Journals

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...

Finite-temperature modeling of nanoscale spin-transfer oscillators

March 31, 2005

Author(s)

Stephen E. Russek, Shehzaad F. Kaka, William Rippard, Matthew Pufall, Thomas J. Silva

Magnetization dynamics induced by spin-polarized currents in magnetic nanodevices have been numerically simulated using a single-domain model proposed by...

Thermodynamic Properties of Diphenylmethane

March 30, 2005

Author(s)

Robert D. Chirico, William Steele

Measurements leading to the calculation of the standard thermodynamic properties for gaseous diphenylmethane (Chemical Abstracts registry number [101-81-5]) are...

An Overview of the BEB Method for Electron-Impact Ionization of Atoms and Molecules

March 25, 2005

Author(s)

Philip M. Stone, Yong Sik Kim

An accurate and simple method for the calculation of electron impact ionization cross sections of atoms and molecules was developed by Kim and Rudd in 1994...

Surface photovoltage spectroscopy of minority carrier diffusion lengths in undoped and Si-doped GaN epitaxial films

March 24, 2005

Author(s)

Seong-Eun Park, Joseph Kopanski, Youn-Seon Kang, Larry Robins

Undoped and Si-doped GaN epitaxial films have been grown on sapphire substrates by metal-organic chemical vapor deposition. Variable angle spectroscopic...

The disaggregated technology production function: A new model of university and corporate research

March 23, 2005

Author(s)

Gregory C. Tassey

Technology and the process that produces it, research and development (R&D), are typically characterized as homogeneous entities. In reality, the typical...

Challenges in Metrology for the Semiconductor Industry

March 21, 2005

Author(s)

Stephen Knight, Joaquin (. Martinez

Leading edge Ultra Large Scale Integrated Circuit manufacture is now well into the realm of Nanoelectronics, with some critical dimensions below 40 nm. The...

Propagation of Uncertainties in Measurements Using Structural Inference

March 21, 2005

Author(s)

Hariharan K. Iyer, Chih-Ming Wang

The ISO Guide to the Expression of Uncertainty in Measurement (GUM) recommends the use of a first-order Taylor series expansion for propagating errors and...

Purified Bacillus Anthracis Lethal Toxin Complex Formed In Vitro and During Infection Exhibits Functional and Biological Activity

March 18, 2005

Author(s)

Rekha Panchal, Kelly Halverson, Wilson Ribot, Douglas Lane, Tara Kenny, Teresa G. Abshire, John W. Ezzell, Timothy A. Hoover, Bradford Powell, Stephen Little, John J. Kasianowicz, Sina Bavari

Anthrax protective antigen (PA, 83 kDa), a pore-forming protein upon protease activation to 63 kDa (PA63), translocates lethal factor (LF) and edema factor (EF)...

Genotyping SNPs Using a UV Photocleavable Oligonucleotide in MALDI-TOF MS

March 17, 2005

Author(s)

Peter M. Vallone, K Fahr, M Kostrzewa

Matrix assisted laser desorption time-of-flight mass spectrometry (MALDI-TOF MS) coupled with allele specific primer extension is a proven method for typing...

Thermal decomposition kinetics of RP-1 rocket propellant

March 16, 2005

Author(s)

Peter C. Andersen, Thomas J. Bruno

As part of a thermophysical and transport property measurement project, the global decomposition kinetics of the kerosene based rocket propellant, RP-1, was...

Control of Moisture at Buried Polymer / Alumina Interfaces Through Subtrate Surface Modification

March 15, 2005

Author(s)

B D. Vogt, Vivek M. Prabhu, Christopher L. Soles, Sushil K. Satija, Eric K. Lin, Wen-Li Wu

Moisture absorption in poly(4-tert-butoxycarbonyl-oxystyrene) (PBOCSt) films supported on Al2O3 sputter coated silicon wafers is measured using neutron and x...

Femtosecond laser-based synthesis of ultrastable microwave signals from optical frequency references

March 15, 2005

Author(s)

A Bartels, Scott Diddams, Christopher W. Oates, G Wilpers, James C. Bergquist, Windell Oskay, Leo W. Hollberg

Using femtosecond laser frequency combs to convert optical frequency references to the microwave domain, we demonstrate the synthesis of 10 GHz signals having...

Horizontal Growth and In Situ Assembly of Oriented ZnO Nanowires

March 13, 2005

Author(s)

Babak Nikoobakht, Chris A. Michaels, Mark D. Vaudin, Stephan J. Stranick

Dynamically Coated Capillaries for Enantioselective Separations by Capillary Electrophoresis

March 11, 2005

Author(s)

Karen W. Phinney, Lane C. Sander

Electrical Characterization of Al/AlOx/Molecule/Ti/Al Devices?

March 11, 2005

Author(s)

Curt A. Richter, D R. Stewart, D A. Ohlberg, R. S. Williams

We report experimental electrical characterization of Al/AlOx/Molecule/Ti/Al planar crossbar devices incorporating Langmuir-Blodgett organic monolayers of...

Ethylene Oxidation Mechanisms and Intermediates: In Situ Soft X-Ray Studies of Ethylene Oxidation on the Pt(111) Surface

March 10, 2005

Author(s)

D J. Burnett, A M. Gabelnick, J L. Gland, Daniel A. Fischer

In situ studies of ethylene oxidation on Pt(111) have been performed using a powerful combination of fluorescence yield soft x-ray methods for temperatures up...