U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 101 - 125 of 1455

Observation of iron oxide nanoparticle growth in magnetogels using magnetic resonance imaging

April 9, 2020
Author(s)
Samuel D. Oberdick, Stephen E. Russek, Megan E. Poorman, Gary Zabow
… can be used to visualize the spatiotemporal dynamics of iron oxide nanoparticle growth within a hydrogel network … gel, or magnetogel. During in situ coprecipitation, iron oxide nanoparticles nucleate and grow due to diffusion of a precipitating agent throughout an iron precursor loaded polymer network. The creation of iron …

Synthesis of Photoactive Magnetic Nanoparticles with Atomic Layer Deposition

March 8, 2010
Author(s)
Yun Zhou, David M. King, Jianhua Li, Kathryn S. Barrett, Ronald B. Goldfarb, Alan W. Weimer
… Iron-based magnetic nanoparticles have been produced by decomposition of iron oxalate powder. The micron-sized iron oxalate powder was first ground using a cryogenic … Iron nanoparticles, atomic layer deposition, titanium …

Copper-Substituted Iron Telluride: A Phase Diagram

June 22, 2015
Author(s)
Patrick N. Valdivia, Min Gyu Kim, Thomas R. Forrest, Zhijun Xu, Meng Wang, Hui Wu, Leland Harriger, Edith D. Bourret-Courchesne, Robert J. Birgeneau
… Metal site alloying of the iron chalcogenides is known to give rise to bulk insulating states with no known analogue in the iron arsenide phase diagrams. We have studied the structure, … magnetic, and transport properties of copper substituted iron telluride. Our results extend the range of copper …

Clementite's Elastic Constants

October 16, 2008
Author(s)
Sudook A. Kim, H M. Ledbetter
… elastic constants differ little from those of pure b.c.c. iron and are about ten percent higher for a shear mode such … all previous reports, we find Fe 3 C stiffer than pure α-iron. … carbon, carbon steel, cementite, elastic constants, iron, iron-carbon alloy, pearlite, steel …

The New Beamline 3 at SURF III for Source-Based Radiometry

March 1, 2002
Author(s)
Ping-Shine Shaw, D A. Shear, R Stamilio, Uwe Arp, Howard W. Yoon, Robert D. Saunders, Albert C. Parr, Keith R. Lykke
… The Synchrotron Ultraviolet RAdiation Facility (SURF III) at the National Institute of Standards and Technology … use of the Schwinger's equation. The radiation from SURF III is completely characterized by only three parameters, the … beam current. For radiometry, the calculability of SURF III provides an important standard light source for source …

Lessons learned from FeSb2O4 on stereoactive lone pairs as a design principle for anion insertion

October 20, 2021
Author(s)
Wasif Zaheer, George Agbeworvi, Saul Perez-Beltran, Justin Andrews, Yierpan Aierken, Conan Weiland, Cherno Jaye, Young-Sang Yu, David Shapiro, Sirine Fakra, Daniel A. Fischer, Jinghua Guo, David Prendergrast, Sarbajit Banerjee
… Fluoride-ion batteries are an attractive energy storage … batteries but feature an inverted paradigm where anions (fluoride-ion), and not cations, are the principal charge … but is mediated by critical multi-center synergies between iron and antimony centers across the 1D tunnel structure. The …

Effect of AlN Buffer Layer Properties on the Morphology and Polarity of GaN Nanowires Grown by Molecular Beam Epitaxy

September 8, 2011
Author(s)
Matthew D. Brubaker, Kristine A. Bertness, Norman A. Sanford, Albert Davydov, Igor Levin, Devin M. Rourke, Victor M. Bright
… with size, shape, and tilt determined by the AlN V/III flux ratio. Piezoresponse Force Microscopy and … buffer layers grown using slightly N-rich conditions (V/III flux ratio = 1.0-1.3) were found to provide a favorable … Molecular Beam Epitaxy, Nitrides, Semiconducting III-V Materials …

Manganese(III) Biliverdin IX Dimethyl Ester: A Powerful Catalytic Scavenger of Superoxide Employing the Mn(III)/Mn(IV) Redox Couple

