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NIST Authors in Bold

Displaying 626 - 650 of 3361

Mossbauer Study of NaCl-Coated Fe Nanoparticles

January 15, 1998
Author(s)
Alexander J. Shapiro, Robert D. Shull, N Gorshkov, Michael R. Zachariah
The potential use of magnetic nanoparticles as a very efficient refrigerant for magnetic refrigerators at temperatures well above 4.2 K was recently suggested [1,2]. Suitable for this purpose NaCl-coated iron nanoparticles were synthesized in a sodium

Ultrafast perturbation of magnetic domains by optical pumping in a ferromagnetic multilayer

October 19, 2022
Author(s)
Dmitriy Zusin, Ezio E. Iacocca, Loic Le Guyader, Alexander H. Reid, William Schlotter, TianMin Liu, Daniel Higley, Giacomo Coslovich, Scott F. Wandel, Phoebe Tengdin, Sheena K. Patel, Anatoly Shabalin, Nelson Hua, Stjepan Hrkac, Hans Nembach, Justin Shaw, Sergio Montoya, Adam Blonsky, Christian Gentry, Mark Hoefer, Margaret M. Murnane, Henry C. Kapteyn, Eric E. Fullerton, Oleg Shpyrko, Hermann Durr, Thomas J. Silva
… Ultrafast optical pumping of spatially nonuniform magnetic textures is known to induce far-from-equilibrium … multilayers. We detected azimuthally isotropic, odd order, magnetic diffraction rings up to fifth order. The amplitudes … ultrafast optical pumping, spatially nonuniform magnetic textures, far-from-equilibrium, spin transport …

Observation of antiparallel magnetic order in weakly coupled Co/Cu multilayers

May 23, 1998
Author(s)
Julie Borchers, Joseph Dura, John Unguris, D Tulchinsky, Michael H. Kelley, Charles Majkrzak, S. Y. Hsu, R Loloee, W Pratt, J Bass
… with polarization analysis are combined to determine the magnetic structure of Co(6 nm)/Cu(6 nm) multilayers. These … interlayer exchange coupling, magnetic multilayers, polarized neutron reflectivity, … Observation of antiparallel magnetic order in weakly coupled Co/Cu multilayers …

Realization of Ground-State Artificial Skyrmion Lattices at Room Temperature

October 8, 2015
Author(s)
Dustin A. Gilbert, Brian B. Maranville, Andy L. Balk, Brian J. Kirby, Peter Fischer, Daniel T. Pierce, John Unguris, Julie A. Borchers, Kai Liu
The topological nature of magnetic skyrmions deriving from broken symmetries leads to extraordinary static and dynamic properties that provide new insight in fundamental problems of magnetism and exciting potentials for exploitation in novel magnetic

Optimizing Magnetically Shielded Solenoids for Large Volume 3 He Neutron Spin Filters

October 2, 2020
Author(s)
Wangchun Chen, Md. Hassan, Ross Erwin, Shannon M. Watson, Thomas R. Gentile, G. L. Jones
… to the overall size of the cavity. We report a design of a magnetically shielded solenoid that significantly improves … are presented. Whereas our focus is on the development of magnetically shielded solenoids for 3He neutron spin filters, … filter, transverse field gradients, compensation coils, magnetically shielded solenoid …

A Standard System Phantom for Magnetic Resonance Imaging

April 13, 2021
Author(s)
Maureen Ainslie, Michael A. Boss, Cecil Charles, Laurence Clarke, Jeffrey L. Evelhoch, Paul Finn, Derek L. Hill, Kathryn Keenan, Guoying Liu, Karl Stupic, Chun Yuan, Michele Martin, Maureen Ainslie, Nikki Rentz
… Magnetic Resonance in Medicine … A Standard System Phantom for Magnetic Resonance Imaging …

Nanocrystalline and Nanocomposite Magnetic Materials and Their Applications

July 2, 2007
Author(s)
Robert D. Shull
… materials, in addition have been found to possess magnetic properties which are similar to, but different from, the properties of the individual constituents. New magnetic phenomena, unusual property combinations, and both enhanced and diminished magnetic property values are just some of the changes …

