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NIST Authors in Bold

Displaying 11376 - 11400 of 13225

Materials and Processes for CO2 Capture, Conversion and Sequestration

May 26, 2018
Author(s)
Winnie K. Wong-Ng, Lan Li, Lawrence P. Cook, Kevin Huang
… result of the symposium of the same title which took place in 2014 during the MS&T (Materials Science and Technology) Meeting and Exposition. The nine chapters were contributed by the speakers as well as other experts in the field. The nine chapters include (1) Carbon Capture in …

Burning Velocities of Marginally Flammable Refrigerant-Air Mixtures

May 1, 2018
Author(s)
Gregory T. Linteris
… been predicted to be large contributors to the increase in radiative forcing of the earth. Consequently, existing … their application. The burning velocities of interest are in the range of 1 cm/s to 10 cm/s, and hence are challenging … developed at the National Institute of Standards and Technology (NIST). …

Tunable Noncollinear Antiferromagnetic Resistive Memory through Oxide Superlattice Design

April 27, 2018
Author(s)
Jason D. Hoffman, Stephen M. Wu, Brian Kirby, Anand Bhattacharya
… of attention as a potential replacement for ferromagnets in spintronics devices due to their lack of stray magnetic … magnetization dynamics. Their development into a practical technology, however, has been hampered by the small number of … accomplished by stabilizing a non-collinear magnetic phase in LaNiO 3 /La 2/3 Sr 1/3 MnO 3 superlattices. The magnetic …

Mid-infrared frequency comb generation via cascaded quadratic nonlinearities in quasi-phase-matched waveguides

April 5, 2018
Author(s)
Abijith S. Kowligy, Alexander J. Lind, Daniel D. Hickstein, David R. Carlson, Henry R. Timmers, Nima Nader, Flavio Caldas da Cruz, Gabriel G. Ycas
… We demonstrate mid-infrared (MIR) frequency comb generation in periodically poled lithium niobate (PPLN) waveguides … mode-locked Er:fiber laser. The cascaded-c(2) nonlinearity in PPLN yields a nearly octave-spanning supercontinuum in the … in an integrated platform using commercial Er:fiber technology. Abstract: …

Optically Polarized He3

November 30, 2017
Author(s)
Thomas R. Gentile, P.J. Nacher, B Saam, T G. Walker
… This article reviews the physics and technology of producing large quantities fo highly spin- … the achievable polarization and polarizing rate. MEOP in high magnetic fields has like-wise significantly increased … the observation of a light-induced relaxation mechanism. In both methods the increased capabilities have led to more …

Chapter 11. Dopant profiling in semiconductor nanoelectronics

September 17, 2017
Author(s)
Thomas M. Wallis, Pavel Kabos
… micro- and nanoelectronics, the need for dopant profiling in semiconductors is particularly acute. This need has been underscored by the inclusion of dopant profiling in the International Technology Roadmap for Semiconductors: “Materials … Chapter 11. Dopant profiling in semiconductor nanoelectronics …

A Historical Review of U. S. Contributions to the Atomic Definition of the SI Second

June 1, 2017
Author(s)
Michael A. Lombardi
… year, into smaller parts. This permanently changed in 1967, when the SI second was redefined as the duration of … of Units (SI) second that was based on atomic transitions. In recognition of this anniversary, this paper provides a historical review of work conducted in the United States of America that contributed to the …

Progress towards total structure control in SWCNT populations

May 14, 2017
Author(s)
Jeffrey A. Fagan
… substantial distributions of SWCNT structures, including in the distribution of species ((n,m) chiralities) and … (i.e. the handedness of the lattice vector), as well as in their lengths, modifications to the pristine lattice, and … challenge, however total structure control is still a work in progress. In my lab we are demonstrating the power of the …

Solid Phase Extraction

March 8, 2017
Author(s)
Lane C. Sander
… Measurement Laboratory National Institute of Standards and Technology Gaithersburg, MD 20899 Solid phase extraction is a form of liquid chromatography used in processing samples to selectively isolate constituents of … are simpler than the original extracts, and may result in improved analytical results. This presentation will …

Experimental and statistical methods to evaluate antibacterial activity of a quaternary pyridinium salt on planktonic, biofilm-forming, and biofilm states

