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Displaying 176 - 200 of 1898

NIST IR 7477, Revision II, MINEX II Performance of Fingerprint Match-on-Card Algorithms - Phase IV Report

April 5, 2011
Author(s)
Patrick J. Grother, Wayne J. Salamon, Craig I. Watson, Michael D. Indovina, Patricia A. Flanagan
… The MINEX II trials have been conducted to evaluate the accuracy and … factor. This document is the third publication of MINEX II results. The prior two releases1, were published on … NIST IR 7477, Revision II, MINEX II Performance of Fingerprint Match-on-Card Algorithms - …

Pressure-induced volume-collapsed tetragonal phase of CaFe 2 As 2 as seen via neutron scattering

November 24, 2008
Author(s)
A. Kreyssig, Mark Green, Y. Lee, G. D. Samolyuk, Pawel Zajdel, Jeffrey Lynn, S. L. Bud'ko, M. S. Torikachvili, N. Ni, S. Nandi, Juscelino Leao, Sarah Poulton, D. N. Argyriou, B. N. Harmon, R. J. McQueeny, P. C. Canfield, A. I. Goldman
… Recent investigations of the superconducting iron-arsenide families have highlighted the role of pressure, … magnetic order, structural phase transition, pressure, iron-based superconductor …

Friedel-like Oscillations from Interstitial Iron in Superconducting Fe 1+y Te 0.62 Se 0.38

March 7, 2012
Author(s)
V. Thampy, J. Kang, Jose Rodriguez Rivera, W. Bao, A. T. Savici, J. Hu, T. J. Liu, B. Qian, D. Fobes, Z. Q. Mao, C. B. Fu, Wangchun Chen, Q. Ye, Ross Erwin, Thomas R. Gentile, Z. Tesanovic, Collin L. Broholm
… superconductor, pnictide, Friedel-oscillation, interstitial-iron … Friedel-like Oscillations from Interstitial Iron in Superconducting Fe 1+y Te 0.62 Se 0.38 …

Atomic structural evolution during the reduction of a-Fe2O3 nanowires

June 20, 2016
Author(s)
Wenhui Zhu, Jonathan P. Winterstein, Itai Maimon, Qiyue Yin, Lu Yuan, Aleksey N. Kolmogorov, Renu Sharma, Guangwen Zhou
… and the associated transformation pathways for different iron oxides. The reduction commences with the generation of … Iron oxide nanowires, redox reaction, Transmission electron …

Efficient Simulation of Secondary Fluorescence via NIST DTSA-II Monte Carlo

March 17, 2017
Author(s)
Nicholas Ritchie
… fluorescence - PENEPMA [Llovet, 2006] and NIST DTSA-II (discussed herein). These two models share many physical … interactions with matter. On the other hand, NIST DTSA-II was designed exclusively for simulation of … lead to different implementation decisions. NIST DTSA-II makes certain computational optimizations that aren't …

Gradual Release of Strongly-Bound Nitric Oxide from Fe 2 (NO) 2 (dobdc)

February 24, 2015
Author(s)
Eric D. Bloch, Wendy L. Queen, Sachin Chavan, Paul S. Wheatley, Joseph M. Zadrozny, Russell E. Morris, Craig Brown, Carlo Lamberti, Silvia Bordiga, Jeffrey R. Long
… An iron-based metal-organic framework featuring … %, corresponding to the adsorption of one NO molecule per iron center. Infrared, UV-vis, and Mossbauer spectroscopies, … binding is a result of electron transfer from the Fe II site to form Fe III -NO-adducts. Consistent with these …

Viscosity and Density of CuO Nanolubricant

June 23, 2009
Author(s)
Mark A. Kedzierski
… measurements of a synthetic polyolester based copper (II) oxide (CuO) nanoparticle dispersion (nanolubricant) at … additives, boiling, copper (II) oxide, nanotechnology, viscosity, density, lubricant, …

Large T1 contrast enhancement using superparamagnetic nanoparticles in ultra-low field MRI

June 5, 2018
Author(s)
Xiaolu Yin, Stephen E. Russek, Gary Zabow, Fan Sun, Jeotikanta Mohapatra, Kathryn E. Keenan, Michael A. Boss, Hao Zeng, Sy-Hwang Liou, John M. Moreland
… Superparamagnetic iron oxide nanoparticles (SPIONs) are widely investigated and … advantages of enhanced signal, shorter imaging times, and iron-oxide based nontoxic biocompatible agents. This approach … ultra-low field MRI, MRI contrast agents, Superparamagnetic iron oxide nanoparticles …

Mixture Proportioning Options for Improving High Volume Fly Ash Concretes

September 1, 2010
Author(s)
Dale P. Bentz, Chiara F. Ferraris, Max A. Peltz, John A. Winpigler
… of internal curing, and the addition of either calcium hydroxide or a rapid set cement to the binder. Switching from a Type II/V to a Type III cement enhanced one-day compressive … powder additions of either a rapid set cement or calcium hydroxide were found to be effective in reducing this …

Temperature-Induced Structural Changes in Putidaredoxin: A Circular Dichroism and UV-VIS Absorption Study

June 1, 2004
Author(s)
Vytautas Reipa, Marcia J. Holden, M P. Mayhew, V L. Vilker
… Putidaredoxin (Pdx) is an 11,400 Da iron-sulfur protein that sequentially transfers two electrons … to suggest that disrupting hydrogen bonding between iron ligating cysteines 45, 39 and residues threonine 47, … circular dichroism, formal potential, hydrogen bonding, iron-surfur proteins, Putidaredoxin, UV-VIS spectroscopy …

Extended Analysis of the Spectrum of Singly Ionized Chromium (Cr II)

July 23, 2014
Author(s)
Craig J. Sansonetti, Gillian Nave
… of the spectrum of singly-ionized chromium (Cr II) in the region 2850 Angstrom to 37900 Angstrom with the … We present a comprehensive list of more than 5300 Cr II lines classified as transitions among 456 even and 457 odd … Analysis of the Spectrum of Singly Ionized Chromium (Cr II) …

Direct Observation of Magnon-Phonon Coupling in Yttrium Iron Garnet

September 27, 2017
Author(s)
Haoran Man, Zhong Shi, Guangyong Xu, Yadong Xe, Xi Chen, Sean Sullivan, Jianshi Zhou, Ke Xia, Jing Shi, Pengcheng Dai
… The magnetic insulator Yttrium Iron Garnet (YIG) with a ferrimagnetic transition temperature … Direct Observation of Magnon-Phonon Coupling in Yttrium Iron Garnet …

Transactive Energy Challenge Phase II Scenario

October 23, 2018
Author(s)
David G. Holmberg, Martin J. Burns, Steven T. Bushby, Avi M. Gopstein
… The TE Challenge Phase II Scenario was developed in a multi-step process in … Transactive Energy Challenge Phase II Scenario …

Calibration of thin-film platinum sensors for use in the JILA Sr II Clock

March 29, 2015
Author(s)
Weston L. Tew, Travis L. Nicholson, Ross B. Hutson
… purposes of determining temperatures inside the JILA Sr II Optical Lattice Clock vacuum chamber. The calibration … the calibrations and correction equations to the Sr II chamber. … of thin-film platinum sensors for use in the JILA Sr II Clock …

Potential Energy Surface Database of Group II Dimer Molecules

December 1, 2003
Author(s)
Svetlana A. Kotochigova, Paul S. Julienne
… the feasibility of using laser cooled and trapped Group II atomic species (Mg, Ca, Sr, and Ba) and Yb for … Potential Energy Surface Database of Group II Dimer Molecules …
Displaying 176 - 200 of 1898
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