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 501 - 525 of 3361

Micromechanical torque magnetometer with sub-monolayer sensitivity

October 29, 2004
Author(s)
Dong-Hoon Min, Andrew McCallum, Stephen E. Russek, John M. Moreland
We have developed a micromechanical torque sensor with sub-monolayer sensitivity for in situ monitoring of the magnetic moment of thin films during deposition. The film is deposited onto a microcantilever. The torque on the film is determined by measuring

Coupled magnetic and ferroelectric hysteresis in multiferroic Ni ^ d3 ^ V ^ d2 ^ O ^ d8 ^

August 18, 2009
Author(s)
I. Cabrera, M. Kenzelmann, Wangchun Chen, Ross Erwin, Thomas R. Gentile, Juscelino Leao, Jeffrey W. Lynn, N. Rogado, R. J. Cava, C. Broholm, G. Lawes, Ying Chen
… frustrated multiferroic is demonstrated through polarized magnetic neutron diffraction. Cooling to the cycloidal … Phonons, Multiferroic, Chiral Magnetic Order, Electric Field Control, Polarized Neutron … Coupled magnetic and ferroelectric hysteresis in multiferroic Ni ^ d3 …

Suppressing of Unidirectional Coupling in Magnetic Tunnel Junctions by Preoxidation: Structural Studies

Author(s)
William F. Egelhoff Jr., Robert D. McMichael, Mark D. Stiles, Cedric J. Powell, John E. Bonevich, M Wormington, D S. Eastwood, B K. Tanner
… the unidirectional coupling that is commonly observed in magnetic tunnel junctions. In this paper, we report … magnetic tunnel junctions, pre-oxidation, unidirectional … Suppressing of Unidirectional Coupling in Magnetic Tunnel Junctions by Preoxidation: Structural Studies …

Behavior of the Breathing Pyrochlore Lattice Ba 3 Yb 2 Zn 5 O 11 in Applied Magnetic Field

October 19, 2018
Author(s)
J. G. Rau, L. S. Wu, A. F. May, A. E. Taylor, I-Lin Liu, J. Higgins, Nicholas Butch, K. A. Ross, H. S. Nair, M. D. Lumsden, M. J. P. Gingras, A. D. Christianson
… breathing pyrochlore compounds. Here we study the magnetic field dependent behavior of Ba 3 Yb 2 Zn 5 O 11 at … Pyrochlore Lattice Ba 3 Yb 2 Zn 5 O 11 in Applied Magnetic Field …

Statistical Models for Use of Palaeosol Magnetic Properties as Proxies of Palaeorainfall

October 4, 2013
Author(s)
Barbara Maher, Antonio Possolo
… The magnetic properties of well-drained, near-neutral modern … MAP, averaged over the last 30 years). The pedogenic magnetic susceptibility, for instance, is low under low MAP … calibration of statistical models that enable the use of magnetic properties of paleosols as proxies for …

Design of a breast phantom for quantitative MRI

January 1, 2016
Author(s)
Kathryn E. Keenan, Sheye O. Aliu, Lisa J. Wilmes, David C. Newitt, Ella F. Jones, Wen Li, Michael A. Boss, Nola M. Hylton
Purpose: We present a breast phantom designed to enable quantitative assessment of measurements of T 1 relaxation time, apparent diffusion coefficient (ADC), and other attributes of breast tissue, with long-term support from a national metrology institute

Tailored distribution of single wall carbon nanotube from arc plasma synthesis using magnetic fields

August 13, 2010
Author(s)
Jeffrey A. Fagan, Olga Volotskova, Alexey Shashurin, Michael Keidar, JiYeon Huh, Frederick R. Phelan Jr.
… arc production method via the application of non-uniform magnetic fields to the gap region during synthesis. Raman, … with SEM microscopy. Application of the non-uniform magnetic field (0.2 to 2) kGauss results in a broadening of … SWCNT, SWNT, nanotube, Arc synthesis, magnetic fields …

