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NIST Authors in Bold

Displaying 10876 - 10900 of 13225

A single photon transistor based on superconducting systems

May 12, 2014
Author(s)
Marco Manzoni, Florentin Reiter, Jacob Taylor, Anders Sorensen
… In analogy with electronic transistors, a single photon … photons [1, 2]. Such devices would represent a milestone in our ability to control light, but their realization is … single photon transistor based on existing superconducting technology. The resulting devices can be directly employed to …

Roles of Nanofiber Structure and Chemistry in Directing Stem Cell Morphology, Differentiation and Gene Expression

April 19, 2014
Author(s)
Sumona Sarkar, Bryan A. Baker, Desu Chen, Wolfgang Losert, Carl G. Simon Jr., Joy P. Dunkers
… Nanofiber technology has emerged as a promising tool to recapitulate … medicine strategies. Cell-material interactions in the nanofiber system are largely dependent on nanofiber … as well as cell type and culture condition. Therefore, in order to understand the mechanisms underlying …

Ellipsometric characterization of advance properties in conjugated polymer films

April 16, 2014
Author(s)
Lee J. Richter, Mariano C. Quiles
… plastics combined with their potential as the active layer in advanced electronic, optoelectronic and energy harvesting … structured systems and we finish with the application of in-situ ellipsometry for the understanding of the kinetics … Ellipsometric characterization of advance properties in conjugated polymer films …

Power Supply Issues for Wireless Sensor Networks: A Review

March 1, 2014
Author(s)
Wenqi Guo, William M. Healy, Mengchu Zhou
… have enabled numerous embedded wireless applications in different areas such as military/battlefield, … dimension of a sensor node, the power supply embedded in it has to be very limited. Thus energy conservation … Furthermore, it offers readers a glimpse of applying new technology-driven WSNs with energy-harvesting techniques such …

Dynamical Arrest in Adhesive Hard-Sphere Dispersions Driven by Rigidity Percolation

December 6, 2013
Author(s)
Nestor E. Valadez-Perez, Yun Liu, Aaron P. R. Eberle, Norman J. Wagner, Ramon Castaneda-Priego
… One major goal in condensed matter physics is identifying the physical … Monte Carlo computer simulations of states identified in experiments, we demonstrate that adhesive hard-sphere … to an established mechanism leading to phase transitions in network-forming materials. Our findings connect the …

Chirality from interfacial spin-orbit coupling effects in magnetic bilayers

November 19, 2013
Author(s)
Kyoung-Whan Kim, Hyun-Woo Lee, Kyung Jin Lee, Mark D. Stiles
… space description. The latter reveals the frustration in magnetic ground state. In magnetic bilayers, these chiral effects lead to very … Chirality from interfacial spin-orbit coupling effects in magnetic bilayers …

DETERMINATION OF TRACE LEVEL CADMIUM IN SRM 3280 MULTIVITAMIN/MULTIELEMENT TABLETS VIA ISOTOPE DILUTION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY

November 15, 2013
Author(s)
Steven J. Christopher, R. Q. Thompson
… Cadmium was quantified at 80.15 ng/g ± 0.86 ng/g in NIST SRM 3280 Multivitamin/Multielement Tablets, using … at 11.1 mg/kg ± 0.9 mg/kg and 70.7 mg/kg ± 4.5 mg/kg in the vitamin matrix. This allowed for measurement of … isotope ratios using both quadrupole collision cell technology inductively coupled plasma mass spectrometry …

Improvement of Quality in Publication of Experimental Thermophysical Property Data: Challenges, Assessment Tools, Global Implementation, and Online Support

September 6, 2013
Author(s)
Robert D. Chirico, Michael D. Frenkel, Joe W. Magee, Vladimir Diky, Chris D. Muzny, Andrei F. Kazakov, Kenneth G. Kroenlein, Ilmutdin M. Abdulagatov, William E. Acree, Jr., Joan F. Brennecke, Paul L. Brown, Peter T. Cummings, Theodoor W. de Loos, Daniel G. Friend, Anthony R. Goodwin, Lee D. Hansen, William M. Haynes, Nobuyoshi Koga, Andreas Mandelis, K N. Marsh, Paul M. Mathias, Clare McCabe, O'Connell J. P., Agilio Padua, Vicente Rives, Christoph Schick, Martin P. Trusler, Sergey Vyazovkin, Ron D. Weir, Jiangtao Wu
… between the U. S. National Institute of Standards and Technology (NIST) and five major journals in the field of thermophysical and thermochemical properties … is the efficient validation of experimental data in advance of acceptance for publication. A variety of …