March 3, 2017
Author(s)
Daneli Lopez-Perez, Paula J. Baker, Adam L. Pintar, Jirun Sun, Nancy Lin, Sheng Lin-Gibson
… iodide (QPS-1), on Streptococcus mutans in the planktonic, biofilm-forming and biofilm cell states. … uncertainties for effective antimicrobial concentrations in multiple cell states, enabling statistical comparisons and …

Breaking of Galilean invariance in the hydrodynamic formulation of ferromagnetic thin films

January 6, 2017
Author(s)
Ezio Iacocca, Thomas J. Silva, Mark Hoefer
… Microwave magnetodynamics in ferromagnets are often studied in the limit of small-amplitude modes that modulate a … are included. The resulting equations are found to, in general, break Galilean invariance and a magnetic Mach … Breaking of Galilean invariance in the hydrodynamic formulation of ferromagnetic thin films …

Decoupling of a Neutron Interferometer from Temperature Gradients

December 16, 2016
Author(s)
Michael G. Huber, Muhammad D. Arif, P. Saggu, T. Mineeva, David Cory, Robert Haun, Ben Heacock, K Li, J. Nsofini, D. Sarenac, Chandra Shahi, V Skavysh, Mike Snow, S. Werner, A.R. Young, Dmitry Pushin
… are necessary to maintain the coherence requirements in a perfect crystal neutron interferometer which is … Collaboration and National Institute of Standards and Technology demonstrates the functionality of a neutron interferometer in vacuum and characterize the use of a compact vacuum …

AN ULTRA HIGH ACCURACY 1D LASER-BASED MICROMETER FOR DIAMETER MEASUREMENT

October 23, 2016
Author(s)
John R. Stoup
… Metrology Group at the National Institute of Standards and Technology (NIST) has developed an ultra-high accuracy laser … is an extended development of a design developed by NIST in the 1990’s and has been continuously improved since its … to address the limiting uncertainty components contained in the previous NIST 1D micrometer uncertainty budget. A …

NIST Mini-Kolsky Bar: Historical Review

October 16, 2016
Author(s)
Dick Rhorer, Steven P. Mates, Jae Hyun Kim
… Material Properties Technical Division of SEM and started in 2008. One of the novel techniques that we first learned … Bar was added to the National Institute of Standards and Technology (NIST) Kolsky Bar Lab based, in part, on the work presented at SEM conferences. A number …

Large Energy Product Enhancement in Perpendicularly Coupled MnBi/CoFe Magnetic Bilayers

August 29, 2016
Author(s)
T. R. Gao, L. Fang, S. Fackler, S. Maruyama, X. H. Zhang, L. L. Wang, T. Rana, P. Manchanda, A. Kashyap, K. Janicka, A. L. Wysocki, A. T. N'Diaye, E. Arenholz, Julie Borchers, Brian Kirby, Brian B. Maranville, K. W. Sun, M. J. Kramer, V. P. Antropov, D. D. Johnson, R. Skomski, J. Cui, I. Takeuchi
… applications. Here, we demonstrate substantial enhancement in the energy product of MnBi based magnets by forming robust … exchange coupling between MnBi and a thin Co layer in a unique perpendicular coupling configuration, which … Large Energy Product Enhancement in Perpendicularly Coupled MnBi/CoFe Magnetic Bilayers …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1989 Comparability Studies: Results for Round Robins XV, XVI, and XVII Fat-Soluble Vitamins and Carotenoids in Human Serum

August 29, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Willie E. May, Neal E. Craft
… The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality … that measure fat -soluble vitamins and carotenoids in human serum and plasma. This report describes the design … 1) Round Robin XV Fat-Soluble Vitamins and Carotenoids in Human Serum, 2) Round Robin XVI Fat-Soluble Vitamins and …

Evaluating the Initial Field Performance of HVAC-Cx for Air Handling Units

August 17, 2016
Author(s)
Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby
… systems. The purpose of the research effort described in this paper is to develop, test and demonstrate an … that detects common mechanical faults and control errors in air handing units (AHU’s). This paper presents the new … developed by the U.S. National Institute of Standards and Technology (NIST). It utilizes actual air-handling unit data …
Displaying 11376 - 11400 of 13225
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