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NIST Authors in Bold

Displaying 1001 - 1025 of 1184

Development of NbN THz HEB Mixer Devices and Films

October 12, 2021
Author(s)
Eyal Gerecht, V. A. Bhupathiraju, John Nicholson, Dazhen Gu, Yan Zhuang, Fernando R. Morales, Xin Zhao, Ric Zannoni, Sigfrid Yngvesson
Until recently, the thin-film NbN samples used by most PHEB research groups across the world have been produced in Moscow(MSPU). We have developed a process for fabricating thin NbN films at the National Institute of Standards and Technology (NIST) in

Neutron Spin Rotation Measurements

April 15, 2021
Author(s)
Jeffrey S. Nico, Shannon Hoogerheide, Hans Pieter Mumm, Murad Sarsour, J Amadio, Eamon Anderson, Libertad Barron-Palos, Bret Crawford, Chris Crawford, D. Esposito, Walter Fox, I Francis, J Fry, Chris Haddock, Adam Holley, Kirill Korsak, J Lieers, S Magers, M. Maldonado-Velazquez, D Mayorov, T Okudaira, C Paudel, S Santra, H.M. Shimizu, William M. Snow, A. Sprow, K. Steen, H E. Swanson, John Vanderwerp, P. A. Yergeau
… set by this measurement on the rotation angle, dφ/dz = [+1.7 ± 9.1 (stat.) ± 1.4 (sys.)] × 10−7 rad/m, is limited by statistical uncertainties. The NSR …

X-Ray Metrology of Nanowire/ Nanosheet FETs for Advanced Technology Nodes

March 30, 2020
Author(s)
Madhulika S. Korde, Regis J. Kline, Daniel Sunday, Nick Keller, Subhadeep Kal, Cheryl Alix, Aelen Mosden, Alain C. Diebold
The three-dimensional architectures for field effect transistors (FETs) with vertical stacking of Gate-all-Around Nanowires provide a pathway to increased device density and superior electrical performance. However, the transition from research into

Experimental and numerical study of multi-phase medium-Mn TWIP-TRIP steel: influences of strain rate and phase constituents

September 15, 2019
Author(s)
William E. Luecke, Y. Liu, Jake Benzing, X. Zhang, A. Dutta, D. Ponge, C. Oksay, D. Raabe, J.E. Wittig
The present work investigates the room temperature tensile properties of a Fe-12Mn-3Al-0.05C (weight %) twinning- and transformation-induced plasticity (TWIP-TRIP) steel from quasi-static to low-dynamic strain rates ( ̇ = 10-4 /s to  ̇ = 102 /s). The

Progress Towards Accurate Monitoring of Flue Gas Emissions

May 16, 2018
Author(s)
Aaron Johnson, Iosif Isaakovich Shinder, Michael R. Moldover, Joey Boyd, James Filla
… uncertainty (95 % confidence level) in flow velocity of 0.7 %. Using the SMSS, we assessed S-probe-based RATAs and both …

Characterizing Gas-Collection Volumes with Acoustic and Microwave Resonances

March 27, 2018
Author(s)
Jodie Gail Pope, Keith A. Gillis, Michael R. Moldover, J B. Mehl, Eric Harman
… a 1.8 m3, nearly-spherical, steel shell at pressures up to 7 MPa for use as a gas flow standard. For pressure, volume, … raising the nitrogen pressure in the shell from 0.1 MPa to 7.0 MPa in 45 minutes, the top of the shell was 20 C warmer …

Process improvements in the production of silicon immersion gratings

June 26, 2016
Author(s)
Cynthia Brooks, Benjamin Kidder, Michelle Grigas, Daniel Jaffe, Ulf Griesmann, Daniel Wilson, Richard Muller
We have explored a number of lithographic techniques and improvements to produce the resist lines that then define the grating groove edges of silicon immersion gratings. In addition to our lithographic process using contact printing with photomasks, which

UTSA-74: A MOF-74 Isomer with Two Accessible Binding Sites per Metal Center for Highly Selective Gas Separation