Vertical Inhomogeneous Magnetic Order in FeRh Film

December 31, 2022
Author(s)
Sehwan Song, Jiwoong Kim, Jisung Lee, Hyegyeong Kim, Noboru Miyata, Neeraj Kumar, Y. Soh, Jae H. Jang, Chanyong Hwang, Brian Kirby, Sungkyun Park
… examined to elucidate the causes. Temperature-dependent magnetic and electrical measurements show that the … Vertical Inhomogeneous Magnetic Order in FeRh Film …

Role of Antiferromagnetic Spin Axis on Magnetic Reconstructions at the (111)-Oriented La 0.7 Sr 0.3 MnO 3 /LaFeO 3 Interface

August 7, 2018
Author(s)
I. Hallsteinsen, Alexander Grutter, M. Moreau, S. D. Sloejes, K. Kjaernes, E. Arenholz, T. Tybell
… between antiferromagnetic spin axis and the occurrence of magnetic reconstructions at the (111)-oriented La 0.7 Sr 0.3 … We report a critical LaFeO 3 thickness where we observe a magnetic interface reconstruction with a net switchable Fe … Role of Antiferromagnetic Spin Axis on Magnetic Reconstructions at the (111)-Oriented La 0.7 Sr 0.3 …

Shape critical properties of patterned Permalloy thin films

December 7, 2015
Author(s)
Robert D. Shull, Y. P. Kabanov, V S. Gornakov, Andrew P. Chen, Valerian I. Nikitenko
The effects of shape and edges in magnetic elements with reduced dimensions on the magnetization reversal of cross- and framed cross- shaped Ni(sub79)Fe(sub21) (30mn) films were studied. Remagnetization details in the stripes of the patterned structures

Extremely Low Frequency Electric and Magnetic Field Measurement Methods

December 1, 1998
Author(s)
Martin Misakian
… studies with extremely low frequency (ELF) electric and magnetic fields were initiated in the U.S. by the Department … of these and many newer studies which have focussed on magnetic field effects are now readily found in the technical … [5]. This paper focuses on the characterization of ELF magnetic and electric fields. Reliable characterization of …

Neural networks three ways: unlocking novel computing schemes using magnetic tunnel junction stochasticity

September 28, 2023
Author(s)
Matthew Daniels, William Borders, Nitin Prasad, Advait Madhavan, Sidra Gibeault, Temitayo Adeyeye, Liam Pocher, Lei Wan, Michael Tran, Jordan Katine, Daniel Lathrop, Brian Hoskins, Tiffany Santos, Patrick Braganca, Mark Stiles, Jabez J. McClelland
… regimes, small size, and industrial fabrication maturity, magnetic tunnel junctions are uniquely suited for unlocking … In this paper, we focus on the stochastic response of magnetic tunnel junctions, illustrating three different ways … Spintronics, neuromorphic computing, magnetic tunnel junction, Ising model, neural networks …

A Flexible High-Current Lead for Use in High-Magnetic-Field Cryogenic Enviroments

February 15, 2000
Author(s)
P Kirkpatrick, John (Jack) W. Ekin, S L. Bray
… lead for use at cryogenic temperatures and in high-magnetic fields has been developed using high purity aluminum. … flexible, high current, high magnetic field, high purity aluminum, RRR, superconductor … A Flexible High-Current Lead for Use in High-Magnetic-Field Cryogenic Enviroments …

Circularly Polarized Light Emission in Scanning Tunneling Microscopy of Magnetic Systems

January 1, 2000
Author(s)
S Apell, David R. Penn, P Johansson
… order 10%. This raises the possibility of constructing a magnetic microscope with very good spatial resolution. We … circularly polarized light, light emission, magnetic substrate, microscopy, scanning tunneling microscope … Light Emission in Scanning Tunneling Microscopy of Magnetic Systems …

