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Journals

Nanopore Formation in a Polyphenylene Low-k Dielectric

April 1, 2005

Author(s)

M S. Silverstein, Michael Shach-Caplan, Barry J. Bauer, R C. Hedden, V. J. Lee, B G. Landes

Nanometer-scale porosity is being introduced into low-k dielectrics in an attempt to achieve interlevel metal insulators with permittivities of less than 2.0...

X-Ray Absorption Imaging of High-Pressure Lighting Plasmas

April 1, 2005

Author(s)

John J. Curry, Craig J. Sansonetti

X-ray absorption has been used to image the distribution of Hg in high-pressure arc lamps used for lighting (Curry, Sansonetti, and Wang, in progress). Here...

Strongly Inhibited Transport of a Degenerate 1D Bose Gas in a Lattice

April 1, 2005

Author(s)

C Fertig, K M. O'Hara, J H. Huckans, S L. Rolston, William D. Phillips, James V. Porto

We report the observation of strongly damped dipole oscillations of a quantum degenerate 1D atomic Bose gas in a combined harmonic and optical lattice potential...

Methods to Reduce the Size-of-Source Effect in Radiation Thermometers

April 1, 2005

Author(s)

Howard W. Yoon, David W. Allen, Robert D. Saunders

A Simple Transfer-Optics System for an Extreme-Ultraviolet Synchrotron Beamline

April 1, 2005

Author(s)

Charles S. Tarrio, Steven E. Grantham, Robert E. Vest, K Liu

Beamlines at synchrotron radiation facilities often have interchangeable endstations to allow several different experiments to use the output of a single...

Stabilized frequency comb with a self-referenced femtosecond Cr:forsterite laser

April 1, 2005

Author(s)

Kyoungsik Kim, Brian R. Washburn, G Wilpers, Christopher W. Oates, Leo W. Hollberg, Nathan R. Newbury, Scott A. Diddams, Jeffrey W. Nicholson, M. F. Yan

A frequency comb is generated with a Cr:forsterite femtosecond laser, spectrally broadened through a highly nonlinear optical fiber to span from 1.0 υm to 2.2...

2-D Imaging of Temperature in CF₄ Plasmas

April 1, 2005

Author(s)

Kristen L. Steffens, Mark A. Sobolewski

Two-dimensional maps of rotational temperature were determined in CF4 plasmas using planar laser-induced fluorescence of CF. Experiments were performed in a...

Controlled Electrophoretic Patterning of Polyaniline From a Colloidal Suspension

April 1, 2005

Author(s)

Guofeng Li, C Martinez, Stephen Semancik

We present a method for controlled deposition of polyaniline from its colloidal suspension. The stable suspension of polyaniline colloids (~ 115 nm in diameter)...

Characterization of Thin Films on the Nanometer Scale by Auger Electron Spectroscopy and X-Ray Photoelectron Spectroscopy

April 1, 2005

Author(s)

Cedric J. Powell, Aleksander Jablonski, W S. Werner, W Smekal

We describe two NIST databases that can be used to characterize thin films from Auger-electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS)...

Approximate Self-Consistent Potentials for Density-Functional-Theory Exchange-Correlation Functionals

April 1, 2005

Author(s)

Mauricio Cafiero, Carlos A. Gonzalez

We show that potentials for exchange-correlation functionals within the Kohn-Sham Density Functional Theory framework may be written as potentials for simpler...

UML 2 Activity and Action Models, Part 6: Structured Activities

April 1, 2005

Author(s)

Conrad E. Bock

This is the sixth in a series introducing the activity model in the Unified Modeling Language, version 2 (UML 2), and how it integrates with the action model [1...

Extension of the Bloch T^3/2^ Law to Magnetic Nanostructures: Bose-Einstein Condensation

April 1, 2005

Author(s)

Edward Della Torre, Lawrence H. Bennett, R E. Watson

The Bloch spin-wave T law for the temperature dependence of magnetization 3/2 is one of the most fundamental in the theory of ferromagnetism. An experimental...

Fast Setting Calcium Phosphate-Chitosan Scaffold: Mechanical Properties and Biocompatibility

April 1, 2005

Author(s)

H H. Xu, Carl Simon Jr.

Blends From In Situ Photopolymerization of Poly(ethylene Glycol) Dimethacrylate Polylactide Mixtures (Poster)

April 1, 2005

Author(s)

K J. Zhang, Carl Simon Jr., Joseph M. Antonucci, Sheng Lin-Gibson

Miscible or partially miscible blends of crosslinked-PEGDMA and PLA were prepared using a unique combination of mixing and photo-polymerization processes...

Ultracold Fermion Cooling Cycle Using Heteronuclear Feshbach Resonances

April 1, 2005

Author(s)

M A. Morales, N Nygaard, J E. Williams, Charles W. Clark

We consider an ideal gas of Bose and Fermi atoms in a harmonic trap, with a Feshbach resonance in the interspecies atomic scattering that can lead to formation...