Magnetic proximity effect in magnetic-insulator/heavy-metal heterostructures across the compensation temperature

September 1, 2021
Author(s)
Jackson Bauer, Patrick Quarterman, Alexander Grutter, Bharat Khurana, Subhajit Kundu, K. Mkhoyan, Julie A. Borchers, Caroline Ross
… The magnetic proximity effect in Pt and W thin films grown on … (DyIG) is examined at temperatures above and below the magnetic compensation temperature of the ferrimagnetic … Magnetic proximity effect in magnetic-insulator/heavy-metal …

Implementation of a Binary Neural Network on a Passive Array of Magnetic Tunnel Junctions

July 18, 2022
Author(s)
Jonathan Goodwill, Nitin Prasad, Brian Hoskins, Matthew Daniels, Advait Madhavan, Lei Wan, Tiffany Santos, Michael Tran, Jordan Katine, Patrick Braganca, Mark Stiles, Jabez J. McClelland
… leverage low-power and the inherently binary operation of magnetic tunnel junctions (MTJs) to realize the first neural … neural network, magnetic tunnel junction, artificial intelligence, crossbar … of a Binary Neural Network on a Passive Array of Magnetic Tunnel Junctions …

Stationary Antiferromagnetic Domains During Magnetization Reversal in an Exchange-Biased FeMn/Fe76Mn6C18 Bilayer

May 15, 2003
Author(s)
Robert D. Shull, Alexander J. Shapiro, V S. Gornakov, Valerian I. Nikitenko, H W. Zhao
… showed the presence of domains in the FM with the magnetization (M) vectors along the axis of the preparation … hysteresis loop, magnetization reversal, magneto-optic indicator, stationary … Stationary Antiferromagnetic Domains During Magnetization Reversal in an Exchange-Biased FeMn/Fe76Mn6C18 …

Dzyaloshinskii-Moriya Interaction and Spin Re-Orientation Transition in the Frustrated Kagome Lattice Antiferromagnet

June 9, 2011
Author(s)
K. Matan, B. M. Bartlett, Joel Helton, V. Sikolenko, S. Mat'as, K. Prokes, Ying Chen, Jeffrey W. Lynn, D. Grohol, T. J. Sato, M. Tokunaga, D. G. Nocera, Y. S. Lee
Magnetization, specific heat, and neutron scattering measurements were performed to study a magnetic transition in jarosite, a spin-5/2} kagome lattice antiferromagnet. When a magnetic field is applied perpendicular to the kagome plane, magnetizations in

Differentiation between Strain and Charge Mediated Magnetoelectric Coupling in La 0.7 Sr 0.3 MnO 3 /Pb(Mg 1/3 Nb 2/3) d0.7^Ti 0.3 O 3 (001)

June 17, 2020
Author(s)
T. Bhatnagar-Schoffmann, Emmanuel Kentzinger, A. Sarkar, P. Schoffmann, Q. Lan, L. Jin, A. Kovacs, Alexander Grutter, Brian Kirby, R. Beerwerth, M. Waschk, Annika Stellhorn, U. Rucker, R. E. Dunin-Borkowski, Th. Bruckel
Magnetoelectric (ME) coupling in La 0.7Sr 0.3MnO 3/Pb(Mg 1/3Nb 2/3)d0.7^Ti 0.3O 3 (LSMO/PMN-PT (001)) has been probed in the past years to identify the underlying mechanism behind it. PMN-PT, which is well known for its excellent piezoelectric properties

Structural and Magnetic Etch Damage in CoFeB

May 7, 2014
Author(s)
L. Krayer, June W. Lau, Brian Kirby
… of the interfacial properties of think films used in magnetic media is critical for the aggressive component … electron microscopy to characterize the structural and magnetic properties of an ion beam etched interface of a … film. We found that the etching process results in a sharp magnetic interface buried under a nanometer scale layer of …