Ultrafast Demagnetization Measurements using Extreme Ultraviolet Light: Comparison of Electronic and Magnetic Contributions

January 23, 2012
Author(s)
Thomas J. Silva, Justin M. Shaw, Hans T. Nembach, Margaret M. Murnane, Henry C. Kapteyn, Chan La-O-Vorakiat, Stefan Mathias, Emrah Turgut, Teale A. Carson, Martin Aeschlimann, Claus M. Schneider
… magneto-optical Kerr effect at the M 2,3 edges of a magnetic material purely magnetic or is it perturbed by nonmagnetic artifacts? Our … Kerr measurements at the M 2,3 edges sensitively probe the magnetic state, with almost negligible contributions from the … Extreme Ultraviolet Light: Comparison of Electronic and Magnetic Contributions …

Chiral Properties of the Zero-Field Spiral State and Field-Induced Magnetic Phases of the Itinerant Kagome Metal YMn 6 Sn 6

March 8, 2021
Author(s)
Rebecca Dally, Jeffrey W. Lynn, Nirmal J. Ghimire, Dina Michel, Peter Siegfried, Igor I. Mazin
… Applying a magnetic field in the hexagonal plane of YMn 6 Sn 6 leads to a complex magnetic phase diagram of commensurate and incommensurate … unpolarized neutron diffraction, we report on the solved magnetic structure for two previously identified, but … of the Zero-Field Spiral State and Field-Induced Magnetic Phases of the Itinerant Kagome Metal YMn 6 Sn 6 …

Effects of Stray Magnetic Field on Transition-edge Sensors in Gamma-ray Microcalorimeters

May 19, 2024
Author(s)
Mark Keller, Abigail Wessels, Dan Becker, Douglas Bennett, Matthew Carpenter, Mark Croce, Jozsef Imrek, Johnathon Gard, John Mates, Kelsey Morgan, Nathan Ortiz, Dan Schmidt, Katherine Schreiber, Daniel Swetz, Joel Ullom
… suffer degraded performance if cooled in a magnetic field B sufficient to trap flux in the sensors. We … transition-edge sensor, gamma-ray spectrometer, magnetic shielding, flux trapping … Effects of Stray Magnetic Field on Transition-edge Sensors in Gamma-ray …

Artifacts That Mimic Ballistic Magnetoresistance

February 1, 2005
Author(s)
William F. Egelhoff Jr., L Gan, H Ettedgui, Y Kadmon, Cedric J. Powell, P J. Chen, Alexander J. Shapiro, Robert McMichael, J Mallett, Thomas P. Moffat, Mark D. Stiles, Erik B. Svedberg
We have investigated the circumstances underlying recent reports of very large values of ballistic magntoresistance (BMR) in nanocontacts between magnetic wires. We find that the geometries used are subject to artifacts due to motion of the wires that

Artifacts that mimic ballistic magnetoresistance

January 1, 2004
Author(s)
William F. Egelhoff Jr., L Gan, Erik B. Svedberg, Cedric J. Powell, Alexander J. Shapiro, Robert McMichael, J Mallett, Thomas P. Moffat, Mark D. Stiles
We have investigated the circumstances underlying recent reports of very large values of ballistic magnetoresistance (BMR) in nanocontacts between magnetic wires. We find that the geometries used are subject to artifacts due to motion of the wires that

Activation Volumes of Magnetic Aftereffects: Role of the Chemical Potential in Nanomagnets

January 4, 2006
Author(s)
Edward Della Torre, Lawrence H. Bennett, S Rao, R E. Watson
… based upon the Street and Brown formulation for thermal magnetic aftereffect displayed a strong, albeit nonphysical, … activation volume, Bose-Einstein condensation, magnetic aftereffect, nanomagnet … Activation Volumes of Magnetic Aftereffects: Role of the Chemical Potential in …
Displaying 501 - 525 of 3361
Was this page helpful?