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 351 - 375 of 3361

Competing Magnetic Phases and Fluctuation-Driven Scalar Spin Chirality in the Kagome Metal YMn 6 Sn 6

December 18, 2020
Author(s)
Nirmal J. Ghimire, Rebecca Dally, L. Poudel, D. C. Jones, D. Michel, N. Thapa Magar
… Identification, understanding, and manipulation of novel magnetic textures is essential for the discovery of new … manifest a large response to external stimuli such as a magnetic field are subject to intense investigation. Here, we … calculations. We identify a number of nontrivial magnetic phases, explain their microscopic nature, and …

Magneto-resistance based first order reversal curve analysis of magnetic tunnel junctions

July 13, 2009
Author(s)
Joshua M. Pomeroy, John Read, Theodore White, Holger Grube, Joseph E. Davies
… reversal curve (FORC) analysis is successfully applied to magnetic tunnel junctions (MTJs) by using the junction … is conventionally applied to magnetization vs. applied magnetic field loops to determine the ensemble properties of many domain magnetic samples ranging from naturally occurring geological …

Magnetic moments in the Poynting theorem, Maxwell equations, Dirac equation, and QED

January 2, 2025
Author(s)
Peter Mohr
… The role of magnetic moments in electrodynamics is examined in this work. … take into account the energetics of interaction of magnetic moments with inhomogeneous magnetic fields. We show how magnetic moment effects are … Poynting theorem, Maxwell equations, Dirac equation, QED, magnetic moment …

Probing Intrinsic Magnetization Dynamics of the Y3Fe5O12/Bi2Te3 Interface at Low Temperature

July 23, 2024
Author(s)
A. R. Will-Cole, Valeria Lauter, Alexander Grutter, Carsten Dubs, David Lidsky, Morris Lindner, Timmy Reimann, Nirjhar Bhattacharjee, Tzu-Ming Lu, Peter Sharma, Nichole Valdez, Charles Pearce, Todd Monson, Matthew Matzelle, Arun Bansil, Don Heiman, Nian Sun
… of spintronics, offering the potential for manipulating magnetization through topological surface state–enabled … we isolate and probe the intrinsic low-temperature magnetization dynamics and transport properties of the TI–MI … Probing Intrinsic Magnetization Dynamics of the Y3Fe5O12/Bi2Te3 Interface at …

Magnetic normal modes of nano-elements

May 15, 2005
Author(s)
Robert McMichael, Mark D. Stiles
… and precession patterns of some of the lowest-frequency magnetic normal modes of submicron patterned elements. For a … eigenfrequencies, magnetic normal modes, nano-elements, submicron patterned … Magnetic normal modes of nano-elements …

High Frequency Measurements of CoFeHfO Thin Films

July 1, 2001
Author(s)
Stephen E. Russek, Pavel Kabos, Thomas J. Silva, Fred B. Mancoff, D Wang, Z. T. Qian, J. M. Daughton
High frequency measurements of the transverse susceptibility and damping constant of CoFeHfo thin films have been made over a frequency range of 0.1 GHz to 6 GHz as a function of film resistivity, thickness, and temperature. The films show relatively low

Magnetic field effects on large area avalanche photodiodes at cryogenic temperatures

August 30, 2011
Author(s)
Thomas R. Gentile, C. D. Bass, Jeffrey S. Nico, H Breuer, R Farrell
… by large area avalanche photodiodes (APDs) in strong magnetic fields and at cryogenic temperatures. Whereas at … temperature we observe significant distortion when the magnetic field is in the plane of the APD surface (and thus … the APD). At all temperatures, effects are minor when the magnetic field is normal to the APD surface (and thus …

Anomalously low magnetic damping of a metallic ferromagnet

May 16, 2016
Author(s)
Justin M. Shaw, Martin Schoen, Danny Thonig, Michael L. Schneider, Thomas J. Silva, Hans T. Nembach, Olle Eriksson, Olof Karis
… The phenomenology of magnetic damping is of critical importance to devices which … damping. Materials with exceptionally low values of magnetic damping are also necessary to push experimental and theoretical understanding of numerous magnetic phenomena such as effects of chiral and Rashba …

Ripening during magnetite nanoparticle synthesis: Resulting interfacial defects and magnetic properties

October 3, 2005
Author(s)
Alexander J. Barker, Brant Cage, Stephen E. Russek, Conrad Stoldt
… The structure and magnetic properties of magnetite (Fe 3 O 4 ) nanoparticles … for intermediate growth times (3 h), and possess a higher magnetic anisotropy (15.8 x 10 4 J/m 3 ) than particles grown … without the additional stabilizing agent. The reduced magnetic anisotropy value for the magnetite nanoparticles …

Magnetic Yoking and Tunable Interactions in FePt-Based Hard/Soft Bilayers

September 8, 2016
Author(s)
Dustin Allen Gilbert, Jung-Wei Liao, Brian J Kirby, Michael Winklhofer, Chih-Huang Lai, Kai Liu
… Assessing and controlling magnetic interactions in magnetic nanostructures are critical to nanomagnetic and spintronic explorations, such as magnetic recording media, permanent magnets, magnetic memory … Magnetic, Interactions, Domain, Thin Film, Multilayer, High …

Spin-transfer dynamics in spin valves with out-of-plane magnetized CoNi free layers