Spin Reorientation in Antiferromagnetic Layered FePt5P

July 30, 2021
Author(s)
Xin Gui, Madalynn Marshall, Ranuri Dissanayaka Mudiyanselage, Ryan Klein, Qiang Chen, Qiang Zhang, William Shelton, Haidong Zhou, Craig Brown, Huibo Cao, Martha Greenblatt, Weiwei Xie
FePt5P, a new substitutional variant of the CeCoIn5 structure type in space group P4/mmm, was synthesized by high-temperature solid-state method and structurally characterized by X-ray diffraction. FePt5P contains layers of FePt12 clusters formed by

The Permanent Magnet System for NIST-4

July 2, 2012
Author(s)
Stephan Schlamminger
… Guided by these requirements we decided to use a permanent magnet sys-tem to generate the magnetic flux for NIST-4. A brief overview of the permanent magnet system is given. … The Permanent Magnet System for NIST-4 …

Magnetic Phase Diagram of Gd 2 Sn 2 O 7

April 6, 2011
Author(s)
R. S. Freitas, Jason S. Gardner
… We have studied the magnetic phase diagram of the Heisenberg pyrochlore antiferromagnet Gd 2 Sn 2 O 7 . Low temperature magnetic susceptibility measurements, as a function of the applied magnetic fields and temperature, shows the existence of … Magnetic Phase Diagram of Gd 2 Sn 2 O 7 …

The Magnetic Suspension Balance - 40 Years of Advancing Densimetry and Sorption Science Xiaoxian Yang1, Reiner Kleinrahm2, Mark O. McLinden3, Markus Richter1,

November 7, 2023
Author(s)
Xiaoxian Yang, Reiner Kleinrahm, Mark O. McLinden, Markus Richter
… paper reviews the 40-year evolution and application of the magnetic-suspension balance (MSB) and discusses some … issues of the technique. A MSB, as we define it here, is a magnetic-suspension coupling (MSC) connected with an … review, magnetic-suspension balance, densimeter, sorption analyzer …

Spatially resolved ferroelectric domain-switching-controlled magnetism in Co 40 Fe 40 B 20 /Pb(Mg 1/3 Nb 2/3 ) 0.7 Ti 0.3 O 3 multiferroic heterostructure

December 27, 2016
Author(s)
Peisen Li, Yonggang Zhao, Sen Zhang, Aitian Chen, Dalai Li, Jing Ma, Yan Liu, Daniel T. Pierce, John Unguris, Hongguang Piao, Huiyun Zhang, Meihong Zhu, Xiaozhong Zhang, Xiufeng Han, Mengchun Pan, Ce-Wen Nan
… spatial distribution. This FE domain-switching controlled magnetism is significant for understanding the nature of … Electric-field control of magnetism, Ferroelectric domain switching, … resolved ferroelectric domain-switching-controlled magnetism in Co 40 Fe 40 B 20 /Pb(Mg 1/3 Nb 2/3 ) 0.7 Ti 0.3 …

Persistence of Electromagnetic Units in Magnetism

October 31, 2018
Author(s)
Ronald B. Goldfarb
… system of electromagnetic units (EMU) has been used in magnetism since the late 19th century. The International … Persistence of Electromagnetic Units in Magnetism …

Magnetic Order in a-RuCl 3 : A Honeycomb-Lattice Quantum Magnet with Strong Spin-Orbit Coupling

April 24, 2015
Author(s)
J. A. Sears, M. Songvilay, K. W. Plumb, J. P. Clancy, Yiming Qiu, Yang Zhao, Daniel E. Parshall, Young-June Kim
… We report magnetic and thermodynamic properties of single crystal … a honeycomb lattice. Two features are observed in both magnetic susceptibility and specific heat data; a sharp peak … low temperature peak in specific heat is associated with a magnetic order with unit cell doubling along the honeycomb …

Experimental Studies of Surface Magnetism with Polarized Electrons

January 1, 1987
Author(s)
Daniel T. Pierce
… Recent results on chemisorption induced changes in surface magnetism studied by spin polarized inverse photoemission, on … as illustrations of polarized electron studies of surface magnetism. … Experimental Studies of Surface Magnetism with Polarized Electrons …
Displaying 626 - 650 of 3361
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