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Journals

Low-Noise PPLN-based Single-Photon Detector

February 13, 2007

Author(s)

Hai Xu, Lijun Ma, Oliver T. Slattery, Xiao Tang

This paper describes the detection of single photons, which have been transmitted through standard fiber at the telecom wavelength of 1310 nm. Following...

120Hz Pulse Tube Cryocooler for Fast Cooldown to 50K

February 13, 2007

Author(s)

Srinivas Vanapalli, Michael A. Lewis, Zhihua Gan, Ray Radebaugh

A pulse tube cryocooler operating at 120 Hz with 3.5 MPa average pressure achieved a no-load temperature of about 49.9 K and a cooldown time to 80 K of 5.5...

Asymmetric Dielectric Trilayer Cantilever Probe for Calorimetric High-Frequency Field Imaging

February 12, 2007

Author(s)

Simone Lee, Thomas M. Wallis, John M. Moreland, Pavel Kabos, Y. C. Lee

Magnetic field imaging probes are developed in this work. Multi-material, MEMS-based cantilever probes were developed for high frequency magnetic field imaging...

Trilateral optical powermeter comparison between NIST, NMIJ/AIST, and METAS

February 10, 2007

Author(s)

Igor Vayshenker, John H. Lehman, David J. Livigni, Xiaoyu X. Li, Kuniaki Amemiya, Daiji Fukuda, Seiji Mukai, Shinji Kimura, Michiyuki Endo, Jacques Morel, Armin Gambon

We describe the results of a comparison of reference standards between three National Metrology Institutes: the National Institute of Standards and Technology...

Multidimensional Instrumentation Applied to Studies of Electrodeposition

February 9, 2007

Author(s)

Brian J. Polk, Felix Duvallet

Students of the experimental sciences have a need to learn how to interface multiple instruments to computers for the purpose of building effective data...

Characterization of Compositional Heterogeneity in Chemically Amplified Photoresist Polymer Thin Films with Infrared Spectroscopy

February 9, 2007

Author(s)

Shuhui Kang, B D. Vogt, Vivek Prabhu, Eric K. Lin, Wen-Li Wu, David L. VanderHart, Ashwin Rao, Karen Turnquest

We demonstrate a general approach to characterize compositional heterogeneity in polymer thin films using Fourier transform infrared (FTIR) spectroscopy...

Determination of the Scattering Length of the a3Sigma+ Potential of 87RbCs

February 8, 2007

Author(s)

Eite Tiesinga, M Anderlini, E Arimondo

We have determined the scattering length of the a3Sigma+ potential of 87RbCs based on experimental observations from the literature and the known value for the...

Molecular fingerprinting with spectrally-resolved modes of a femtosecond laser frequency comb

February 8, 2007

Author(s)

Scott A. Diddams, Leo W. Hollberg, Vela Mbele

The control of the broadband frequency comb1 emitted from a mode-locked femtosecond laser has permitted a wide range of scientific and technological...

Closed-Form Expressions for the Current Densities on the Ground Planes of Asymmetric Stripline Structures

February 7, 2007

Author(s)

Christopher L. Holloway

In this paper, closed-form expressions for the current density on the ground planes of an asymmetric stripline structure are derived. The derivation utilizes...

Infrared Spectroscopy and Photochemistry of NCCN⁺ and CNCN⁺ Trapped in Solid Neon

February 7, 2007

Author(s)

Marilyn E. Jacox, Warren E. Thompson

When a Ne:NCCN sample is codeposited at 4.3 K with neon atoms that have been excited in a microwave discharge, the infrared and near infrared spectra of the...

Mechanically Robust Spin-On Organosilicates Glasses for Nanoporous Applications

February 7, 2007

Author(s)

Hyun Wook Ro, K Char, Eun-Chae Jeon, H C. Kim, Dongil Kwon, Hae-Jeong Lee, J. H. Lee, Hee-Woo Rhee, Christopher L. Soles, Do Y. Yoon

An increasing number of technologies demand nanoporous materials with vastly improved physical, mechanical and thermal properties. This manuscript develops the...

Superfill in the Presence of Surface Diffusion.

February 6, 2007

Author(s)

Daniel Josell, Thomas P. Moffat, Daniel Wheeler

Superfilling When Adsorbed Accelerators Are Mobile

February 6, 2007

Author(s)

Daniel Josell, Thomas P. Moffat, Daniel Wheeler

Bottom-up superfill during electrodeposition that is used for industrial processing of damascene copper interconnects has also been demonstrated during...

The Infrared Spectroscopy of the Products of Ion-Molecule Reactions Trapped in the Solid Rare Gases

February 5, 2007

Author(s)

Marilyn E. Jacox

Studies of the infrared spectra of small molecular ions offer valuable information regarding the structures and chemical bonding properties of these species...

Characterization of fiber-generated entangled photon pairs with superconducting single-photon detectors

February 5, 2007

Author(s)

Chuang Liang, Fook L. Kim, Milja Medic, Prem Kumar, Robert Hadfield, Sae Woo Nam

We demonstrate the suitability of fiber-generated entangled photon pairs for practical quantum communications in the telecom band by measuring their properties...