February 1, 2001
Author(s)
I Spasojevic, I Batinic-Haberle, R D. Stevens, P Hambright, A N. Thorpe, J Grodkowski, Pedatsur Neta, I Fridovich
… A manganese(III) complex of biliverdin IX dimethyl ester, Mn III BVDME} 2 was prepared and characterized by elemental … at E 1/2 = + 0.45 V vs NHE. This potential allows the Mn(III)/Mn(IV) couple to efficiently catalyze the dismutation of … Manganese(III) Biliverdin IX Dimethyl Ester: A Powerful Catalytic …

Characterization of UV Detectors at SURF III (invited)

March 1, 2002
Author(s)
Ping-Shine Shaw, Thomas C. Larason, R Gupta, Keith R. Lykke
… The Synchrotron Ultraviolet Radiation Facility (SURF III) at the National Institute of Standards and Technology … photodectors. The absolute measurements at SURF III are based on a high-accuracy liquid-helium cooled … the power of the dispersed radiation from the SURF III through a monochromator. Typical uncertainty for the …

Micro FTIR Mapping of Nanometer Ferroelectric Polymer Films

January 1, 2006
Author(s)
Naomi Eidelman, N Tsutsumi, C. K. Chiang
… mapping technique. The thickness of spin-coated vinyidene fluoride and trifluoroethylene P(VDF-TrFE) copolymer thin … thin films, Trifluoroethylene, vinyidene fluoride …

Large Exotic Spin Torques in Antiferromagnetic Iron Rhodium

August 29, 2022
Author(s)
Jonathan Gibbons, Takaaki Dohi, Vivek Amin, Fei Xue, Haowen Ren, Hanu Arava, Hilal Saglam, Yuzi Liu, John Pearson, Nadya Mason, Amanda Petford-Long, Paul M. Haney, Soho Shim, Jun-wen Xu, Mark Stiles, Eric Fullerton, Andrew Kent, Shunsuke Fukami, Axel Hoffmann
… characterizing the spin torques in antiferromagnetic iron rhodium alloy. We report extremely large, strongly … ordering direction. We find the spin torque efficiency of iron rhodium to be over 300 % at 170 K and over 90 % at room … calculations showing how the antiferromagnetic ordering in iron rhodium gives rise to such exotic torques. …

PVDF-based Backsheet Cracking: Mapping In Situ Phase Evolution by X-ray Scattering

December 15, 2024
Author(s)
Stephanie Moffitt, Sona Ulicna, Song-Syun Jhang, Po-Chang Pan, Michael Owen-Bellini, Peter Hacke, Michael Kempe, Jared Tracy, Kaushik Choudhury, Laura Schelhas, Xiaohong Gu
… commercial photovoltaic (PV) backsheets is polyvinylidene fluoride (PVDF). However, recent reports have shown the … X-ray scattering, photovoltaic backsheets, polyvinylidene fluoride …

Fabrication and Domain Imaging of Iron Magnetic Nanowire Arrays

May 1, 1998
Author(s)
D Tulchinsky, Michael H. Kelley, Jabez J. McClelland, R Gupta, Robert Celotta
… a one-dimensional standing wave, as a shadow mask for an iron evaporator. The deposited iron forms a periodic array consisting of thousands of … Fabrication and Domain Imaging of Iron Magnetic Nanowire Arrays …

Local spin-wave dispersion and damping in thin yttrium-iron-garnet films

March 13, 2018
Author(s)
Rouven Dreyer, Niklas Liebing, Eric R. Edwards, Georg Woltersdorf
… the spin-wave dispersion and spin-wave damping in yttrium-iron-garnet films. With the aid of the inhomogeneous magnetic … spin-wave dispersion, spin-wave damping, yttrium-iron-garnet films, inhomogeneous magnetic field, coplanar … Local spin-wave dispersion and damping in thin yttrium-iron-garnet films …

Novel bulk iron garnets for magneto-optic magnetic field sensing

November 1, 1994
Author(s)
M. N. Deeter, S. Milianbon, Gordon W. Day, G. Diercks, S. Samuelson
… response function and frequency response for three bulk iron garnet crystals grown by a flux technique. The samples were the product of an intensive effort to develop iron garnet compositions with properties specifically … improves performance (compared to unsubstituted yttrium iron garnet) in contrast with gallium, which causes …