January 29, 2010
Author(s)
William H. Rippard, Alina M. Deac, Matthew R. Pufall, Justin M. Shaw, Mark W. Keller, Stephen E. Russek, Gerrit E. Bauer, Claudio Serpico
… in magnetic nanocontact devices having a perpendicularly magnetized Co/Ni free layer and an in-plane magnetized CoFe fixed layer. The frequencies and powers of … Spin-transfer dynamics in spin valves with out-of-plane magnetized CoNi free layers …

Large Energy Product Enhancement in Perpendicularly Coupled MnBi/CoFe Magnetic Bilayers

August 29, 2016
Author(s)
T. R. Gao, L. Fang, S. Fackler, S. Maruyama, X. H. Zhang, L. L. Wang, T. Rana, P. Manchanda, A. Kashyap, K. Janicka, A. L. Wysocki, A. T. N'Diaye, E. Arenholz, Julie Borchers, Brian Kirby, Brian B. Maranville, K. W. Sun, M. J. Kramer, V. P. Antropov, D. D. Johnson, R. Skomski, J. Cui, I. Takeuchi
… Product Enhancement in Perpendicularly Coupled MnBi/CoFe Magnetic Bilayers …

Current Trends in Magnetic Particle Enrichment for Mass Spectrometry-Based Analysis of Cardiovascular Protein Biomarkers

February 18, 2015
Author(s)
Nicole A. Schneck, Mark S. Lowenthal, Karen W. Phinney, Sang Bok Lee
… Magnetic particles have traditionally been utilized to … proteomic analysis. The application of functionalized magnetic particles for immunocapture is attractive due to … for maximal antibody binding, good recovery, and high magnetic saturation. Magnetic particle enrichment coupled …

Spin Transfer Torque for Continuously Variable Magnetization

February 21, 2006
Author(s)
J Xiao, A Zangwill, Mark D. Stiles
… in a free-electron Stoner model for systems where the magnetization varies continuously in one dimension. Analytic … velocity-dependent field produced by the gradient of the magnetization in the wall. Non-adiabatic effects arise for … adiabatic approximation, Domain wall, ferromagnet, magnetization dynamics, non-uniform magnetization, spin …

Manipulation of Coupling and Magnon Transport in Magnetic Metal-Insulator Hybrid Structures

June 15, 2020
Author(s)
Yabin Fan, Patrick Quarterman, Joseph Finley, Jiahao Han, Pengxiang Zhang, Justin T. Hou, Mark D. Stiles, Alexander Grutter, Luqiao Liu
… Most magnonic structures are based primarily on either magnetic insulators or ferromagnetic metals, while … hybrid structure grown on Si substrate, we studied the magnetic coupling and magnon transmission across the interface of the two magnetic layers. We found that within this structure, Py and …

Magnetic transitions and magnetocaloric effect of Pr(Ga,Ge) compounds

September 1, 2024
Author(s)
Hao Liu, Xinqi Zheng, Hui Wu, Juping Xu, Yawei Gao, Dingsong Wang, Jiawang Xu, Shanshan Zhen, Jiahao Gao, Yang Pan, Guyue Wang, Jingyan Zhang, He Huang, Yanfei Wu, Wen Yin, Shouguo Wang, Baogen Shen
… The effect of Ge substitution for Ga atoms on the magnetic properties and MCE of the resulting Pr(Ga,Ge) … compounds was systematically investigated by the combined magnetic measurements and neutron powder diffraction (NPD) experiments. Two magnetic transitions were identified for PrGa0.9Ge0.1 from …

Electronic Nature of the Lock-in Magnetic Transition in CeXAl 4 Si 2

April 25, 2016
Author(s)
J. Gunasekera, Leland Harriger, A. Dahal, A. Maurya, T.W. Heitmann, Steven M.T. Disseler, A. Thamizhavel, S. Dhar, D. J. Singh, D. K. Singh
… the compound undergoes an incommensurate-to- commensurate magnetic transition at Tc = 9.19 K (10.75 K in Ir). The spin … Electronic Nature of the Lock-in Magnetic Transition in CeXAl 4 Si 2 …

Effect of interactions on edge property measurements in magnetic multilayers

February 25, 2011
Author(s)
Meng Zhu, Robert D. McMichael
… static and dynamic magnetization behavior at film edges in magnetic trilayer stripe arrays under transverse applied fields. The trilayers consist of two magnetic films of Ni80Fe20, 10 nm and 20 nm thick that … identified as excitation of edge modes primarily in one magnetic film or the other. When interlayer exchange is …

Magnetic depth profiling Co/Cu multilayers to investigate magnetoresistance

October 12, 2021
Author(s)
John Unguris, D. Tulchinsky, Michael H. Kelley, Julie Borchers, Joseph Dura, Charles Majkrzak, S. Y. Hsu, R. Loloee, W. P. Pratt, J. Bass
… The magnetic microstructure responsible for the metastable high … and quantitatively depth profile the interlayer magnetic domain correlations. We found that in the … Magnetic depth profiling Co/Cu multilayers to investigate … Magnetic depth profiling Co/Cu multilayers to investigate …

Magnetic resonances in atomic vapor excited by a mechanical resonator

December 1, 2006
Author(s)
Ying-ju Wang, Matt Eardley, Svenja A. Knappe, John Moreland, Leo W. Hollberg, John E. Kitching
… atoms in the gas phase. This coupling, mediated by a magnetic particle attached to the tip of the resonator, … excitation of the atomic spin precession about a static magnetic field. The novel coupled atom-resonator system may … cantilever, magnetic resonance, magnetometer, mechanical oscillator, …
Displaying 351 - 375 of 3361
Was this page helpful?