May 4, 2016
Author(s)
Feng Luo, Changsheng Yan, Lilong Dang, Rajamani Krishna, Wei Zhou, Hui Wu, Xinglong Dong, Yu Han, Tong-Liang Hu, Michael O'Keeffe, Lingling Wang, Mingbiao Luo, Rui-Biao Lin, Banglin Chen
A new metal-organic framework Zn 2(H 2O)(dobdc)¿0.5(H 2O) (UTSA-74, H 4dobdc=2,5-dioxido-1,4- benzenedicarboxylic acid), Zn-MOF-74/CPO-27-Zn isomer, has been synthesized and structurally characterized. It has a novel four coordinated fgl topology with one

Laser-induced particle adsorption on atomically thin MoS2

May 3, 2016
Author(s)
Bien Cuong Tran Khac, Ki-Joon Jeon, Seung Tae Choi, Yong Soo Kim, Frank W. DelRio, Koo-Hyun Chung
Atomically thin molybdenum disulfide (MoS2) shows great potential for use in nano-devices due to its remarkable electronic, optoelectronic, and mechanical properties. These material properties are often dependent on the thickness or the number of layers

Role of Elastic Strain on Electrocatalysis of Oxygen Reduction Reaction on Pt

July 23, 2015
Author(s)
Gery R. Stafford, Vijay Sethuraman, Deepa Vairavapandian, Manon C. Lafouresse, Tuhina Maark, Naba Karan, Shouheng Sun, Ugo Bertocci, Andrew Peterson, Pradeep Guduru
… de-alloying via successive voltammetric sweeps between -0.05 and 1.15 V vs. standard hydrogen electrode, compressive …

The impact of current CH4 and N2O atmospheric loss process uncertainties on calculated ozone abundances and trends

May 29, 2015
Author(s)
Vladimir L. Orkin, Eric L. Fleming, Christian George, Dwayne E. Heard, Charles H. Jackman, Michael J. Kurylo , Abdelwahid Mellouki , J B. Burkholder
The atmospheric loss processes of N2O and CH4, their estimated uncertainties, lifetimes, and impacts on ozone abundance and long-term trends are examined using atmospheric model calculations and updated kinetic and photochemical parameters and uncertainty

High-Relaxivity Superparamagnetic Iron Oxide Nanoworms with Decreased Immune Recognition and Long-Circulating Properties

November 24, 2014
Author(s)
Stephen E. Russek, Guankui Wang, Swetha Inturi, Natalie J. Serkova, Sergey Merkulov, Keith McCrae, Nirmal K. Banda, Dmitri Simberg
One of the core issues of nanotechnology involves masking the foreignness of nanomaterials to enable in vivo longevity and long-term immune evasion. Dextran-coated superparamagnetic iron oxide nanoparticles are very effective magnetic resonance imaging

Tungsten L Transition Line Shapes and Energy Shifts Resulting from Ionization in Warm Dense Matter

April 18, 2013
Author(s)
Lawrence T. Hudson, John F. Seely, Bruce V. Weber, D. G. Phipps, Nino R. Pereira, D Mosher, K. Slabkowska, M. Polasik, J Rzadkiewicz, S Hansen, Uri Feldman, Joseph W. Schumer
High resolution spectra of the W L transitions in the energy range 8 keV to 12 keV from warm dense plasmas generated by the Naval Research Laboratory’s Gamble III pulsed power machine were recorded by a transmission-crystal x-ray spectrometer with ± 2 eV

Molecular Simulation Study of Anisotropic Wetting

March 10, 2010
Author(s)
Eric M. Grzelak, Vincent K. Shen, Jeffrey R. Errington
We study anisotropic wetting in systems governed by Lennard-Jones interactions. Molecular simulation is used to obtain the macroscopic contact angle a fluid adopts on face-centered-, body-centered-, and simple-cubic lattices with the (100), (110), or (111)

Development of secondary standards for radium-223

November 5, 2009
Author(s)
Denis E. Bergeron, Brian E. Zimmerman, Jeffrey T. Cessna
… use for clinical trials give average activity readings 5.7% to 8.7% higher than the NIST calibrated activity. The present …
Displaying 1001 - 1025 of 1184
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