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Journals

Reducing the Radiological and Nuclear ThreaStandards for Radiation and Nuclear Detection

December 31, 2007

Author(s)

Lisa R. Karam

A multi-year effort to develop standards for radiation and nuclear detection for homeland security, begun in early 2002, has led to a comprehensive support...

Developments in nano-oscillators based upon spin-transfer point-contact devices

December 31, 2007

Author(s)

Thomas J. Silva, William H. Rippard

We review the current status of research on microwave nano-oscillators that utilize spin transfer devices with point-contact geometry, with an emphasis on the...

Integrating Learning Into a Hierarchical Vehicle Control System

December 31, 2007

Author(s)

James S. Albus, Roger V. Bostelman, Tsai H. Hong, Tommy Chang, William P. Shackleford, Michael O. Shneier

The National Institute of Standards and Technology s (NIST) Intelligent Systems Division (ISD) is a participant in the Defense Advanced Research Projects Agency...

Spin-exchange Optical Pumping of 3He with Rb/K Mixtures and Pure K

December 31, 2007

Author(s)

Wangchun Chen, Thomas R. Gentile, S E. Babcock, T G. Walker

We have studied the efficiency of spin-exchange optical pumping (SEOP) in cells that contain either pure rubidium, mixtures of rubidium and potassium, or pure...

Equi-Axed Grain Formation in Electrodeposited Sn-Bi

December 29, 2007

Author(s)

E Sandnes, Maureen E. Williams, Mark D. Vaudin, Gery R. Stafford

Sn is widely used as a coating in the electronics industry because it provides excellent solderability, ductility, electrical conductivity and corrosion...

Undoped polythiophene FETs with field-effect mobility of 1 cm^2 V^-1 s^-1

December 29, 2007

Author(s)

Behrang Hamadani, Iain McCulloch, Martin Heeney, David J. Gundlach

We report on charge transport in organic field-effect transistors based on (2,5-bis(3-tetradecylthiophen-2-yl)thieno[3,2-b]thiophene) as the active polymer...

Altering the mechanical properties of Sn films by alloying with Bi: mimicking the effect of Pb to suppress whiskers

December 29, 2007

Author(s)

Nitin Jadhav, Maureen E. Williams, Fei Pei, Gery R. Stafford, Eric Chason

Stress is believed to be the main driving force for whisker formation in Sn coatings on Cu. This suggests that whiskering can be suppressed by promoting stress...

Probing the Dynamic Fluorescence Properties of Single Water-soluble Quantum Dots

December 28, 2007

Author(s)

J R. Krogmeier, Hyeong G. Kang, Matthew L. Clarke, Peter Yim

Toward Quantitative Fluorescence Measurements with Multicolor Flow Cytometry

December 28, 2007

Author(s)

Lili Wang, Adolfas Gaigalas, Gerald Marti, Fatima Abbasi, Robert A. Hoffman

A procedure is presented for calibrating the output of a multicolor flow cytometer in units of antibodies bound per cell (ABC). The procedure involves two steps...

'Ballistic' vs. 'Diffusive' Transport in Current-Induced Magnetization Switching

December 21, 2007

Author(s)

N Theodoropoulou, Abhishek Sharma, W Pratt, J. Bass, Mark D. Stiles, J Xiao

We test whether current-induced magnetization switching due to spin-transfer-torque in ferromagnetic/non-magnetic/ferromagnetic (F/N/F) trilayers changes...

Quantum state tomography of a fiber-based source of polarization-entangled photon pairs

December 20, 2007

Author(s)

Jingyun Fan, M D. Eisaman, Alan L. Migdall

We report an experimental demonstration of a bright highfidelity single-mode-optical-fiber source of polarization-entangled photon pairs. The source takes...

Biocompatibility of atomic layer deposited alumina thin films

December 17, 2007

Author(s)

Dudley Finch, Tammy L. Oreskovic, Krishna Ramadurai, Cari F. Herrmann, Steven George, Roop L. Mahajan

Presented in this paper is a study of the biocompatibility of a hydrophilic alumina thin film and a hydrophobic variation deposited on standard glass cover...

Characterizing crystalline polymorph transitions in HfO2 by extended x-ray absorption fine-structure spectroscopy

December 17, 2007

Author(s)

Patrick S. Lysaght, Joseph Woicik, M A. Sahiner, B -. Lee, Raj Jammy

Imaging the interface of epitaxial graphene with silicon carbide via scanning tunneling microscopy

December 14, 2007

Author(s)

Gregory M. Rutter, N Guisinger, Jason Crain, Emily Jarvis, Mark D. Stiles, T Li, P First, Joseph A. Stroscio

The potential for electronics based on graphene, a single layer of sp2-bonded carbon atoms, rests on the ability to fabricate graphene into useful devices...

Simulation of the Impact of Commercial Building Envelope Airtightness on Building Energy Utilization

December 14, 2007

Author(s)

Steven J. Emmerich, Timothy P. McDowell, Wagdy Anis

This paper presents a simulation study of the energy impact and cost-effectiveness of improving envelope airtightness in low-rise US commercial buildings...

Do Plastic Zones Form at Crack Tips in Silicate Glasses?