Dissipative Kerr Solitons in a III-V Microresonator

June 22, 2020
Author(s)
Gregory T. Moille, Lin Chang, Weiqiang Xie, Ashutosh S. Rao, Xiyuan Lu, Marcelo I. Davanco, John E. Bowers, Kartik A. Srinivasan
… We demonstrate stable microresonator Kerr solitons in a III-V platform through cryogenic quenching of the … Dissipative Kerr Solitons in a III-V Microresonator …

A thermodynamic investigation of the cellulose allomorphs: cellulose(am), cellulose I?(cr), cellulose II(cr), and cellulose III(cr)

November 11, 2014
Author(s)
Robert N. Goldberg, Jacob Schliesser, Ashutosh Mittal, Stephen R. Decker, Ana Filipa L. Santos, Vera L. Freitas, Aaron A. Urbas, Brian E. Lang, Christian Heisse, Maria D. Ribeiro da Silva, Brian F. Woodfield, Rui Katahira, Wei Wang, David K. Johnson
… cellulose, cellulose I, cellulose II, and cellulose III was studied by using oxygen bomb calorimetry, solution … cellulose amorphous, cellulose I, cellulose II, cellulose III, enthalpy, entropy, Gibbs free energy, heat capacity, NMR … cellulose I?(cr), cellulose II(cr), and cellulose III(cr) …

Magneto-optic characterization of iron garnet crystals using photoelastic modulation

April 1, 1993
Author(s)
M. N. Deeter, Paul A. Williams
… Depolarization phenomena in demagnetized bulk iron garnet crystals are investigated with the aid of a … exhibits no measurable depolarization, and bulk yttrium iron garnet, which shows pronounced depolarization in the … Magneto-optic characterization of iron garnet crystals using photoelastic modulation …

Structural Collapse and Superconductivity in Rare-Earth-Doped CaFe 2 As 2

January 13, 2012
Author(s)
S. R. Saha, N. P. Butch, T. Drye, J. Magill, S. Ziemak, K. Kirshenbaum, P. Y. Zavalij, Jeffrey W. Lynn, J. Paglione
… and superconducting properties in the newly discovered iron-based superconducting compounds has been a central theme … temperatures as high as 55 K in oxygen and fluorine-based iron-pnictide materials [3¿6]. Here we present the stunning … , presenting the highest T c in the intermetallic class of iron-based superconductors. The use of aliovalent rare earth …

Domain effects in Faraday effect sensors based on iron garnets

February 1, 1995
Author(s)
M. N. Deeter
… Domain-induced diffraction effects produced by two iron garnet thick films and two bulk crystals are compared. … agreement with a one-dimensional diffraction model. Bulk iron garnet crystals, which exhibited a complex … Domain effects in Faraday effect sensors based on iron garnets …

Flame Inhibition by Ferrocene, Carbon Dioxide, and Trifluoromethane Blends: Synergistic and Antagonistic Effects

October 11, 1999
Author(s)
Gregory T. Linteris, M D. Rumminger
… production of CF3Br has been banned. As a flame inhibitor, iron pentacarbonyl (Fe(CO)5) is about two orders of magnitude … ppm does not further reduce the burning velocity. Tf other iron compounds can be identified which show the same strong … far less toxic than Fe(CO)5, and it may produce the same iron-containing intermediates. Here, we present the first …

Flame Inhibition by Ferrocene, Carbon Dioxide, and Trifluoromethane Blends: Synergistic and Antagonistic Effects (NISTIR 6359)

October 1, 1999
Author(s)
Gregory T. Linteris, M D. Rumminger
… production of CF3Br has been banned. As a flame inhibitor, iron pentacarbonyl (Fe(CO)5) is about two orders of magnitude … ppm does not further reduce the burning velocity. Tf other iron compounds can be identified which show the same strong … far less toxic than Fe(CO)5, and it may produce the same iron-containing intermediates. Here, we present the first …

Atomic Data for Iron-group Elements of Astrophysical Interest

July 11, 2013
Author(s)
Gillian Nave, Craig J. Sansonetti, J C. Pickering, Matthew Ruffoni, Anne P. Thorne, Florence Liggins
… College London to measure spectra of singly-ionized iron-group elements using Fourier transform and … Atomic Data for Iron-group Elements of Astrophysical Interest …
Displaying 101 - 125 of 1455
Was this page helpful?