J. Bauer, Kalman D. Migler, Jeffrey R. Simpson, Angela R. Hight Walker, Ryan Raffaelle, Erik K. Hobbie

Model polymer composites of DNA wrapped single-wall carbon nanotubes (SWNTs) dispersed in polyacrylic acid are used for a systematic comparison of the different...

SI-Traceable Spring Constant Calibration of Microfabricated Cantilevers for Small Force Measurement

September 14, 2006

Author(s)

Gordon A. Shaw, John A. Kramar, Jon R. Pratt

A variety of methods exist to measure the stiffness of microfabricated cantilever beams such as those used as mechanical sensors in atomic force microscopy (AFM...

Long-distance quantum key distribution in optical fibre

September 14, 2006

Author(s)

Philip A. Hiskett, Danna Rosenberg, Charles G. Peterson, Richard J. Hughes, Jane E. Nordholt, Sae Woo Nam, Adriana Lita, Aaron J. Miller

Use of low-noise detectors can both increase the secret bit rate of long-distance quantum key distribution (QKD) and dramatically extend the length of a fibre...

The Microwave Spectrum of a Two-Top Peptide Mimetic: The N-Acetyl Alanine Methyl Ester Molecule

September 14, 2006

Author(s)

I Kleiner, J Demaison, David F. Plusquellic, R D. Suenram, R J. Lavrich, Francis J. Lovas, Gerald T. Fraser, Vadim V. Ilyushin

Rotational spectra of the ground torsional state of the N-acetyl alanine methyl ester molecule, a derivative of the alanine dipeptide biomimetic molecule, have...

Curing, Hydration, and Microstructure of Cement Paste

September 13, 2006

Author(s)

Dale P. Bentz, Paul E. Stutzman

This paper compares the hydration characteristics and microstructures of cement pastes with water-to-cement ratios (w/c) of 0.35 and 0.435, cured under...

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