December 13, 2007

Author(s)

Jose Lopez-Cepero, Sheldon M. Wiederhorn, Theo Fett, Jean-Pierre Guin

In a number of recent studies, the claim has been made that silicate glasses fracture by the formation, growth and coalescence of cavities, in the same way that...

Submicrometer photoresponse mapping of nanowire superconducting single-photon detectors

December 13, 2007

Author(s)

Robert Hadfield, Paul A. Dalgarno, John A. O'Connor, Euan Ramsay, Richard Warburton, Eric Gansen, Burm Baek, Martin Stevens, Richard Mirin, Sae Woo Nam

We report on the photoresponse mapping of nanowire superconducting single-photon detectors using a focal spot significantly smaller than the device area (10X10...

Characterization of frequency noise on a broadband infrared frequency comb using optical heterodyne techniques

December 12, 2007

Author(s)

K Kim, Jeffrey W. Nicholson, M. Yan, J. C. Knight, Nathan R. Newbury, Scott A. Diddams

We measure the frequency noise across a Cr:forsterite in- frared frequency comb through the optical heterodyne beat of different comb teeth against stable...

RBAC Standard Rationale: Comments on "A Critique of the ANSI Standard on Role Based Access Control"

December 12, 2007

Author(s)

David F. Ferraiolo, David R. Kuhn, R. Sandhu

[This is a response to comments on INCITS Standard 359-2004, Role Based Access Control. For original paper see Ninghui Li et al., IEEE Security & Privacy, vol...

Characterization of frequency noise on a broadband infrared frequency comb using optical heterodyne techniques

December 12, 2007

Author(s)

K. Kim, Jeffrey W. Nicholson, M. Yan, J. C. Knight, Nathan R. Newbury, Scott Diddams

We measure the frequency noise across a Cr:forsterite infrared frequency comb through the optical heterodyne beat of different comb teeth against stable...

Direct measurement of the spatial extent of the in situ developed latent image by neutron reflectivity

December 11, 2007

Author(s)

Vivek M. Prabhu, B D. Vogt, Shuhui Kang, Eric K. Lin, Sushil K. Satija

The spatial distribution of polymer photoresist and deuterium labeled base developer highlights a fraction of the line edge that swells but does not dissolve...

Improved Method for Calibrating a Stokes Polarimeter

December 10, 2007

Author(s)

Bruno Boulbry, J C. Ramella-Roman, Thomas A. Germer

We present a method for calibrating polarimeters that uses a set of well-characterized reference polarizations and makes no assumptions about the optics...

Uniaxial Crushing of Sandwich Plates Under Air Blast: Influence of Mass Distribution

December 8, 2007

Author(s)

Joseph A. Main, George A. Gazonas

Motivated by recent efforts to mitigate blast loading using energy-absorbing materials, this paper investigates the uniaxial crushing of cellular sandwich...

In Situ Stress Measurements During the Electrochemical Adsorption/Desorption of Self-Assembled Monolayers.

December 8, 2007

Author(s)

Christopher D. Zangmeister, Ugo Bertocci, Carlos R. Beauchamp, Gery R. Stafford

Uncertainty in the nose-to-nose sampler calibration method due to assertion that the generator and receiver functions are identical

December 7, 2007

Author(s)

Nicholas Paulter, Donald R. Larson

The nose-to-nose (ntn) sampler calibration method can only be used for particular sampler structures and, for these structures, provides a technique for...

Fabrication and Characterization of Patterned Single-Crystal Silicon Nanolines

December 7, 2007

Author(s)

Bin Li, Min K. Kang, Kuan Lu, Rui Huang, Paul S. Ho, Richard A. Allen, Michael W. Cresswell

This letter demonstrates a method to fabricate single-crystal Si nanolines, with a rectangular cross section and atomically flat sidewalls. The high quality of...

New Resources for the Forensic Genetics Community Available on the NIST STRBase Website

December 7, 2007

Author(s)

John M. Butler

Epitope Selection of Monoclonal Antibodies for Interleukin-4 Quantification Using Suspension Arrays and Forward-Phase Protein Microarrays

December 6, 2007

Author(s)

Lili Wang, Kenneth D. Cole, Hua-Jun He, Alexander W. Peterson, Adolfas K. Gaigalas, Y Zong

A recombinant mouse interleukin-4 (IL-4) and three different purified rat anti-mouse IL-4 monoclonal antibodies (Mab) with different epitopes were employed as a...

Experimental Demonstration of an Active Quantum Key Distribution Network with Over Gbps Clock Synchronization

December 4, 2007

Author(s)

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

We demonstrate a three-node QKD network that allows multiple users to share secure keys. This QKD network operates on the 850 nm and 1550 nm wavelengths at 1.25...

Characterization of Spatial Heterogenieties in Detector Grade CdZnTe

December 4, 2007

Author(s)

Martine Duff, Douglas Hunter, Arnold Burger, Michael Groza, V Buliga, J Bradley, G Graham, Z Dai, N Teslich, David R. Black, H E. Burdette, A Lanzirotti

Synthetic Cd1-xZnxTe or CZT crystals are highly suitable for the room temperature-based spectroscopy of gamma radiation. Structural/morphological...

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