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Search Publications

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Displaying 43151 - 43175 of 143796

Improved Indifferentiability Security Bound for the JH Mode

March 22, 2012
Author(s)
Dustin Moody, Souradyuti Paul, Daniel C. Smith-Tone
The JH hash function is one of the five fi nalists of the ongoing NIST SHA3 hash function competition. Despite several earlier attempts, and years of analysis, the indi fferentiability security bound of the JH mode has so far remained remarkably low, only

Infrared detector calibrations

March 22, 2012
Author(s)
George P. Eppeldauer, Vyacheslav B. Podobedov
An InSb working standard radiometer, first calibrated at NIST in 1999 against a cryogenic bolometer, was recently calibrated against a newly developed low-NEP pyroelectric transfer standard detector. The pyroelectric transfer standard, which can operate at

Performance Evaluation of Robotic Knowledge Representation (PERK)

March 22, 2012
Author(s)
Craig I. Schlenoff, Sebti Foufou, Stephen B. Balakirsky
In this paper, we explore some ways in which symbolic knowledge representations have been evaluated in the past and provide some thoughts on what should be considered when applying and evaluating these types of knowledge representations for real-time

Determining the Location and Cause of Unintentional Quantum Dots in a Nanowire

March 21, 2012
Author(s)
Ted C. Thorbeck, Neil M. Zimmerman
Unintentional quantum dots are a common problem for single electron devices in both silicon and carbon. To determine the cause of these dots it is helpful to know their size and location. Because each dot is capacitively coupled to multiple gates, we can

Effective multibody interactions of harmonically confined ultracold neutral bosons

March 21, 2012
Author(s)
Philip Johnson, W F. Flynn, D Blume, X Y. Yin, Eite Tiesinga
We use renormalized perturbation theory to calculate effective two-, three-, and four-body interactions for N neutral ultracold bosons in the ground state of an isotropic harmonic trap, assuming only two-body interactions modeled with a zero-range

Frequency-stabilized cavity ring-down spectroscopy

March 21, 2012
Author(s)
David A. Long, A. Cygan, Roger D. van Zee, Mitchio Okumura, C. E. Miller, D Lisak, Joseph T. Hodges
This Frontiers article describes frequency-stabilized cavity ring-down spectroscopy (FS-CRDS), an ultraprecise refinement of conventional cw-CRDS. We review the technique and highlight some recent studies which have utilized FS-CRDS to perform precision

Measuring domain sizes and compositional heterogeneities in P3HT-PCBM bulk heterojunction thin films with 1H spin diffusion NMR spectroscopy

March 21, 2012
Author(s)
Ryan C. Nieuwendaal, Hyun Wook Ro, David Germack, Regis J. Kline, Calvin Chan, Amit K. Agrawal, David J. Gundlach, David L. VanderHart, Dean M. DeLongchamp
In this manuscript we show that 1H spin diffusion NMR is a valuable method for estimating the domain sizes in thin films of a polymer-fullerene blend for bulk heterojunction (BHJ) photovoltaics. Variations in common BHJ film processing parameters have

Modeling Line Edge Roughness in Lamellar Block Copolymer Systems

March 21, 2012
Author(s)
Paul N. Patrone, Gregg M. Gallatin
Block copolymers offer an appealing alternative to current lithographic techniques with regard to fabrication of the next generation micro- processors. However, if copolymers are to be useful on an industrial manufacturing scale, they must meet or exceed

Stylus Tip-Size Effect on the Calibration of Periodic Roughness Specimens with Rectangular Profiles

March 21, 2012
Author(s)
Thomas B. Renegar, Johannes A. Soons, Balasubramanian Muralikrishnan, John S. Villarrubia, Xiaoyu A. Zheng, Theodore V. Vorburger, Jun-Feng Song
Stylus instruments are widely used for surface characterization. It is well known that the size and shape of the stylus tip affects the measured surface geometry and parameters. In most cases, increasing the tip size decreases the measured Ra value because

The MEMS 5-in-1 Reference Materials (RM 8096 and 8097)

March 21, 2012
Author(s)
Janet M. Cassard, Jon C. Geist, Michael Gaitan, David G. Seiler
The MEMS 5-in-1 Reference Material (RM) contains test structures for five standard test methods on one test chip, so companies can compare their in-house measurements taken on the RM with NIST measurements, thereby validating their use of the documentary

Assessment of Factors Affecting Fire Performance of Mattresses: A Review

March 20, 2012
Author(s)
Shonali Nazare, Rick D. Davis
An in-depth analysis of U.S. residential fire statistics shows that although the total number of fires and deaths due to mattress fires has dropped as a result of several regulatory approaches, the number of deaths per 1000 mattress/bedding fires has
Displaying 43151 - 43175 of 143796
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