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NIST Authors in Bold

Displaying 14601 - 14625 of 73697

Static and Time-Resolved Terahertz Measurements of Photoconductivity in Solution-Deposited Ruthenium Oxide Nanofilms

January 25, 2017
Author(s)
Brian Alberding, Paul A. Desario, Adam D. Dunkelberger, Debra R. Rolison, Jeffrey C. Owrutsky, Edwin J. Heilweil
Thin film Ruthenium Oxide (RuO2) is a promising alternative material as a conductive electrode in electronic applications because its rutile crystalline form is metallic and highly conductive. Herein, a previously established solution-deposition multi

Temperature dependence of electron density and electron-electron interactions in monolayer epitaxial graphene grown on SiC

January 25, 2017
Author(s)
Chieh W. Liu, Chiashain Chuang, Yanfei Yang, Randolph Elmquist, Yi-Ju Ho, Hsin Y. Lee, Chi-Te Liang
We report carrier density measurements and electron-electron (e-e) interactions in monolayer epitaxial graphene grown on SiC. The temperature (T)-independent carrier density determined from the Shubnikov-de Haas (SdH) oscillations clearly demonstrates that

Separation of Double-Wall Carbon Nanotubes by Electronic Type and Diameter

January 24, 2017
Author(s)
Jason K. Streit, Stephanie Lam, Yanmei Piao, Angela R. Hight Walker, Jeffrey A. Fagan, Ming Zheng
In this work, we introduce a new procedure for the efficient isolation and subsequent separation of double-wall carbon nanotubes (DWCNTs). A simplified rate zonal ultracentrifugation (RZU) process is first applied to obtain samples of highly enriched

Characteristics of Resistive Memory Read Fluctuations in Endurance Cycling

January 23, 2017
Author(s)
David M. Nminibapiel, Dmitry Veksler, Pragya R. Shrestha, Jihong Kim, Jason P. Campbell, Jason T. Ryan, Helmut Baumgart, Kin P. Cheung
We report on new fluctuation dynamics of the high resistance state of Hafnia-based RRAM devices after RESET. We observe that large amplitude fluctuations occur more frequently immediately after programming and their frequency of occurrence decays in the

Comprehensive atomic wavelengths, energy levels and hyperfine structure for singly-ionized iron-group elements

January 23, 2017
Author(s)
Gillian Nave, Craig J. Sansonetti, Keeley I. Townley-Smith, J C. Pickering, Florence Liggins, Anne P. Thorne, Christian Clear
We summarize recent work at the National Institute of Standards and Technology and Imperial College London on wavelengths, hyperfi ne structure, energy levels, and analysis of singly-ionized iron-group elements of astrophysical interest.

Examination of Compressed Air Foam (CAF) for Interior Fire Fighting

January 23, 2017
Author(s)
Craig G. Weinschenk, Daniel M. Madrzykowski, Keith Stakes, Joseph M. Willi
Experiments were conducted to investigate the capabilities and limitations of compressed air foam (CAF) relative to water when used for interior structural fire fighting. The key outcomes were to measure the gas cooling and fire suppression capabilities of

Imaging and Analysis of Encapsulated Objects through Self-Assembled Electron and Optically Transparent Graphene Oxide Membrane

January 23, 2017
Author(s)
Alexander Yulaev, Alexey Lipatov, Annie Xi Lu, Alexander Sinitskii, Leite Marina, Andrei Kolmakov
We demonstrate a technique for facile adhesion and encapsulation of micro- and nano objects on arbitrary substrates, stencils, and micro structured surfaces by ultrathin graphene oxide membranes via a simple drop casting of graphene oxide solution. A

Least Squares Moving-Window Spectral Analysis

January 20, 2017
Author(s)
Young J. Lee
Least squares regression is proposed as a moving-windows method for analysis of a series of spectra acquired as a function of external perturbation. The least squares moving-window (LSMW) method can be considered an extended form of the Savitzky–Golay

Magnetic Properties and Applications of Engineered Nanomaterials

January 20, 2017
Author(s)
Cindi L. Dennis
This chapter will review the fundamentals of nanomagnetism, including its origins, the different types, and their response at the nanoscale, followed by applications of nanomagnetics. Unfortunately, due to space constraints, this chapter cannot be

Examining the Copy and Paste Function in the Use of Electronic Health Records

January 19, 2017
Author(s)
Svetlana Z. Lowry, Mala Ramaiah, Sandra S. Prettyman, Debora Simmons, David Brick, Ellen Deutsch, Lorraine B. Possanza, Ollie B. Gray, Betty A. Levine, Kinsey Gimbel, Kyle Andrews
The National Institute of Standards and Technology (NIST) in collaboration with ECRI conducted a study titled “Examining the Copy and Paste Function in the Use of Electronic Health Records” which was intended to help fill the gap in understanding the

First Workshop on Video Analytics in Public Safety

January 19, 2017
Author(s)
John S. Garofolo, Simson L. Garfinkel, Reva B. Schwartz
The first Video Analytics in Public Safety (VAPS) Workshop was held on Monday, June 6, 2016, in San Diego, CA as a satellite workshop of the Public Safety Communications Research (PSCR) Broadband Stakeholder Meeting, which was held on June 7-9. The

Systemic Risks in the Cloud Computing Model: Complex Systems Perspective

January 19, 2017
Author(s)
Vladimir V. Marbukh
This paper reports on quantification and management of inherent systemic risk/performance tradeoff in the cloud computing model. We view Cloud as a Complex System and associate the systemic risks with a possibility of system phase transition to the

Timing Challenges in the Smart Grid

January 19, 2017
Author(s)
YaShian Li-Baboud, Cuong T. Nguyen, Marc A. Weiss, Dhananjay Anand, Allen R. Goldstein, Jason Allnutt, Bob Noseworthy, Ravi Subramaniam
Correct time and timing is one of the foundational elements in enabling the communication and orchestration of technologies for accurate and optimal wide area monitoring, protection and control in the power industry. NIST and IEEE-SA conducted a workshop

A microfabricated optically-pumped magnetic gradiometer

January 18, 2017
Author(s)
Abigail R. Perry, Sean P. Krzyzewski, John E. Kitching, S. Geller, Sheng D., Svenja A. Knappe
We report on the development of a microfabricated atomic magnetic gradiometer based on optical spectroscopy of alkali atoms in the vapor phase. The gradiometer, with a length of 60 mm and a cross section diameter of 12 mm, is made of two chip-scale atomic

Dramatically Reducing Software Vulnerabilities

January 18, 2017
Author(s)
Paul E. Black, Larry Feldman, Gregory A. Witte
This bulletin summarized the information presented in NISTIR 8151: Dramatically Reducing Software Vulnerabilities: Report to the White House Office of Science and Technology Policy. The publication starts by describing well known security risks and
Displaying 14601 - 14625 of 73697
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