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Search Publications

NIST Authors in Bold

Displaying 21401 - 21425 of 73697

Haplotype Data for 23 Y-chromosome markers in four U.S. population groups

May 1, 2013
Author(s)
Michael D. Coble, Carolyn R. Steffen, John M. Butler
The PowerPlex Y23 kit contains 23 Y-chromosomal loci including all 17 of the markers in the Yfiler Y-STR kit plus six additional markers: DYS481, DYS533, DYS549, DYS570, DYS576, and DYS643. We have typed 1032 unrelated population samples from four self

Influence of Pt spacer thickness on the domain nucleation in ultrathin Co/Pt/Co trilayers

May 1, 2013
Author(s)
Robert D. Shull, Yury Y. Iunin, Y. P. Kabanov, Valerian I. Nikitenko, O. V. Skryabina, C. L. Chien
The effect of varying the interlayer coupling between two 0.6 nm thick Co layers with perpendicular anisotropy on their magnetic ground state and the domain nucleation processes during a field reversal was studied. A surprising transition from out-of-plane

ITL Publishes Security and Privacy Controls for Federal Agencies

May 1, 2013
Author(s)
Elizabeth B. Lennon
This ITL Bulletin for May 2013 announces the publication of NIST Special Publication 800-53, Revision 4, Security and Privacy Controls for Federal Information Systems and Organizations. Developed by the Joint Task Force Transformation Initiative

Light-Wave Mixing with Quantum Gases

May 1, 2013
Author(s)
Lu Deng, Edward W. Hagley, R Q. Wang, Charles W. Clark
Nonlinear optics has come a long way since the laser. This article reviews recent progress in coherent light-matter wave mixing and introduces some new concepts that will reframe future research directions.

Nitro-Aromatic Explosive Sensing Using GaN Nanowire - Titania Nanocluster Hybrids

May 1, 2013
Author(s)
Albert Davydov, Geetha G. Aluri, Abhishek Motayed, Vladimir P. Oleshko, Kristine A. Bertness, Mulpuri V. Rao
A highly sensitive and selective detection of traces of nitro-aromatic explosive compounds by functionalizing gallium nitride (GaN) nanowires with anatase phase titania (titanium dioxide, TiO2) nanoclusters is demonstrated. The ultraviolet light photo

Random testing reveals excessive power in commercial laser pointers

May 1, 2013
Author(s)
Joshua A. Hadler, Edna L. Tobares, Marla L. Dowell
In random testing of 122 commercial laser pointers, we observed that 89.7 % of green pointers and 44.4 % of red pointers were not in compliance with the Code of Federal Regulations, producing laser power in excess of the Accessible Emission Limit at one or

Towards Demand Response Measurement and Verification Standards

May 1, 2013
Author(s)
David G. Holmberg, David Hardin, Ed Koch
The value and impact of demand response (DR) at grid-scale depends upon the widespread and active participation of a diverse customer base. The level of participation by customers is impacted by financial compensation and return-on-investment. The role of

Transmission EBSD in the Scanning Electron Microscope

May 1, 2013
Author(s)
Roy H. Geiss, Katherine P. Rice, Robert R. Keller
A new method for obtaining Kikuchi diffraction patterns from thin specimens in transmission has been developed for use in the SEM, scanning electron microscope, using a conventional electron backscatter diffraction (EBSD) detector and with a slight

Interfacial Coupling in Multiferroic/Ferromagnet Heterostructures

April 30, 2013
Author(s)
M. Trassin, J. D. Clarkson, Samuel R. Bowden, j. Liu, J. T. Heron, R. J. Paull, Elke Arenholz, Daniel T. Pierce, John Unguris
We report local probe investigations of the magnetic interaction between BiFeO3 films and a ferromagnetic Co0.9Fe0.1 layer. Within the constraints of intralayer exchange coupling in the Co0.9Fe0.1, the multiferroic imprint in the ferromagnet results in a

Large Stroke Electrostatic Comb Drive Actuators Enabled by a Novel Flexure Mechanism

April 30, 2013
Author(s)
Mohammad Olfatnia, Siddharth Sood, Jason J. Gorman, Shorya Awtar
This paper reports in-plane electrostatic combdrive actuators with stroke as large as 245 μm that is achieved by employing a novel Clamped Paired Double Parallelogram (C-DPDP) flexure mechanism. The C-DP-DP flexure mechanism design offers high bearing
Displaying 21401 - 21425 of 73697
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