NIST Micronutrients Measurement Quality Assurance Program Winter and Summer 2000 Comparability Studies: Results for Round Robins XLVII and XLVIII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 13 Ascorbic Acid in Human Serum

August 7, 2013
Author(s)
David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas, Sam A. Margolis
… The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality … measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes the design … 1) Round Robin XLVII Fat-Soluble Vitamins and Carotenoids in Human Serum, 2) Round Robin XLVIII Fat-Soluble Vitamins …

NIST Cloud Computing Standards Roadmap

July 22, 2013
Author(s)
Annie W. Sokol, Michael D. Hogan
… by leading efforts to develop standards and guidelines in close consultation and collaboration with standards … are key elements required to ensure a level playing field in the global marketplace. The NIST Cloud Computing Standards …

Report on the Metrics and Standards for Software Testing (MaSST) Workshop 2012

April 22, 2013
Author(s)
Paul E. Black, Elizabeth N. Fong
… (SERE) 2012 at National Institute of Standards and Technology, Gaithersburg, Maryland. The main goal of MaSST … (1) understand the state of the art and state of practice in software testing, (2) map work needed for improved methods … addressed software testing standards, best practices in testing, testing techniques, such as fuzzing, model-based, …

The SIM time scale

April 20, 2013
Author(s)
Michael A. Lombardi, J. Mauricio Lopez-Romero, Nelida Diaz-Munoz, E. de Carlos-Lopez
… Time measurement is of great importance for science, technology and commerce. Among the seven base units of the … with the smallest uncertainty, currently reaching parts in 10 16 . Keeping track of the continuous accumulation of … SIMT is generated from automated comparisons of clocks in North, Central, and South America, and is believed to be …

Third-Round Report of the SHA-3 Cryptographic Hash Algorithm Competition

November 15, 2012
Author(s)
Shu-jen H. Chang, Ray A. Perlner, William E. Burr, Meltem Sonmez Turan, John M. Kelsey, Souradyuti Paul, Lawrence E. Bassham
… The National Institute of Standards and Technology (NIST) opened a public competition on November 2, … - SHA-3, which will augment the hash algorithms specified in the Federal Information Processing Standard (FIPS) 180-4, … Standard. The competition was NIST's response to advances in the cryptanalysis of hash algorithms. NIST received …

Extending single-photon optimized superconducting transition edge sensors beyond the single-photon counting regime

October 2, 2012
Author(s)
Thomas Gerrits, Brice R. Calkins, Nathan A. Tomlin, Adriana E. Lita, Alan L. Migdall, Sae Woo Nam, Richard P. Mirin
… sensors (TES) are the cutting-edge enabling technology for high quantum efficiency photon counting when … with the goal of better uncertainties. An initial step in this direction would be to explore how far existing … it functions as a microcalorimeter and is therefore able, in principle, to measure optical powers from the …

On the Contribution of Bulk Defects on Charge Pumping Current

October 1, 2012
Author(s)
Jason T. Ryan, Richard G. Southwick, Jason P. Campbell, Kin P. Cheung, John S. Suehle
… the spatial and energetic distribution of defect centers in advanced high-k gate stacks. However, conflicting … contributes to the charge pumping current. In this study, we show, experimentally using two independent … defects depends heavily upon the specific device geometry/technology, the minority carrier lifetime, and FD-CP’s …

Improving Optical Measurement Uncertainty with Combined Multitool Metrology Using a Bayesian Approach

August 30, 2012
Author(s)
Nien F. Zhang, Richard M. Silver, Hui Zhou, Bryan M. Barnes
… technologies for dimensional metrology of features 22 nm in critical dimension and smaller. When modeling optical … parameter space. A nonlinear regression routine described in this paper is then used to identify an optimum set of … and model inaccuracy all lead to measurement uncertainty in the fitting process for optical critical dimension …

Detailed Spectroscopy of the Cs2 a3Sigma+u State and Implications for Measurements Sensitive to Variation of the Electron/Proton Mass Ratio

August 21, 2012
Author(s)
S Sainis, J. M. Sage, D DeMille, Eite Tiesinga, Svetlana Kotochigova
… We present spectroscopic data on moderately bound levels in the Cs2 a3Sigma+ u state. The data have sufficient … + u and coupled X1Sigma+ g states. The analysis focuses in particular on nearly degenerate pairs of a and X state … that both types of transitions are feasible with current technology and could give complementary information. …
Displaying 10876 - 10900 of 13225
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