Significant dependence of morphology and charge carrier mobility on substrate surface chemistry in high performance polythiophene semiconductor films

February 5, 2007

Author(s)

Regis J. Kline, Dean DeLongchamp, Daniel A. Fischer, Eric K. Lin, Martin Heeney, Iain McCulloch, Michael F. Toney

Field-Induced Formation of Linear, Mesoscopic Polymer Chains From Ferromagnetic Nanoparticles

February 2, 2007

Author(s)

Jason Benkoski, Steven Bowles, Bryan Korth, Ronald L. Jones, Jack F. Douglas, Alamgir Karim, Jeffrey Pyun

Polymer-coated ferromagnetic colloids are first assembled with an applied magnetic field and then permanently fixed into one-dimensional mesostructures using a...

Structure, spin-dynamics, and magnetic properties of annealed nanoscaled Fe layers on GaAs

February 2, 2007

Author(s)

Justin Shaw, Charles M. Falco

We performed a detailed study of the effect of annealing (at temperatures up to 300°C) on 0.2-3.0 nm thick epitaxial Fe layers deposited on GaAs(001). Using...

Photo-Assisted Tuning of Si Nano-Crystal Photoluminescence

February 2, 2007

Author(s)

Jonghoon Choi, Nam S. Wang, Vytas Reipa

Silicon is rather inefficient light emitter due to the indirect-band gap electronic structure, requiring a phonon to balance electron momentum during interband...

Uncertainty of a Frequency Comparision with Distributed Dead Time and Time Offset.

February 2, 2007

Author(s)

Dai Yu, Marc A. Weiss, Tom Parker

A general theory is presented to estimate the uncertainty of a frequency comparison in the presence of dead time or time offset in the measurement. The...

Cesium Primary Frequency References

February 1, 2007

Author(s)

Steven R. Jefferts, Thomas P. Heavner, Elizabeth A. Donley

Primary frequency standards with stated inaccuracies of δf/f ~ 10 15 or slightly better are in use today in several national timing laboratories. These...

Relative intensity correction of Raman spectrometers: NIST SRMs 2241 through 2243 for 785 nm, 532 nm, and 488 nm/514.5 nm excitation

February 1, 2007

Author(s)

Steven J. Choquette, E S. Etz, Wilbur S. Hurst, Douglas H. Blackburn, Stefan D. Leigh

Counter-Flow Gradient Electrofocusing

February 1, 2007

Author(s)

Jonathan G. Shackman, David J. Ross

Counter-flow gradient electrofocusing methods are methods whereby a combination of electrophoresis and a bulk solution counter-flow is used to accumulate or...

The effect of surface chemistry on the formation of thin films of native fibrillar collagen

February 1, 2007

Author(s)

John T. Elliott, John T. Woodward IV, A. Umarji, Y. Mei, Alessandro Tona

Spotlighting NIST Standard Reference Materials: New Solution Standard Reference Materials for Organic Constituents

February 1, 2007

Author(s)

Michele M. Schantz, Jeanice M. Brown Thomas, Dianne L. Poster, Lane C. Sander, Stephen A. Wise

NO ABSTRACT INCLUDED.

NIST Focuses Attention on Clinical Informatics and Healthcare IT Standards

February 1, 2007

Author(s)

Sharon J. Kemmerer

NIST has recently established an institutional membership with the Health Industy Business Communication Council (HIBCC) - the ANSI-accredited standards...

Data Exchange Strategy for Manufacturing Simulation of Shop Floor Information Systems

February 1, 2007

Author(s)

Yan Luo, Yung-Tsun T. Lee

Simulation is defined as the imitation of the operation of a system or real-world process over time, and in many cases, manufacturing provides one of the most...

Molecular Dynamics Calculations of the Viscosity of Xenon Gas

February 1, 2007

Author(s)

Raymond D. Mountain

The density variation of the viscosity of xenon gas is determined using molecular dynamics simulation with a semi-empirical pair potential fit to low density...

Temperature-Controlled Depth Profiling in Poly (methylmethacrylate) (PMMA) Using Cluster Secondary Ion Mass Spectrometry (SIMS) II. An Investigation of Sputter-Induced Topography, Chemical Damage and Depolymerization Effects

February 1, 2007

Author(s)

Christine M. Mahoney, Albert J. Fahey, John G. Gillen, Chang Xu, James Batteas

Secondary Ion Mass Spectrometry (SIMS) employing an SF polyatomic primary ion source was used to depth profile Poly(methyl methacrylate) (PMMA) at a series of...

Temperature-Controlled Depth Profiling in Poly(methylmethacrylate) (PMMA) Using Cluster Secondary Ion Mass Spectrometry (SIMS): I. Investigation of Depth Profile Characteristics

February 1, 2007

Author(s)

Christine M. Mahoney, Albert J. Fahey, John G. Gillen

Secondary Ion Mass Spectrometry (SIMS) employing an SF5+ polyatomic primary ion source was used to depth profile Poly(methyl methacrylate) (PMMA) at a series of...

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