Cross-Dimensional Relaxation in Bose-Fermi Mixture

April 1, 2005

Author(s)

J Goldwin, S Inouye, M L. Olsen, Deborah S. Jin

We consider the equilibration rate for fermions in Bose-Fermi mixtures undergoing cross-dimensional rethermalization. Classical Monte Carlo simulations of the...

Redefinition of the Kilogram: A Decision Whose Time Has Come

April 1, 2005

Author(s)

I M. Mills, Peter Mohr, T J. Quinn, Barry Taylor, Edwin R. Williams

The kilogram, the base unit of mass in the International System of Units (SI), is defined as the mass m(K) of the international prototype of the kilogram. This...

Toward High-Precision Values of the Self Energy of Non-S States in Hydrogen and Hydrogen-Like Ions

April 1, 2005

Author(s)

E-O Le Bigot, U Jentschura, P Indelicatio, Peter Mohr

Laser Cooling Transitions in Atomic Erbium

April 1, 2005

Author(s)

H Y. Ban, Marcus Jacka, James L. Hanssen, Joseph Reader, Jabez J. McClelland

Monte Carlo Simulations of Electron Transport in Solids: Applications to Electron Backscattering From Surfaces

April 1, 2005

Author(s)

Aleksander Jablonski, Cedric J. Powell

We report results of Monte Carlo simulations to investigate the effects of backscattered electrons in scanning Auger microscopy (SAM) on the radial...

Calculations of Stopping Powers of 100 eV to 30 keV Electrons in Ten Elemental Solids

April 1, 2005

Author(s)

S Tanuma, Cedric J. Powell, David R. Penn

We present calculated electron stopping powers (SPs) for ten elemental solids (Al, Si, Cr, Ni, Cu, Ge, Pd, Ag, Pt, and Au). These calculations were made for...

Structural, Electronic, and Dielectric Properties of Ultrathin Zirconia Films on Silicon

April 1, 2005

Author(s)

Safak Sayan, Nhan Van Nguyen, James R. Ehrstein, Tom Emge, Eric Garfunkel, Mark Croft, Xinjian Zhou, David V. Vanderbilt, Igor Levin, Evgeni Gusev, Hyunjung G. Kim, P J. McIntyre

Improved Capacitance Measurements with Respect to a 1 pF Cross Capacitor from 200 Hz to 2000 Hz

April 1, 2005

Author(s)

Yicheng Wang, Scott H. Shields

We describe frequency dependence measurements of fused-silica capacitance standards from 200 Hz to 2000 Hz, using a 1 pF cross capacitor as the reference...

Direct Resistance Comparisons From the QHR to 100 Megohm Using a Cryogenic Current Comparator

April 1, 2005

Author(s)

Randolph Elmquist, Emmanouel S. Hourdakis, Dean G. Jarrett, Neil M. Zimmerman

Measurements of 100 megohm standard resistors and cryogenic thin-film resistors based directly on a QHR standard have been made with a cryogenic current...

Investigations of Noise in Measurements of Electronic Voltage Standards

April 1, 2005

Author(s)

Thomas J. Witt, Yi-hua D. Tang

We have investigated noise in measurements of the 10 V outputs of electronic voltage standards based on Zener diode references (Zeners). Zener outputs were...

Linearization of Large-Signal Scattering Functions

April 1, 2005

Author(s)

Jan Verspecht, Dylan Williams, Dominique Schreurs, Kate Remley, Michael McKinley

We present an improved smallsignal linearization of large-signal scatteringparameter functions that takes on a convenient form similar to scattering parameters...

Evaluation of Carbon Dioxide as R22 Substitute for Residential Conditioning (in Polish) - Part 2

April 1, 2005

Author(s)

J S. Brown, Y Kim, Piotr A. Domanski

This paper compares performance of CO2 and R22 in residential air conditioning applications using semi-theoretical vapor compression and transcritical cycle...

Structure-Property Relationships of Photopolymerizable Poly(Ethylene Glycol) Dimethacrylate Hydrogels

April 1, 2005

Author(s)

L G. Sheng, Ronald L. Jones, N Washburn, F Horkay

Photopolymerized hydrogels from poly(ethylene glycol) dimethacrylate (PEGDM) and similar derivatives have been examined extensively as scaffolds for tissue...

Approximate Theory of Microwave Generation in a Current-Driven Magnetic Nano-contact Magnetized in an Arbitrary Direction

April 1, 2005

Author(s)

Pavel Kabos, Andrei N. Slavin

An approximate analytic theory of microwave generation by spin-polarized direct current in a magnetic nano-contact magnetized in an arbitrary direction is...

Calibrated 200 GHz Waveform Measurement

April 1, 2005

Author(s)

Dylan Williams, Paul D. Hale, Tracy S. Clement

We develop a method for mismatch-correcting temporal waveforms measured with a high-speed electro-optic sampling system. The new calibration characterizes the...

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