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Journals

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 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...

Phase Formation and Properties in the System Bi2O 3:2CoO 1+x:Nb2O5

September 13, 2006

Author(s)

Terrell A. Vanderah, T Siegrist, M W. Lufaso, C Yeager, Juan C. Nino, S Yates, Robert S. Roth

Subsolidus phase relations have been determined for the Bi-Co-Nb-O system in air (750 C to 925 C). Ternary compound formation was limited to pyrochlore (A2B 2O...

Association Characteristics in Spatial Statistics

September 12, 2006

Author(s)

Andrew L. Rukhin

A coefficient of association for two spatial sequences is suggested. Some properties of this characteristic are discussed. By using the Central Limit Theorem...

Correlation for the Vapor Pressure of Mercury

September 12, 2006

Author(s)

Marcia L. Huber, Arno D. Laesecke, Daniel G. Friend

We present a new correlation for the vapor pressure of mercury that is valid from the triple point to the critical point. The equation is a Wagner-type form...

Whisker Formation in Pb-Free Surface Finishes

September 11, 2006

Author(s)

Gery R. Stafford, Maureen E. Williams, C E. Johnson, Kil-Won Moon, Ugo Bertocci, William J. Boettinger

High purity bright Sn, Sn-Cu and Sn-Pb layers measuring 3,7 and 16 microns thick were electrodeposited onto phosphor bronze cantilever beams in a rotating disk...

Numerical Modeling of Diffusion-Induced Deformation

September 11, 2006

Author(s)

J A. Dantzig, William J. Boettinger, James A. Warren, Geoffrey B. McFadden, Sam R. Coriell, R F. Sekerka

We present a numerical approach to modeling the deformation induced the the Kirkendall effect in binary alloys. The governing equations for isothermal binary...

Determination of Lipid Phase Transition Temperatures in Hybrid Bilayer Membranes

September 9, 2006

Author(s)

Neil A. Anderson, Lee J. Richter, John C. Stephenson, Kimberly A. Briggman

The main gel to liquid crystal (LC) phase transition temperature, Tm, of the lipid monolayers in hybrid bilayer membranes (HBMs) was investigated using...

Bulk Viscosity, Thermoacoustic Boundary Layers, and Adsorption Near the Critical Point

September 8, 2006

Author(s)

Keith A. Gillis, Iosif I. Shinder, Michael R. Moldover

We measured the resonance spectrum of an acoustic resonator filled with xenon near its critical temperature Tc. We reduced the effect of gravity on the xenon by...

Fourier Transform Microwave Spectroscopy of Isotopically Substituted Diacetylenes: rs-Structure, Quadrupole Coupling, and Anisotropic Nuclear Spin-Spin Interaction

September 8, 2006

Author(s)

Francis J. Lovas, R D. Suenram, Keiji Matsumura, Takehiko Tanakac

Structure of the Class IV Adenylyl Cyclase Reveals a Novel Fold

September 8, 2006

Author(s)

David Gallagher, N Smith, S. Kim, A Heroux, Howard Robinson, Prasad T. Reddy

Microwave Spectrum and Structure of Furfural

September 8, 2006

Author(s)

R A. Motiyenkoa, E A. Alekseev, S F. Dyubkoa, Francis J. Lovas

The microwave spectrum of furfural was investigated in the frequency range 7 GHz to 21 GHz and 49 GHz to 330 GHz. The ground and first torsional state of trans...

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